4-Channel Amplifiers

Open Box Kicker 51KPX3004 KPX Series 300 Watts Water-Resistant 4-Channel Amplifier with Built-In Crossover Controls The 51KPX3004 Four-Channel amplifier is designed for motorcycles and space-conscious installations, providing powerful and water-resistant...

Open Box Kicker 51LX13007 LX-Series Multi-Channel Car Amplifier - 1500W Dynamic Power, 4 Ohm, Includes Remote Bass Control The Kicker 51LX13007 LX-Series Car Amplifier is designed to deliver exceptional audio performance for your vehicle. Featuring LX...

Open Box Kicker 49WXA10004 Warhorse Half-Bridge Class-D Design 2000 Watts 4-Channel Car Amplifier Kicker 49WXA10004 4-Channel Amplifier: Experience exceptional sound quality with this ultra-efficient, half-bridge Class-D amplifier. Designed for extreme...

Open Box Kicker 51LX5004 LX-Series 4-Channel Car Amplifier - 1100W Dynamic Power, 4 Ohm, Includes LX Control Center The Kicker 51LX5004 LX-Series 4-Channel Car Amplifier delivers powerful performance for your car audio system. It includes the LX Control...

Open Box Alpine KTP-445A Power Pack Compact upgrade amplifier for your Alpine receiver — 45 watts RMS x 4 Increases your Alpine receiver's power output to 45 watts RMS power by 4 channels Compact Class D amplifier for Alpine in-dash receivers Works...

Open Box Alpine KTA-450 Compact 4-Channel Power Pack Head-Unit Amplifier 4-channel car amplifier 50 watts RMS x 4 at 2 or 4 ohms CTA-2006 compliant non-bridgeable Dynamic Peak Power (DPP) technology adds a burst of power when needed selectable high-pass...

Open Box Alpine KTA-30FW 4-Channel 75 Watts RMS Class D Weather Resistant Tough Power Pack Amplifier Transform your vehicle's audio system with the Alpine KTA-30FW 4-Channel Amplifier. This compact Class D amplifier is engineered to deliver a substantial...

Open Box Alpine R-A90S New R-Series 6/5/4/3 Channel Power Amplifier Staggered Power The R-A90S 6-channel amplifier features a staggered power channel layout for ultimate sound system flexibility. The amplifier can be used to power 3-channel systems...

Open Box Alpine Status HDA-MF60 Hi-Res 4-Channel Amplifier With the highest quality music streaming available on the market, Alpine Status delivers a superior level of audio performance that will take your music to a whole new level. This 4-channel...

Used Alpine R-A90S New R-Series 6/5/4/3 Channel Power Amplifier Staggered Power The R-A90S 6-channel amplifier features a staggered power channel layout for ultimate sound system flexibility. The amplifier can be used to power 3-channel systems (200 W...

JL Audio HD600/4 Class D 600 watts RMS 4-ohms 4-Channel Full-range Car Amplifier The JL Audio HD600/4 Full-Range Car Amplifier delivers powerful, clean sound with advanced tuning flexibility for premium in-car audio systems. It features selectable 12- or...

Kicker 51KPX3004 4-Channel Amplifier with 51KSC69304 6x9" Triaxial and 51KSC6504 6.5" Coaxial Speakers Experience audio excellence with our premium Kicker package, including the 51KPX3004 4-Channel Amplifier, 51KSC69304 Triaxial Speakers, and 51KSC6504...