gluttonous Low Pass Filter Subwoofer Preamp Single DC 9-32V Preamplifier with Volume Adjustment

Power supply : DC 9V-32V single power supply The so-called low-pass filter to filter out the human voice board is more than part, retain the low frequency part is amplified to the reproduction efforts, people not hear the sound of musical instruments and high-frequency sound during playback. The buyer must understand of this area. channel input, subwoofer output, then the output amp ifier,can not directly connected to the The multi- filter, better effect.The phase adjustable Potentiometer from left to : frequency adjustment, volume control

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gluttonous
B0BKPKLPJX
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