No - Cellular Innovations - 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.

Sony XM-S400D Compact 400 Watt Class D 4-Channel Amplifier
$149.99
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4-Channel Car Amplifier
45 Watt x 4 at 4 ohms
Super compact design
Class FD Design Offers Efficiency and High-Quality Sound
High and low level inputs with auto turn on
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