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SFT-B200 DC 12V Single Power Supply Heavy Subwoofer Preamp Board HIFI Low Pass Filter Pre-circuit Module

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Description:
1>.Item Name: Low Pass Filter Pre-circuit
2>.Model:SFT-B200
3>.Work voltage:DC 10-24V
4>.Frequency range:22Hz-300Hz
5>.Audio input:Mono or Stereo
6>.Audio output:Mono
7>.Work Temperature:-40℃~85℃
8>.Work Humidity:0%~95%RH
9>.PCB Size:77*32*15mm
 
Note:
  • This board is a heavy bass preamplifier board.
  • It can't be connected directly to the horn/loudspeaker.
  • It must be connected to a pure final stage power amplifier board to make an active subwoofer.
  • The power of the pure final stage power amplifier board is selected according to the degree of shock of individual needs.
  • The higher the power of the stage amplifier, the more powerful the bass effect will be.
  • The so-called low-pass filter board filters out the high-pitched parts above the human voice, and retains the low-frequency part to zoom in to improve the bass playback strength, it does not hear human voices and high-frequency instrument sounds during playback.
  • Buyers must understand this knowledge to avoid using it and not knowing how to use it.

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SFT-B200 DC 12V Single Power Supply Heavy Subwoofer Preamp Board HIFI Low Pass Filter Pre-circuit Module
$5.59
$7.99
31