Diheohg DC 9-32V Power Supply Low Pass Filter Subwoofer Preamp Amplifier Board with Bass Volume Adjustment

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Product description

  • The multi-stage filter, better bass effect. The adjustable phase
  • Dual channel input, subwoofer output, then the output amplifier cannot be directly connected to the speaker
  • The so-called low-pass filter to filter human voice is more than a part of the treble, keep the low-frequency part is amplified to improve bass reproduction efforts, people will not hear the sound of musical instruments and the high-frequency sound during playback. The buyer must understand the knowledge of this.
  • Left to Right Potentiometer Frequency Adjustment, Bass Volume Control

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