DS18 Ultra Compact Class D 4-Channel Powersports/Marine Speaker Amplifier Amp X4

Infinity Kappa Perfect KP5004 Compact 4 channel amp 75 watts RMS x 4 Brand New

DB Drive MOTO400/4 4 Channel 800W RMS Motorcycle/Marine Compact Amplifier New

DS18 X4 Ultra Compact Class D 4-Channel Car Amplifier 4 x 70 Watts Rms @ 4-ohm

AudioControl ACX-300.4 4-channel Powersports/Marine Amplifier — 50 watts RMS x 4

Pioneer GM-D1004 Compact 4 Channel Car Amplifier Class D 45 watts RMS x 4

DS18 X4 Ultra Compact Class D 4-Channel Car Amplifier 1320 Watts Max

Alpine KTP-445A Compact Power Pack 4-Channel Car Audio Amplifier 45W RMS x4