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

JL Audio RD400/4 4-Channel 400W RMS Car Amplifier Class-D Full Range Amp 4ch

KICKER KEY200.4 4-Channel 200W RMS Car Audio Amplifier/DSP

Open Box Alpine KTA-450 4-Channel Power Pack Head-Unit Amp

JL Audio JD400/4 4-Channel Class D Full-Range Amplifier - 400W

Clarion XC2410 300 Watt 4-Channel Class-D Marine Amplifier

Infinity DSP4425 All-in-One Class A/B 4-Channel Amplifier with DSP Control New

Rockford Fosgate TM400X4AD Motorcycle Marine Class AD 400W Amplifier