4CH

Horizon HZ-100.4 4-Channel Amplifier

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

SALT-200.4 4-Channel Amplifier

NVY-IPX7.4 NVY 4-Channel Full-Range IPX7 Submersible Marine and Powersports Amplifier 120 x 4 @ 4-Ohm Watts RMS

HB 154D II 4-Ch. Class D Amplifier

SDX-100.4 4-Channel Weatherproof Amplifier

SAEv4-200.4 4-Channel Amplifier

EPIC Series 4-channel car amplifier — 100 watts RMS x 4

AudioControl EPICBIGFOUREPIC Series 4-channel car amplifier — 200 watts RMS x 4 at 4

NX175.4 4-Channel Class D Amplifier 4 × 100 | 4 Ohm