4 Channel Car Amplifier 400W, 2-8 Ohms, High/Low Inputs, Subwoofer Compatible

Power - 100 Max x 4 @ 2 Ohms, 50 Max x 4 @ 4 Ohms. Both essentially carry signal from your receiver to your amplifier to your speakers. 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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