Description
JL Audio W3-Series 12-Inch 500-Watt Subwoofer Driver, 2-Ohm or 4-Ohm Single Voice Coil
This 12-inch W3v3 subwoofer driver by JL Audio delivers world-class sound quality in a 500W RMS power package.
The JL Audio 12W3v3-2 and 12W3v3-4 automotive subs are best used with an amplifier in the 150-Watt - 500-Watt RMS range and are optimized to operate in a compact 1.25 cu. ft. (35.4 l) sealed enclosure, or a 1.75 cu. ft. (49.6 l) ported enclosure.
General Specifications
| Continuous Power Handling (RMS) | 500 W |
| Recommended Amplifier Power (RMS) | 150 - 500 W |
| Nominal Impedance (Znom) | 2 Ω |
Physical Specifications
| Nominal Diameter | 12.0 in / 300 mm |
| Overall Diameter (A) | 12.5 in / 318 mm |
| Mounting Hole Diameter (B) | 11.0625 in / 281 mm |
| Bolt Hole Circle Diameter (C) | 11.7 in / 297 mm |
| Motor Outer Diameter (D) | 5.5 in / 140 mm |
| Mounting Depth (E) | 6.65 in / 169 mm |
| Driver Displacement | 0.071 cu ft / 2.01 L |
| Net Weight | 14.50 lb / 6.58 kg |
Parameters
| Free Air Resonance (Fs) | 27.97 Hz |
| Electrical “Q” (Qes) | 0.534 |
| Mechanical “Q” (Qms) | 7.678 |
| Total Speaker “Q” (Qts) | 0.5 |
| Equivalent Compliance (Vas) | 2.806 cu ft / 79.47 L |
| One-Way Linear Excursion (Xmax)* | 0.510 in / 13.0 mm |
| Reference Efficiency (no) | 0.31% |
| Efficiency (1 W / 1 m)** | 87.15 dB SPL |
| Effective Piston Area (Sd) | 80.600 sq in / 0.0520 sq m |
| DC Resistance (Re) | 1.658 Ω |
* Xmax specifications are derived via one-way voice coil overhang method with no correction factors applied.
** Efficiency (1 W / 1 m) is not an accurate indicator of a subwoofer’s output capability and should not be used as a comparison to other subwoofers to determine which one is “louder”.