4 x 80W Electric Car DSP Amplifier High Fidelity Booster for Android Navigation

5800W High Output Car Amplifier 4 Channel Stereo Power Amplifier Audio Speaker

4-Channel DSP Car Amplifier with Superior Sound Enhancement for Android Systems

4-Channel Full-Range Amplifier, 80Wx4 Audio Modification Po..For Android Car...

Boss Audio Systems R1004 4-Channel Car Amplifier READ DESCRIPTION 2-Bad CHANNELS

Uimoso 640W Class D Car Audio Amplifier 4-Channel Stereo Amp 4 x 160W@2 Ohms

VEVOR Car Audio Amplifier Car Amplifier 4-Channel Class D Max. 4x110W at 4 Ohms

Taramps TS 400x4 400 watts RMS 4 Channels Full RCA Class D Multi Amplifier Small