Sell XH-M151 Preamplifier Board BBE Digital Tuning Board Audio Processor Preamp Board Module best price

BBE Audiophile Tone Board Universal power supply Dual audio interface Sound adjustment Sound effect switch Type: Preamp tone board Model: XH-M151 Chip model: XR1075 Number of channels: two channels Power supply: AC, DC 12V Net weight: 50g Size: 72*56*24mm 1. Connect the input terminal to 12V (AC or DC), the audio input terminal to the sound source, the output terminal to the rear power amplifier board, and the speaker. (As shown in Figure 2 below) 2. The volume, treble output and bass output can be adjusted; from left to right: the first knob is for treble adjustment, the second is for bass adjustment, and the last is for volume adjustment. Rotate clockwise to increase, and rotate counterclockwise to decrease the volume and high bass effect. 3. Toggle the red button to switch the sound effect with one button.