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JL Audio

JL Audio® Dual 8W3v3 MicroSub+™ Subwoofer System

Model #: ACP208LG-W3v3

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Additional Parts May Be Required:
Additional parts or labor may be required to complete the installation depending on year make and model

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Professional Installation Required

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With MicroSub+™ systems, the power is built right into the subwoofer system. Housing a proprietary Class D amplifier, this incredible subwoofer system utilizes our exclusive DCD™ amplifier technology to extract maximum output from its specially engineered, ultra low-impedance W3v3 drivers.




By combining direct power conversion with an ultra-high current output section, DCD™ amplifiers are free of conventional switching power supplies, enabling them to generate remarkable power with unprecedented efficiency.

Key to the enclosure’s performance is its efficient slot-ported design and precise tuning of its dual 8Wv3 subwoofer drivers, each in its separate airspace. Extensive interior bracing permits the use of thinner wall material that maximizes the enclosure’s internal volume relative to its exterior volume. The port for each driver wraps around two walls of the enclosure to produce the necessary low tuning frequency that ensures excellent extension and response smoothness. The two flared port entries/exits, one on each end of the enclosure, further enhance sound quality by minimizing air-flow noises through each port.

Integration to OEM and aftermarket head units is a snap thanks to a variety of input options and automatic turn-on capability (via signal sensing or DC offset sensing). Also included is a variable frequency low-pass filter (50-200 Hz), along with output polarity control switch. Adding an optional RBC-1 remote level control (sold separately) lets you control subwoofer levels directly from the driver’s seat. A quick-disconnect power connector makes it easy to remove the subwoofer when you need the extra space. As with all MicroSub™ systems, these amplified versions produce the kind of output and extension normally associated with much larger systems.

Note: DCD™ amplified systems use very specific components. Never use a DCD™ amplifier or its companion subwoofer(s) with incompatible, non-DCD™ products. Doing so will void the warranty and may cause severe damage.

Finish: Black, high-grade automotive carpet with silver “JL AUDIO” embroidery on front baffle. Steel mesh grilles are included to protect the subwoofer drivers.

Construction: CNC-Cut High-Grade MDF

Amplifier power: Built-in DCD™ Class D amplifier (500 W @ 0.20 O)

Enclosure and Subwoofers Built in USA with global components.

Continuous Power Handling (RMS): Built-in amplifier 500 W @ 0.20 O

System Nominal Impedance: 0.20 O

Input Voltage Range @ RCA Inputs: 70 mV – 1.40 V RMS

Input Voltage Range @ High-Level Inputs: 280 mV – 5.4 V RMS

Recommended Copper Power / Ground Wire Gauge: 8 AWG wire

Fuse Rating: 30 A (ATO or ATC)

Enclosure Type: Slot-ported, Low-profile

Finish: Black carpet

Grille Included: Black Steel Mesh

Signal Processing

Filter Mode(s): Low-Pass only

Filter Slope(s): 12 dB/octave

Filter Frequency Range: 50 Hz – 200 Hz

Output Polarity Switch: Yes

Remote Subwoofer Level Control: Optional (RBC-1)

Useful Documents

General Specs

Manufacturer Warranty 2 Year
Width (in.) 36.63
Depth (in.) 5.13
Height (in.) 11.13
RMS Power Handling (Watts) 500
Mounting Hardware Included No
Amplified Reception Yes
Product Weight (lbs.) 34.9


Enclosure Type: Slot-Ported Low-Profile


Frequency Response: 50 Hz – 200 Hz

Additional information


Manufacturer warranty

Rms power handling (watts)

Depth (in.)

Width (in.)

Height (in.)

Product weight (lbs.)

Enclosure type:

Mounting hardware included

Amplified reception

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