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Optimus XL-400 400W 4/3/2 Channel Car Amplifier RadioShack Vintage Untested

Kicker DX500.1 500W Mono Subwoofer Amplifier Tested Working

Dual Electronics XPR52 400W Amplifier - Tested, Working

4-Channel 1500W HiFi Android Amplifier Car Audio Stereo Power Amp System Upgrade

Crossfire VR142 2-Channel 140W Car Amplifier – Vintage – Untested – Sold As-Is

Dual XPR52 600 Watt 2 Channel Bridgeable Car Stereo Amplifier Speaker *Untested*

Sony XM-4520 2 Channel Bridgeable Power Amplifier Car Japan Made Untested As Is