4-Channel Amplifiers

189 items

Alpine KTA-450 Car Amplifier

Alpine KTA-450 4-Channel 200 Watt RMS Power Pack Amplifier Dynamic Peak Power (DPP) Technology Th...

Alpine KTA-450 4-Channel 200 Watt RMS Power Pack Amplifier Dynamic Peak Power (DPP) Technology The KTA-450 features Alpine’s exclusive DPP technology which intelligently adjusts the gain to automatically adapt to musical needs. DPP prevents the amplifier from clipping music signals by supplying up to double the power to support rhythmic instruments that provide snappy sounds (like a snare drum, trumpet, or high-hat cymbals). During these dynamic musical passages, DPP instantly delivers bursts...

$350.00 $219.95

Alpine S-A32F S-Series 4-Channel Digital Amplif...

Alpine S-A32F S-Series 320W RMS 4-Channel Digital Class D Car Audio Amplifier The all-new S-Serie...

Alpine S-A32F S-Series 320W RMS 4-Channel Digital Class D Car Audio Amplifier The all-new S-Series amplifiers pack a punch with even more performance and value. Experience hard-hitting bass and long hours of limitless play with the S-A32F 4-channel amplifier. These amplifiers offer great value with over 20% more power through increased watt handling. The exceptional strength and resistance are supported by optimizing a heat thermal management processor to ensure exceptional reliability. You c...

$280.00 $219.95

ALPINE S-A32F 4-Channel Digital Class D Car Aud...

Alpine S-A32F S-Series 320W RMS 4-Channel Digital Class D Car Audio Amplifier The all-new S-Serie...

Alpine S-A32F S-Series 320W RMS 4-Channel Digital Class D Car Audio Amplifier The all-new S-Series amplifiers pack a punch with even more performance and value. Experience hard-hitting bass and long hours of limitless play with the S-A32F 4-channel amplifier. These amplifiers offer great value with over 20% more power through increased watt handling. The exceptional strength and resistance are supported by optimizing a heat thermal management processor to ensure exceptional reliability. You c...

$280.00 $219.95

Rockford Fosgate PBR400X4D Compact 400W 4 Chann...

Rockford Fosgate PBR400X4D 400W Compact 4 Channel Punch Series Class D Amplifier 50 watts RMS x 4...

Rockford Fosgate PBR400X4D 400W Compact 4 Channel Punch Series Class D Amplifier 50 watts RMS x 4 designed for stereo front/rear systems that require little space. The BRT (Boosted Rail Technology) is an ultra-efficient design that generates 400 watts of power! The BRT also has a variable hi-level DC offset turn-on circuit for easy installation into any OEM system. Great for motorcycles and recreational vehicles. The Punch PBR400X4D is a 400 Watt full-range amp designed for compact systems. T...

$399.99 $279.99

Rockford Fosgate R2-300X4 Prime Series 300 Watt...

Rockford Fosgate R2-300X4 Prime Series 300 Watts 4-Channel Class D Amplifier  Primed for performa...

Rockford Fosgate R2-300X4 Prime Series 300 Watts 4-Channel Class D Amplifier  Primed for performance, the R2-300X4 is a 300-watt, full-range Class-D amplifier capable of operating at 4Ω or 2Ω stereo and 4Ω bridged/mono. This amplifier is extremely efficient because of its Class-D technology, which reduces the vehicle's electrical system demand. The amp also features C.L.E.A.N. circuitry to help you adjust your gain settings, a P.O.W.E.R. supply that generates more power as voltage increases. ...

$399.99 $279.99

2 Rockford Fosgate PBR400X4D 400W Compact 4 Cha...

2 Rockford Fosgate PBR400X4D 400W Compact 4 Channel Punch Series Class D Amplifier 50 watts RMS x...

2 Rockford Fosgate PBR400X4D 400W Compact 4 Channel Punch Series Class D Amplifier 50 watts RMS x 4 designed for stereo front/rear systems that require little space. The BRT (Boosted Rail Technology) is an ultra-efficient design that generates 400 watts of power! The BRT also has a variable hi-level DC offset turn-on circuit for easy installation into any OEM system. Great for motorcycles and recreational vehicles. The Punch PBR400X4D is a 400 Watt full-range amp designed for compact systems....

$1,100.00 $559.98

Alpine X-A70F Car Amplifier 700 W RMS X-Series ...

 Alpine X-A70F 700 W RMS X-Series Class-D 4-Channel 2 ohm Stable AmplifierAlpine introduces the a...

 Alpine X-A70F 700 W RMS X-Series Class-D 4-Channel 2 ohm Stable AmplifierAlpine introduces the all-new X-Series of high-grade speakers and amplifiers. These products have been engineered and tuned to create a perfect match for extraordinarily dynamic, realistic sound reproduction and a spatial sound impression.The all-new X-Series amplifiers set a new standard for sound quality performance and power output in a very compact design. Available in mono, four-channel, and five-channel configurat...

$900.00 $799.95

Alpine KTA-30FW Car Amplifier 600W Max, 300W RM...

Alpine KTA-30FW 600W Max, 300W RMS KTA Series 4 ohm Stable 4-Channel Class-D Tough Power Pack A...

Alpine KTA-30FW 600W Max, 300W RMS KTA Series 4 ohm Stable 4-Channel Class-D Tough Power Pack Amplifier Half The Size, Double The Power Get a huge increase in sound performance over your factory system. With Alpine’s exclusive technology, Dynamic Peak Power (D.P.P.), the KTA-30FW Weather Resistant Tough Power Pack is sure to add higher output and increased dynamic range for those open cab vehicles and toys. The KTA-F30W is perfect for when you want to boost your sound system but don’t ha...

$700.95 $419.95

Alpine KTP-445A Car Amplifier Plug and Play He...

Alpine KTP-445A Plug and Play Head Unit Power Pack for Use w/ 2005-Up Alpine Head Units with a Bl...

Alpine KTP-445A Plug and Play Head Unit Power Pack for Use w/ 2005-Up Alpine Head Units with a Black Power Harness The KTP-445A Power Pack amplifies power output on select 2005 and newer Alpine head units, resulting in up to a 150 percent power increase over the original power from the head unit's built-in amplifier. Compact size lets the KTP-445A fit where most amplifiers won’t. The KTP-445A comes equipped with direct plug-in connectors for select 2005 and newer Alpine head units and it fits...

$450.00 $289.95