Alpine KTP-445U 4 Channel 45W Power Pack Car Amplifier

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

Alpine KTP-445U Universal Power Pack Compact Car Amplifier As Is Untested

Alpine KTP-445 45W Head Unit Power Pack

Alpine KTP-445U Universal 4-Channel 180W RMS Compact Car Audio Amplifier U/C

KTP-445A Alpine Head Unit In-Line 4-Channel Power Pack Amplifier 45W

Alpine KTA-450 200W RMS Class D 4-channel Weather Resistant Car Audio Amplifier

Alpine KTP-445A 4-Channel 180W Car Amplifier - Black