JL Audio RD500/1 & 12W3v3-4

Monoblock Class D Subwoofer Amplifier & W3v3 Series 12″ 4-ohm subwoofer

General Specifications

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	>60 dB (A-weighted, 20 Hz – 20 kHz noise bandwidth)
Damping Factor @ 4 Ω	>1000 / 50 Hz
Damping Factor @ 2 Ω	>500 / 50 Hz
THD+N @ Rated Power	<1% @ 2 Ω per Ch.
Input Voltage Range @ RCA Inputs	Switchable from 200 mV – 2 V RMS (Low) to 800 mV – 8 V RMS (High)
Min.Copper Power / Ground Wire Gauge	4 AWG wire
Fuse Rating	50 A (AFS, AGU or MaxiFuse™)

General Specifications

Continuous Power Handling (RMS)	500 W
Recommended Amplifier Power (RMS)	150 – 500 W
Nominal Impedance (Znom)	4 Ω