Qaautor Car Subwoofer Amplifier Board, 500W Subwoofer High Power HiFi Amplifier Board DC 12V

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  • With Short Circuit Protection and Reverse Connection Protection,double Insurance Design,although You Can Use It With Confidence and Boldness.
  • You Can Choose Full Frequency Or Low Frequency Output,there Is No Human Voice Output in Low Frequency (LPF) State.
  • The Built-in Squelch Circuit Can Some Noise,making the Sound Quality more Beautiful and more Pleasant.

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