JL Audio 12W1v2 4 12 inch Car Subwoofer Driver One piece only
JL Audio 12W1v2 4 12 inch Car Subwoofer Driver One piece only

W1v2: PERFORMANCE OVERVIEW ***
Shallow Mounting Depth *
Superb sound quality *
Works in compact enclosures *
Long linear excursion capability yields reduced distortion and outstanding output ***
SPECIFICATIONS ***
Free Air Resonance (Fs): 23.68 Hz *
Electrical “Q” (Qes): 0.443 *
Mechanical “Q” (Qms): 6.465 *
Total Speaker “Q” (Qts): 0.414 *
Equivalent Compliance (Vas): 3.739 cu. ft. / 105.81 liters *
One-Way, Linear Excursion (Xmax)*: 0.375 in. / 9.5 mm *
Reference Efficiency (no): 0.304% *
Efficiency (1W/1m)**: 86.81 dB SPL *
Effective Piston Area (Sd): 81.392 sq. in. / 0.0525 sq. m. *
DC Resistance (Re): 4.101 ohm *
Nominal Impedance (Znom): 4 ohm *
Thermal Power Handling (Pt): 150W *
Driver Displacement: 0.035 cu. ft. / 0.99 liters
* Xmax specifications are derived via one-way voice coil overhang method with no correction factors applied.
** Efficiency (1W/1m) 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”.
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