4CH

4-Channel Full Range Class D Amplifier with 8-Channel Digital Sound Processor

4-Channel Class AB Amplifier with 6-Channel Digital Sound Processor

GEN-X Full-Range Class D 4-Channel Amplifier 4 x 150 Watts Rms @ 4-ohm

KAC-D3104 Class D 4-Channel Power Amplifier

4-channel car amplifier — 250 watts RMS x 4

Punch 400 Watt Full-Range 4-Channel Amplifier PBR400X4D