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9 Best 4 Channel Car Amplifiers

Last Updated October 2019

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BOSS Audio Systems

Planet Audio AC800.4 ANARCHY 800-Watt Full Range Class A/B 2 to 8 Ohm

9.7

Superb!

Planet Audio AC800.4 ANARCHY 800-Watt Full Range Class Review and Comparison

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Class a/b topology: class 'a' amplifiers have enormous amount of current flowing through its output transistors with no audio signal. class 'b' amplifiers have no current flowing through its outputs with no audio signal. efficiency is the name of the game
Variable gain control: the gain control is not for adjusting volume. it simply adjusts the amount of signal that is coming from your receiver and going to your amplifier
Bridgeable: dramatically increase the power output to you speakers and subwoofers by connecting two amplifier channels
Warranty: planet audio provides a powerful 6 year platinum online dealer warranty so long as the purchase is made through amazon.com. we strongly encourage professional installation of this product to ensure proper and safe functionality
Power: 200 watts max x 4 @2-ohms, 100 watts max x 4 @4-ohms, 400 watts max x 2 bridged @4 ohms
Full range: with a full range amplifier you not only have the option to run your speakers, but also your subwoofers

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BOSS AUDIO PF1800 Phantom 1800-Watt Full Range, Class A/B 2 to 8 Ohm

9.5

Superb!

BOSS AUDIO PF1800 Phantom 1800-Watt Full Range, Class Review and Comparison

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225 w max power @ 4 ohm x 4 channels
Full-range, class a / b topology, mosfet power supply
Remote subwoofer control, red led backlit illumination
6 year platinum online dealer warranty
450 w max power @ 2 ohm x 4 channels
900 w max bridged power @ 4 ohm x 2 channels

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Planet Audio AC1600.4 ANARCHY 1600-Watt Full Range Class A/B 2 to 8 Ohm

9.1

Superb!

Planet Audio AC1600.4 ANARCHY 1600-Watt Full Range Class Review and Comparison

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200 w max power @ 4 ohm x 4 channels
Full-range, class a / b topology, mosfet power supply
Remote subwoofer control, blue backlit illumination
6 year platinum online dealer warranty
400 w max power @ 2 ohm x 4 channels
800 w max bridged power @ 4 ohm x 2 channels

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Best Value

BOSS AUDIO R2504 Riot 1000-Watt Full Range, Class A/B 2 to 8 Ohm

8.9

Great

7.9 Reviews

How we Score

9.5 features quality

8.9 popularity

8.4 brand reputation

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