No - 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.

Soundstream PN4.1000D Picasso Nano 1000 Watt 4 Channel Class D Amplifier
$176.99
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1000 Watt 4 Channel Class D Amplifier
2-ohm Stereo and 4-ohm Bridged Impedance Stability
Continuous Power Output (4 Ω): 140 Watts RMS x 4
Continuous Power Output (2 Ω): 250 Watts RMS x 4
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