Filter Filters Alpine Remove All Filters Price $100-$500 (5) $500 and above (2) Condition New (5) Refurbished (2) Alpine KTA-450 Car Audio 4 Channel 400W Amp Power Pack Class D Amplifier New $219.95 Alpine KTA-30FW Car Audio 4 Channel 600W Amp Power Pack Class D Amplifier New $419.95 Alpine KTP-445U Car Audio 4 Channel 360W Amp Behind Radio Aftermarket or Factory $174.95 Alpine KTP-445U Car Audio 4 Channel 360W Amp Behind Radio Aftermarket or Factory $289.95 Alpine S2-A55V S-Series 5-channel Power Amplifier $399.95 Alpine PSS-SX01 UTV Speaker System Includes 6 1/2" Speakers Pod, 4 Channel... $929.95 Alpine PSS-SX01 UTV Speaker System Includes 6 1/2" Speakers Pod, 4 Channel... $679.95