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JL Audio RD400/4
4-channel car amplifier — 75 watts RMS x 4
Product highlights:
Featured in our article: Best 4-channel car amplifiers for 2025
4-channel car amplifier
75 watts RMS x 4 at 4 ohms (100 watts RMS x 4 at 2 ohms)
200 watts RMS x 2 bridged at 4 ohms (4-ohm stable in bridged mode)
Class D amplifier design with NextD™ switching amp technology
differential-balanced inputs help eliminate noise
variable low- and high-pass filters (50-500 Hz, 12 dB/octave)
LED clip lights help set gain
Other Features:
blue LED accent lighting
preamp inputs and outputs
speaker-level inputs (speaker wire to RCA adapter required)
9-13/16"W x 2-1/8"H x 7"D
warranty: 2 years
MFR # 98621
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4
Channel Amps

SHOWROOM HOURS
MON-FRI 9AM - 6PM • SAT & SUN CLOSED
11308 Dallas Blvd, Cincinnati, Ohio 45231
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