JL Audio RD900/5 5-channel car amplifier — 75 watts RMS x 4 at 4 ohms + 500 watts RMS x 1 at 2 ohm

5-channel car amplifier 75 watts RMS x 4 + 225 watts RMS x 1 at 4 ohms 100 watts RMS x 4 + 500 watts RMS at 2 ohms 200 watts RMS x 2 bridged at 4 ohms (4-ohm stable in bridged mode) + 500 watts RMS at 2 ohms Class D amplifier design with NextD™ switching amp technology differential-balanced inputs help eliminate noise variable high-pass filters (50-500 Hz, 12 dB/octave) on front and rear channels variable low-pass filter (50-500 Hz, 12 dB/octave) on subwoofer channel LED clip lights help set gain