DS18 FRP-4K4 Compact 4-Channel Full-Range Class-D Amplifier | 4000W RMS FULL RANGE POWER IS BACK! AND NOW IN 4-CHANNELS! The FRP-4K4 is DS18’s most powerful compact 4-channel amplifier yet, built to deliver up to 4000W of RMS power across your entire system! Built for Massive Output The FRP-4K4 delivers massive output: 4 x 400W at 4 ohm, 4 x 700W at 2 ohm, 4 x 1000W at 1 ohm, 2 x 1200W bridged at 4 ohm, or 2 x 1800W bridged at 2 ohm. Plenty of clean, consistent power for your full-range or pro audio builds. Full Audio Control Dial in your sound with fully adjustable high-pass, low-pass, and full-range crossovers, plus a 12dB bass boost at 50Hz to fine-tune your low end. Smart Cooling keeps temps down while built-in protection circuits and 0GA power terminals make setup and system management simple—even when pushed to the limit. Get DS18’s FRP-4K4 for clean full-range power without wasting space!