JL Audio RD400/4 | 4-Channel Amplifier

Rated Continuous (RMS) Power @ 14.4 V @ 4 Ω 75 W RMS x 4 @ 3 Ω 100 W RMS x 4 Bridged @ 4Ω 200 W RMS x 2 Rated Continuous (RMS) Power @ 12.5 V @ 4 Ω 60 W RMS x 4 @ 3 Ω 90 W RMS x 4 Bridged @ 4Ω 180 W RMS x 2 General Specifications Frequency Response 12 Hz - 22 kHz (+0, -1dB) S/N Ratio, referred to highest rated power >104 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth) S/N Ratio, referred to 1 W >84 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth) Damping Factor @ 4 Ω >150 / 50 Hz Damping Factor @ 2 Ω >75 / 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 40 A (AFS, AGU or MaxiFuse™) Signal Processing Filter Mode(s) Low-Pass or High-Pass Filter Slope(s) 12 dB/octave Filter Frequency Range 50 Hz - 500 Hz Detented, Calibrated Filter Freq. Potentiometers No Filter Defeat Function Yes Remote Level Control No Remote Level Modes N/A Channel Input Mode Switch Yes (2/4 ch.) Pass-Through Preamp Output Buffered Source Channel Selection for PreOuts No Physical Specifications Height (H) 2.13 in / 54 mm Width (W) 9.78 in / 372 mm Depth (D) 6.96 in / 177 mm