JL Audio RD900/5

5-Channel Class D System Amplifier, 70 W x 4 @ 4 Ω + 500 W x 1 @ 2 Ω - 14.4V

Product highlights:

• Featured in our article: Best multi-channel car amplifiers for 2025
• 5-channel car amplifier
• 70 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

Other Features:

• blue LED accent lighting
• optional wired remote level control for subwoofer channel
• preamp and speaker-level inputs (speaker wire to RCA adapter required for speaker-level input)
• 4-gauge power and ground leads and 80-amp fuse recommended — wiring and hardware not included with amplifier
• no onboard fuses — when installing multiple amps in a system, an additional 80-amp in-line fuse between the distribution block and the amplifier is recommended
• 14-11/16"W x 2-3/16"H x 7"D
• warranty: 2 years

What's in the box: