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Audio Express

Quality Auto Sound

 | Quality Auto Sound | Western United States

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Mono Subwoofer Amps

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S-Series amplifiers are your sound system’s workhorse. With unmatched reliability and budget-friendly prices, these amplifiers are the better choice in performance value.

Alpine® S-Series Mono Power Amplifier

CTA-2006-B Power Rating: 330W RMS x 1 (4ohm, 14.4V = 1% THD+N); 600W RMS x 1 (2ohm, 14.4V = 1% THD+N)

S/N ratio: >85dB (ref: 1W into 4 ohm), >105dB (ref: rated power into 4 ohm)

Remote bass knob compatible (requires RUX-KNOB.2, sold separately)

Perfect for beginners and enthusiasts alike, the S-Series amplifiers have the technology to improve your music experience yet are still friendly on your wallet. Used in conjunction with our advanced S-Series speakers and subwoofers, they create a complete sound system that takes your in-vehicle music experience to the next level.

The S-Series amplifiers are designed to fit anywhere.  Measuring at 8”, these amplifiers can be mounted under seats or behind panels.  Though they sport a compact footprint on the outside, they produce impressive power on the inside. At 600 watts RMS, the S-A60M is a powerful partner to drive the versatile S-Series subwoofers.

The S-Series amplifiers contain technology that was previously only available in our premium line up of amplifiers, the R- and X-Series models. The S-Series models are based on Alpine’s intelligent amplifier platform that ensures superior sound reproduction and precision imaging. With an improved heat sink, and protection circuit design that eliminates thermal shut-down, your music will keep playing no matter where your drive takes you.

The CXA800.1 Mono Amplifier is built for affordable power and performance, thanks to optimized circuit layout and high-grade internal components.

Kicker® CXA800.1 800-Watt Mono Class D Subwoofer Amplifier

This CX-Series Mono Amp is now one-ohm stable, giving you even more power and wiring options for your system! Using a Class-D power plant, the CXA800.1 features a variable bass boost with KickEQ™, giving you as much as a 6dB of extra bump with a simple turn of the optional CXARC Remote Bass Controller. A powerful 12dB crossover and 24dB subsonic filter is included, letting you quickly tune your system to perfection. Use the full-range outputs to expand your system with other bass amps, or a full-range amp to complete your system.

CX-Series Amplifiers accept up to 40 volts (400 watts) of speaker-level input signal. This kind of flexibility both makes line-out converters unnecessary and optimizes your sound quality at the same time!

Expand your system with full-range, RCA pass-through outputs, then choose a “standard” mount or a cool vertical mount with the included hardware.

This CX.1 amplifier delivers as much as 800 watts into one bass channel. See below for more details.

Three-second turn-on/off delay to eliminate unwanted interference

Variable 12dB crossovers provides control to dial in perfect sound

KickEQ™ 6dB variable bass boost for those additional low frequencies

24dB subsonic filter for protection from potentially damaging frequencies

FIT+™ (Fail-safe Integration Technology-PLUS) means it works with nearly every radio

Compatible with CXARC Remote Bass Control

Vertical mounting hardware included for another unique look

Infinity Primus Amps are available in a variety of configurations, delivering the right power and number of channels for full-range and subwoofer applications.

Infinity® Primus Mono Amplifier

Infinity Primus Amps are available in a variety of configurations, delivering the right power and number of channels for full-range and subwoofer applications. For more than four decades, Infinity has made the audio experience a lot more satisfying for the car audio enthusiast. With a broad array of loudspeakers, amplifiers and subwooers available, you can drive with ease and exhilaration. These compact amps are equipped with all the important inputs and user controls including a bass EQ as well as LPF and HPF crossover controls for tailoring sound to suit the characteristics of different vehicles. The Primus Amps are easily installed and amazingly reliable - and once they turn on, they'll make a transducer sit up and sing.

Primus amplifier provides true Infinity performance at an affordable price while now lacking the features needed to properely tune and optimize performance.

With it becoming more and more difficult to find spacious locations for amplifier mounting, Primus has been developed in a small compact form factor to allow more location versatility.

Primus amplifier has on-board circuitry to protect them from shorts, temperature, overvoltage and undervoltage. An LED indicator is inlcuded on all four models to let you know when one of these conditions exists.

Infinity is one of the best selling car audio brands in the world. This is not a coincidence given the arduous testing and quality control. We take our craft seriously and want every consumer to have a world class experience that lasts and lasts.

An input level control adjusts input sensitivity. When low level inputs are used, this control can adjust the input between 200mVrms and 5.0Vrms. When high level inputs are used, the control adjusts the input between 0.5Vrms and 15Vrms. This allows Primus amps to be conntected to virtually any factory system or serve as the foundation for a trophy-winning aftermarket competition system.

This provides an available bass boost at 45Hz of 6dB or 12dB, serving as a great tool to optimize subwoofer and loudspeaker performance based on location and enclosure type.

Black with grooved center panel, polished badge, black painted end panels and bottom.

LPF crossover controls is switchable between 0dB to 12dB at 45 Hz giving user ability to adjust sound to the environment and/or application.

Crossover control gives user additional fine tuning

Adjusts the crossover turnover frequency between 32Hz and 320Hz. (One knob for each stereo pair.)

Spare Fuse (x2 for 1-channel and 4-channel model)

High-level input cable (x2 for 4-channel model).

Reference 10001A mono subwoofer amplifier delivers a blistering 1,000-Watts RMS using Class D amplifier topology to ensure cool running and minimal current draw. Speaker-level inputs allow this amplifier to integrate into almost any system, even one using

Infinity® Mono Subwoofer Amplifier

Reference 10001A mono subwoofer amplifier delivers a blistering 1,000-Watts RMS using Class D amplifier topology to ensure cool running and minimal current draw. Speaker-level inputs allow this amplifier to integrate into almost any system, even one using your car's factory radio — and Infinity includes RCA-to-speaker wire adapters so you'll make the right connections. You can use the low-pass filter and variable bass boost to maximize the performance of your subwoofer and enclosure, while a phase switch ensures that the bass will blend well with your full-range speakers.

The Infinity Reference 10001A amplifier features a low-profile chassis and a small overall footprint to fit in more vehicles where available space is limited.

Speaker-level and low-level inputs allow the Reference 10001A to integrate with both aftermarket and factory car stereo systems.

Unlike many amplifiers available at similar prices, the Reference 10001A features variable electronic crossovers and bass boost circuits allowing for precise system tuning and performance.

The Reference 10001A has been engineered using Balanced Differential Inputs to ensure low noise and distortion even at high output levels. This also makes it far less susceptible to line induced radiated engine noise.

When low-level inputs are used, this control adjusts the input sensitivity between 200mVrms and 2.0 Vrms. When high-level inputs are used, this control adjusts the input sensitivity between 2Vrms and 20Vrms.

On-board circuitry protects the Reference 10001A from shorts, high-temperature, overvoltage and undervoltage. An LED indicator is provided to let you know when one of these conditions exists.

This switch changes the input phase to inverted or noninverted.

The RBC wired remote is an easy installation and can be mounted for convenient volume adjustment from driver's seat.

Reference 10001A mono subwoofer amplifier delivers a blistering 1,000-Watts RMS using Class D amplifier topology to ensure cool running and minimal current draw. Speaker-level inputs allow this amplifier to integrate into almost any system, even one using your car's factory radio — and Infinity includes RCA-to-speaker wire adapters so you'll make the right connections.

The new entry into the HELIX world! The amplifiers of the D series are solely modest with respect to pricing. Everything else is thoroughly pure HELIX quality without any compromises. Loads of power, excellent measurement data and a whole bunch of feature

Helix Black 1 Channel Car Amplifier 

Absolutely nothing has been missed for powerful bass reproduction - the active crossover with subsonic filter, the lowpass filter, phase control and bass boost are equally as self-evident as the intelligent high-level input that incorporates Audiotec Fischer´s proprietary ADEP circuit. Not to mention the cable remote control for volume that is included in delivery. Thanks to its 1-Ohm stability the D ONE is every else but choosy when selecting an appropriate subwoofer. If you still think that the power output isn't sufficient, then simply combine two devices to one single powerhouse - the TwinPower Link makes it possible. The elegant design not only states right from the beginning the amp's heritage but also allows an easy integration into your car thanks to its compact dimensions. Get your car "bass-tuned" and simply have fun!

Start-Stop capability down to 6V supply voltage

Small footprint Class D amplifier with high output power of 600 Watts RMS @ 1 Ohm for easiest combination with all 2 x 2 Ohms subwoofers connected in parallel

Smart high level input with ADEP circuit (Advanced Diagnostics Error Protection) and Auto Turn-On function

Integrated, active crossover with lowpass, bass boost, subsonic and phase control

Extremely stable output stage with high-current power transistors and 1 Ohm stability

Bass remote control for volume adjustment

SMD (Surface Mounted Device) manufacturing technology combines minimum space requirement with maximum reliability

Exclusive, extremely compact and clean design with illuminated HELIX-logo and low heat dissipation thanks to extraordinary efficiency

The latest generation of OE car radios incorporates sophisticated possibilities of diagnosing the connected speakers. If a common amplifier will be hooked up failure messages and loss of specific features (e.g. fader function) quite often appear - but not with the M ONE. The new ADEP circuit (Advanced Diagnostics Error Protection) avoids all these problems without loading the speaker outputs of the OE radio during high volumes unnecessarily

The switched power supply of the HELIX M ONE assures operation even if the battery’s voltage drops down to 6 Volts during engine crank.

The new entry into the HELIX world! The amplifiers of the D series are solely modest with respect to pricing. Everything else is thoroughly pure HELIX quality without any compromises. Loads of power, excellent measurement data and a whole bunch of features ensure a pristine and crispy sound experience!

MODEL 4000W High Output MONOBLOCK Amplifier. Up to 3000 W X 1 RMS @ 1 ohm. Up to 1500 W X 1 RMS @ 2 ohm. Up to 750 W X 1 RMS @ 4 ohm. Up to 6000 W X 1 RMS Strapped Bridged Power @ 2 ohm.

BOSS® Audio Systems Elite MODEL 4000W High Output Monoblock

MODEL 4000W High Output MONOBLOCK Amplifier

Up to 6000 W X 1 RMS Strapped Bridged Power @ 2 ohm

Variable Low Pass Crossover, Variable Bass Boost and Variable Subsonic Filter

Illuminated End Panel Strips 5 Years Elite Warranty

The lowest impedance accepted by this amplifier is 1 ohm. Amplifiers that are 1 ohm stable produce the most power possible from the amp. An amplifier capable of delivering power at a 1 ohm load is usually reserved for serious subwoofers that can handle the power. Please note this particular amp needs a healthy electrical system including a low gauge wire capable of delivering the necessary current.

Class D is a high speed switching amplifier technology that is more efficient, generates less heat and draws less power than traditional Class A/B amps. We use Class D in our monoblock amplifiers to give you massive amounts of power in a relatively small footprint for clean, powerful, bass.

The end panels of this Rage Series amp has Blue Illuminated light strips that glow when the amp is turned on.

The phase control feature allows you to adjust the speakers phase to ensure all audio signals are playing together rather than against each other. When bass notes are noticeably absent, a quick and easy adjustment to the phase control could provide the perfect remedy.

If the amplifier gets too hot, the thermal protection circuit turns the amp off and allows the amp to cool down before turning it back on. If a speaker fails causing an electrical short, the protection circuit will automatically cut the output and remain in that state until the short is resolved. These safety features give you peace of mind knowing the amplifier is constantly monitoring conditions to protect itself.

Strapping capability means that two amplifiers can be linked together to create double the power at an impedance of 2 ohms. A benefit of strapping is less electrical current is required than if you ran [2] individual amps at 1 ohm and you only need 1 pair of preamp outputs and [1] RCA cable to connect.

A subsonic filter is designed for use on subwoofers. Since not all subwoofers can reproduce the same low frequencies, the subsonic filter can be set for optimum bass response in order to keep the driver playing efficiently.

The ability to boost or attenuate the sub level when an amp and subwoofer are connected to the subwoofer pre-amp output.

Switchable Input Sensitivity gives you the freedom to connect the amp to any standard source unit and have peace of mind it will be within range to properly match the output of the source unit allowing you to use the volume controls on your source unit the way it was designed.

Variable Bass Boost allows you to adjust the low bass within the boost range to just the way you like it.

Variable Gain Control lets you balance the amps output with the speakers or subs the amp is driving. To much gain will lead to distortion and to little will lead to clipping.

Variable low-pass filter gives you control over the frequencies that pass through to the subwoofer.

Elite Model 2500W high output monoblock Class A/B amplifier features up to 1875 W X 1 RMS @ 2 ohm and up to 938 W X 1 RMS @ 4 ohm.

BOSS® Audio Systems Elite Model 2500W High Output Monoblock

Monoblock, Class A/B, MOSFET Power Supply

Variable Low Pass Crossover, Switchable Bass Boost

The lowest impedance accepted by this amplifier is 2 ohms. Amplifiers that are 2 ohms stable produce more power resulting in more volume. This amp can comfortably power speakers or subwoofers with all channel(s) being used at a load of 2 ohms.

Class A/B amplifiers have long been known for their ability to produce great quality sound while performing more efficiently than pure Class A amplifiers. We have developed a specific linear circuitry that further reduces distortion while increasing both sound quality and power output.

An amplifier with both high-level and low-level inputs provides flexibility by allowing you to build an audio system using virtually any standard factory or aftermarket source unit. High-level (speaker level) inputs accept the signal from the speakers, while low-level (RCA) inputs accept the signal from the pre-amp outputs of the source unit.

MOSFET stands for Metal Oxide Semiconductor Field-Effect Transistor. MOSFETs are used either as a switch or to amplify a signal. MOSFETs are superior to other FETs, because they require less current to operate, which makes them better suited for car audio.

Switchable Bass Boost allows you to boost the low bass +18db.

Variable Gain Control lets you balance the amps output with the speakers or subs the amp is driving. Too much gain will lead to distortion and too little will lead to clipping.

Elite MODEL 1500W High Output Monoblock, Class A/B

BOSS BE15001 Monoblock Amplifiers

MODEL 1500W High Output MONOBLOCK Amplifier Up to 1125 W X 1 RMS @ 2 ohm Up to 563 W X 1 RMS @ 4 ohm Monoblock, Class A/B, MOSFET Power Supply High and Low Level Inputs, Variable Low Pass Crossover, Switchable Bass Boost Include Remote Subwoofer Control

The KEY500.1 is a smart subwoofer amplifier and audio processor in one, featuring an AI-driven DSP (digital signal processing).

Kicker® KEY500.1 Smart Mono Amplifier

Using KICKER’s supplied test tones (below), the KEY automatically analyzes the audio being fed into the amplifier. Once this signal has been analyzed, the amp will automatically fix peaks in the signal coming in and restore the low bass that is typically missing. In a matter of moments, you get a clean, even bass response from your amp!

Craft your sound with ease! The KEY500.1 comes with 24dB sub-sonic and low-pass crossovers, bass boost and gain controls.

Measuring about eight inches long and less than two inches high, the KEY500.1 fits nearly anywhere. Mount it behind your glove box, under the seat, or in your trunk with ease.

The amplifier also features FIT 2+™ (Fail-safe Integration Technology 2 PLUS) – which provides nearly universal compatibility with stock or aftermarket radios. Another industry first, the KEY500.1 is uniquely suited to accept factory input signals as high as 40 volts (400 watts). The KEY amplifier will work with almost every car on the road today, whether you have a factory or aftermarket audio system.

While we suggest this list for the ultimate bass experience, KEY500.1 will actually work with all KICKER subwoofers up to 12 inches; see your sales associate for the ideal subwoofer in your particular system, because every system is unique.

CX-Series amps reach massive power levels thanks to an optimized circuit layout and the highest-grade internal components. Highly efficient heat sinks keep the amp cool with a sophisticated look. Mono amps offer an optional remote level control to adjust 

Kicker® CXA1800.1 1800-Watt Mono Class D Subwoofer Amplifier

CX-Series Mono Amps are now one-ohm stable, giving you even more power and wiring options for your system! Using efficient Class-D power, the CXA1800.1 features a variable bass boost with KickEQ™, giving you as much as a 6dB of extra bump with a simple turn of the optional CXARC Remote Bass Controller. A powerful 12dB crossover and 24dB subsonic filter is included, letting you quickly tune your system to perfection. Use the full-range outputs to expand your system with other bass amps, or a full-range amp to complete your system.

CX.1 Amplifiers accept up to 40 volts (400 watts) of speaker-level input signal. This kind of flexibility both makes line-out converters unnecessary and optimizes your sound quality at the same time!

CX.1 Amps deliver as much as 1800 watts into one bass channel. See below for more details.

CX-Series amps reach massive power levels thanks to an optimized circuit layout and the highest-grade internal components. Highly efficient heat sinks keep the amp cool with a sophisticated look. Mono amps offer an optional remote level control to adjust your bass right from the dash.

The CXA1200.1 Mono Amplifier is built for affordable power and performance, thanks to an optimized circuit layout and the high-grade internal components.

Kicker® CXA1200.1 1200-Watt Mono Class D Subwoofer Amplifier

This mono CX-Series Amp is now one-ohm stable, giving you even more wiring options for your system! Using a Class-D power plant, the CXA1200.1 features a variable bass boost with KickEQ™, giving you as much as a 6dB of extra bump with a simple turn of the optional CXARC Remote Bass Controller. A powerful 12dB crossover and 24dB subsonic filter is included, letting you quickly tune your system to perfection.

Use the full-range outputs to expand your system with other bass amps, or add a full-range amp to complete your system.

This CX.1 Amplifier delivers as much as 1,200 watts into one bass channel. See below for more details.

Kicker® CXA400.1 400-Watt Mono Class D Subwoofer Amplifier

CX-Series Mono Amps are now one-ohm stable, giving you even more power and wiring options for your system! Using efficient Class-D power, the CXA400.1 features a variable bass boost with KickEQ™, giving you as much as a 6dB of extra bump with a simple turn of the optional CXARC Remote Bass Controller. A powerful 12dB crossover and 24dB subsonic filter is included, letting you quickly tune your system to perfection. Use the full-range outputs to expand your system with other bass amps, or a full-range amp to complete your system.

CX.1 Amps deliver as much as 400 watts into one bass channel. See below for more details.

The JBL Club A1000 mono subwoofer amplifier delivers 1000-Watts RMS using a Class D amplifier design to ensure high output and minimum current draw. Speaker-level inputs allow this amplifier to integrate into almost any system, even one using your car's f

JBL® Black Mono Subwoofer Car Amplifier

The JBL Club A1000 amplifier features a low-profile chassis and a small overall footprint to fit in more vehicles where available space is limited.

Speaker-level and low-level inputs allow the Club A1000 to integrate with both aftermarket and factory car stereo systems.

Unlike many amplifiers available at similar prices, the JBL Club A1000 features variable electronic crossovers and bass boost circuits allowing for precise system tuning and performance.

The Club A1000 has been engineered using Balanced Differential Inputs to ensure low noise and distortion even at high output levels. This also makes it far less susceptible to line induced radiated engine noise.

On-board circuitry protects the Club A1000 from shorts, high-temperature, overvoltage and undervoltage. An LED indicator is provided to let you know when one of these conditions exists.

This switch changes the input phase to inverted or non-inverted. This is especially helpful as part of system tuning based on the enclosure type and location in the vehicle.

The RBC wired remote is an easy installation and can be mounted for convenient volume adjustment from driver’s seat.

The JBL Club A1000 mono subwoofer amplifier delivers 1000-Watts RMS using a Class D amplifier design to ensure high output and minimum current draw.

This switch changes DC to REM to adapt with low-level signals or high-level signals, this is especially helpful as part of remote turn-on lead of your installation more choice. A selectable “Turn-on mode” can protect battery to avoid current drain, when you don’t expect turn on your amplifier

Strappable for up to 2,000 watts of power at 4 ohms

Enable to strap two Club A1000 together to double your power, the Primary amp will be in absolute control of Secondary in terms of the crossover points, the gain and remote level control.

The JBL Club A1000 mono subwoofer amplifier delivers 1000-Watts RMS using a Class D amplifier design to ensure high output and minimum current draw. Speaker-level inputs allow this amplifier to integrate into almost any system, even one using your car's factory radio. You can use the low-pass filter and variable bass boost to maximize the performance of your subwoofer and enclosure, while a phase switch ensures that the bass will blend well with your full-range speakers. 

Kenwood's Excelon X502-1 mono subwoofer amplifier can send up to 500 watts RMS to your subwoofer, and it'll fit almost anywhere in your vehicle.

Kenwood Class D Mono Power Amplifier

Size (inch) (W) 8-3/8" x (H) 2-1/16" x (D) 5-7/8"

Prevents magnetic flux from radiating from the subwoofer's coil, resulting in reduced noise and enhanced sound quality.

Detachable sliding terminal cover offers a sleek design and easier installation.

All terminals and connections are on one side for easier installation and a cleaner look.

Speaker Level Input Harness is included to connect to speaker wires from factory installed receivers.

The optional KCA-RC01A wired remote level control allows you to easily adjust the subwoofer volume.

Kenwood's Excelon Reference Series XR601-1 mono amplifier can power your subwoofer with up to 600 watts RMS.

Special capacitors and inductors have been carefully selected for the digital amplifier’s LC filter, which is essential for achieving highresolution audio. These high-performance parts reduce noise and distortion and ensure excellent sound quality.

By using a down-firing subwoofer and superior technologies, the audio system generates high-quality sound and powerful bass, while still being compact.

The feedback value of the current XR Amplifier has been optimized to improve the S/N ratio. As a result, the noise level has been reduced by up to 40%.

The noise reduction system employs a special layout that separates the analog circuit, digital amplifier circuit and power supply circuit. This keeps interference between the circuits to a minimum, decreasing noise and thereby achieving high performance and sound quality.

The wired remote control allows you to adjust the volume of a subwoofer when connected to the head unit.

Operating Voltage: 14.4V (11 - 16 V allowable)

Dimensions (W x H x D): 220 x 35 x 169 mm (8-11/16 x 1-3/8 x 6-5/8)

Purpose-built for subwoofer applications, the RD1000/1 monoblock amplifier delivers 1000 watts of jaw-dropping bass output into 2 ohms (14.4V, 1% THD). At the heart of this ultra-sleek and compact power plant is JL Audio’s exclusive NexD™ Class D technolo

JL Audio® Monoblock Class D Subwoofer Amplifier

Monoblock Class D Subwoofer Amplifier, 1000 W x 1 @ 2 O / 600 W x 1 @ 4 O - 14.4V

Purpose-built for subwoofer applications, the RD1000/1 monoblock amplifier delivers 1000 watts of jaw-dropping bass output into 2 ohms (14.4V, 1% THD). At the heart of this ultra-sleek and compact power plant is JL Audio’s exclusive NexD™ Class D technology, permitting high power output with exceptional efficiency and low distortion.

For your convenience, all of the RD1000/1’s controls are located on top of the amplifier, beneath a protective cover, with all connections found along one side of its chassis. Signal processing features include a 12 dB / octave low-pass filter, with continuously variable frequency selection from 50-500 Hz, and a variable bass boost EQ. Dual-range, differential-balance inputs are also onboard, capable of accepting most input voltage levels. Automatic turn-on capability (via signal sensing or DC-offset sensing) is standard, along with a set of preamp outputs so you can easily pass signals to another amplifier.

The RD1000/1 is also equipped with an onboard LED-clipping indicator. This all-new, innovative feature lets you easily set your amplifier’s input sensitivity setting, quickly and accurately, with no special equipment needed. The RD1000/1 features a durable, black powder-coated finish and a top-mounted, dual-color LED light strip that reports the overall status and condition. Control of the subwoofer level from the driver’s seat is easily accomplished with the addition of the optional RBC-1 remote level control (sold separately).

Frequency Response: 7 Hz - 500 Hz (+0, -1dB)

S/N Ratio, referred to highest rated power: >80 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)

S/N Ratio, referred to 1 W: >50 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)

Born to produce a whopping 500 watts into 2 ohms (14.4V, 1% THD), the RD500/1 amplifier was engineered to generate tons of pure subwoofer bliss from a sleek, ultra-compact chassis. The secret behind its power proficiency is our proprietary NexD™ switching

Monoblock Class D Subwoofer Amplifier, 500 W x 1 @ 2 O / 250 W x 1 @ 4 O - 14.4V

Born to produce a whopping 500 watts into 2 ohms (14.4V, 1% THD), the RD500/1 amplifier was engineered to generate tons of pure subwoofer bliss from a sleek, ultra-compact chassis. The secret behind its power proficiency is our proprietary NexD™ switching technology, which delivers large amounts of power output with precise efficiency and ultra-low distortion.

For your convenience, the RD500/1’s controls are located on top of the amplifier, beneath a protective cover, with all connections found along one side of its chassis. Signal processing features include a 12 dB / octave low-pass filter, with continuously variable frequency selection from 50-500 Hz, and a variable bass boost EQ. Dual-range, differential-balanced inputs are also on-hand, capable of accepting most input voltage levels. Automatic turn-on capability (via signal sensing or DC-offset sensing) is standard, along with a set of preamp outputs so you can easily pass signals to another amplifier.

The RD500/1 is also equipped with an onboard LED-clipping indicator. This all-new, innovative feature lets you easily set your amplifier’s input sensitivity setting, quickly and accurately, with no special equipment needed. The RD500/1 features a durable, black powder-coated finish and a top-mounted, dual-color LED light strip that reports the overall status and condition. With the addition of an RBC-1 remote level control (sold separately), you can control the subwoofer output directly from the driver’s seat.

S/N Ratio, referred to 1 W: >60 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)

This potent monoblock amplifier employs our high-speed NexD™ switching design to achieve unprecedented efficiency and amazing power output in a very compact chassis. Don't let the small size fool you, though... this amplifier is capable of serious subwoof

Monoblock Class D Subwoofer Amplifier, 600 W x 1 @ 2 O / 400 W x 1 @ 4 O - 14.4V

This potent monoblock amplifier employs our high-speed NexD™ switching design to achieve unprecedented efficiency and amazing power output in a very compact chassis. Don't let the small size fool you, though... this amplifier is capable of serious subwoofer power, delivering a full 600 W of continuous power into a 2 ohm load (14.4V, 1% THD).

Targeted specifically for subwoofer applications, the XD600/1v2 includes a variable slope low-pass filter with continuously variable cutoff frequency selection from 50-500 Hz.

The XD600/1v2 also features the v2 Spec feature set, which consists of automatic turn-on capability (via signal sensing or DC-offset sensing), and a dual-range differential-balanced input section able to handle a wide range of input voltage levels. With the addition of an HD-RLC remote level control (sold separately), the amplifier's level can be directly controlled from the driver's seat.

This amplifier features a black powder-coat finish and a gasketed, brushed aluminum cover for the controls.

S/N Ratio, referred to highest rated power: >87 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)

S/N Ratio, referred to 1 W: >67 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)

This potent monoblock subwoofer amplifier employs our high-speed NexD™ switching design to achieve unprecedented efficiency and amazing power output in a very compact chassis. The XD1000/1v2 is capable of delivering 1000 W of continuous power into a 2 ohm

JL Audio® Class D Monoblock Subwoofer Amplifier

This potent monoblock subwoofer amplifier employs our high-speed NexD™ switching design to achieve unprecedented efficiency and amazing power output in a very compact chassis. The XD1000/1v2 is capable of delivering 1000 W of continuous power into a 2 ohm load (14.4V, 1% THD), making it a great choice to drive higher power subwoofer systems.

Designed specifically for subwoofer applications, the XD1000/1 includes a variable slope low-pass filter with continuously variable cutoff frequency selection from 50-500 Hz and a defeatable infrasonic filter (30 Hz, 24 dB/oct.). The XD1000/1v2 also features the v2 Spec feature set, which consists of automatic turn-on capability (via signal sensing or DC-offset sensing), and a dual-range differential-balanced input section able to handle a wide range of input voltage levels. With the addition of an HD-RLC remote level control (sold separately), the amplifier's level can be directly controlled from the driver's seat.

At the heart of this ultra-sleek and compact power plant is JL Audio’s exclusive NexD™ Class D technology, permitting high power output with exceptional efficiency and low distortion.

JL Audio® 1500 W Monoblock Class D Subwoofer Amplifier

Monoblock Class D Subwoofer Amplifier, 1500 W x 1 @ 1 - 2 O / 750 W x 1 @ 4 O - 14.4V

Engineered for high-power, subwoofer applications, the RD1500/1 monoblock amplifier is built to deliver staggering amounts of world-class bass output. Equipped with a special low impedance circuit, the RD1500/1 is capable of generating a whopping 1500 watts of output power, at either 1 or 2 ohms (14.4V, 1% THD). At the heart of this ultra-sleek and compact power plant is JL Audio’s exclusive NexD™ Class D technology, permitting high power output with exceptional efficiency and low distortion.

For your convenience, all of the RD1500/1’s controls are located on top of the amplifier, beneath a protective cover, with all connections found along one side of its chassis. Signal processing features include a 12 dB / octave low-pass filter, with continuously variable frequency selection from 50-500 Hz, and a variable bass boost EQ. Dual-range, differential-balance inputs are also onboard, capable of accepting most input voltage levels. Automatic turn-on capability (via signal sensing or DC-offset sensing) is standard, along with a set of preamp outputs so you can easily pass signals to another amplifier.

The RD1500/1 is also equipped with an onboard LED-clipping indicator. This all-new, innovative feature lets you easily set your amplifier’s input sensitivity setting, quickly and accurately, with no special equipment needed. The RD1500/1 features a durable, black powder-coated finish and a top-mounted, dual-color LED light strip that reports the overall status and condition. Control of the subwoofer level from the driver’s seat is easily accomplished with the addition of the optional RBC-1 remote level control (sold separately).

Min.Copper Power / Ground Wire Gauge: 2 AWG wire

Our most powerful HD amplifier employs our advanced Single-Cycle Control switching design and R.I.P.S. technology to deliver 1200 W of clean power into any impedance between 1.5 and 4 O, giving you the highest degree of flexibility in designing your subwo

JL Audio® 1200 W Monoblock Class D Wide-Range Amplifier

Monoblock Class D Wide-Range Amplifier, 1200 W x 1 @ 1.5-4 O

Our most powerful HD amplifier employs our advanced Single-Cycle Control switching design and R.I.P.S. technology to deliver 1200 W of clean power into any impedance between 1.5 and 4 O, giving you the highest degree of flexibility in designing your subwoofer system. Tight power supply regulation keeps distortion down and maximizes your bass quality. From a pure sound quality perspective, we invite you to compare the real-world, in-car performance of this amplifier to any other amplifier on the market, of any type, at any price.

While targeted primarily to subwoofer applications, the HD1200/1 is a wide-range amplifier and can also be used to drive high-performance mid-range speaker systems.

This amplifier features a brushed aluminum finish with black powder-coated cast alloy heat sinks and bottom panel. A black powder-coated, gasketed cover is also provided to protect the controls.

Frequency Response: 6 Hz - 8 kHz (+0, -1dB)

S/N Ratio, referred to 1 W (Main Channels): >79 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)

Our most powerful HD amplifier employs our advanced Single-Cycle Control switching design and R.I.P.S. technology to deliver 1200 W of clean power into any impedance between 1.5 and 4 O, giving you the highest degree of flexibility in designing your subwoofer system.

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