4.1 Bluetooth Pre-amplifier Volume Tone Control Board

If you are looking for Bluetooth Class D Pre-Amplifier or Cristal Clear Sound, and want Mid High Low Perfect, then it is A grade Pre-Amplifier is best Suitable for you. This tone board includes 10 times preamplifier and treble, midrange, bass, and volume control. Reasonable circuit board wiring, low noise, beautiful component layout.

Specs –

• Power supply voltage double: 12V AC-18V AC
• Channel type: dual channel
• Adjustment type: four channels (Master, treble, midrange, and bass)
• Audio output: 3P terminal block
• Power input: 3P terminal block
• Four channels (Master, treble, midrange, and bass)

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