Black Diamond Class D 4-Channel Full Range Amplifier | 400W RMS X 4 at 4-Ohm

Big power for big speakers. The DS18 Black Diamond DIA-P3600X4D puts out 400W RMS per channel at 4 ohms, built for high-power speaker builds.

For loud car, truck and UTV builds running pro audio speakers, or for bridging into a pair of subs or high-power mids. Gain covers 0.2 to 6 volts, and selectable full, low-pass or high-pass crossovers run from 40Hz to 4kHz. It wants serious wiring: 0 gauge power and a 280A fuse per DS18, so plan the electrical side with it.

Key Specs

• 4 channels, Class D (digital), stereo full range; 7200W peak
• RMS: 400W x 4 @ 4 ohm; 680W x 4 @ 2 ohm; 1200W bridged @ 4 ohm
• Min impedance: 2 ohm stereo / 4 ohm bridge
• Frequency response: 20Hz - 20KHz; S/N >90dB; THD 1%; efficiency 85% @ 4 ohm
• Low level input: 0.2v - 6v
• Crossover: FULL/LPF/HPF, 40Hz~4KHz
• LEDs: power/protect/clipping
• Power input terminal: 4GA listed (0 gauge wiring recommended); fuse 280A
• Protection: thermal, overload, DC output, short circuit, voltage input (<9 / >16 volts), clipping
• Finish: black / satin
• Size: 12.36" / 314mm L x 6.18" / 157mm W (6.1" in DS18 overview) x 2" / 52.8mm H; heatsink 11.41" / 290mm

Download the DS18 product manual (PDF)

Want it installed? Our Haslet, TX shop does professional installs and custom enclosures for DFW, Fort Worth, Keller and Denton.