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Note:This is a preamplifier board DIY kits ,So it requires soldering by yourself.
Please refer to the circuit diagram soldering on the PCB board.
When using DC power, please short the JR1 solder joint. (JR1 is a short solder joint)
1. Single power input: AC 10V-15V / DC 12V-22V.Signal Power supply can use for car Modification.
2. The sound effect is better than the LM1036, sound quality. The treble is crisp and the bass is strong.
3. It adopts four-channel surround sound ultra-large-scale processing chip UPC1892, which is powerful.
4.UPC1892 High and low sound, balance, volume control is DC, there will be no noise such as pottery rustling.
5. The potentiometer spacing of the reference figure is 24-24-35. If you need 24-24-24 spacing, please move the volume potentiometer to the left to install one.
6.PCB adopts 1.6mm thick double-sided fiberglass board, tin-spraying process, high quality.
Package:
1pc Kits