4 Channel Car Amplifiers

In the case of a 4 channel amplifier, use two channels to drive a pair of full-range speakers, and bridge the other 2 channels to power a sub-woofer. Among many features of a 4 channel amplifier are remote sub-woofer level control, tri-mode operation, bridgeable channels and max bridged power to 1000W. Four channel car amplifier provide users multiple input/output selectors to power up to four devices. This is great if you need to power an entire sound system.

Kenwood KAC-M1824BT Class-D Compact 4 Channel Class-D Marine Bluetooth Amplifier
$267.99
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Class D 4-channel marine amplifier for compact size excellent efficiency
Conformal coated circuit board suitable for marine applications
Speaker Level Input with signal sense turn-on for easy integration to factory audio systems
Cast Aluminum Heat Sink Design
4 Ohms Load Capability
CEA-2006 Compliant
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Rockford Fosgate M400-4D 400 Watt Full-Range Marine Class-D 4-Chanel Amplifier

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$331.99
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400 Watt 4-channel high efficiency Class-D amplifier specifically designed for Marine and Power-sports applications
75 Watts x 4 @ 4-Ohm
Pulse Width Modulated MOSFET power supply
Variable 12dB/octave Butterworth crossover
2/3/4 channel operation
4 Gauge power / ground connectors
Cast aluminum heatsink for effective heat dissipation
Tri-stage protection that covers thermal, over-circuit and short circuits
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