Description

This board uses a single power supply DC 12v power supply, built-in isolation noise reduction power supply module, can well solve common ground noise, and electronic interference sound, at the same time the board power supply module can be boosted to dual power supply for the operation of the op amp chip, so that the sound effect can be played well. Incisively and vividly, immediate results, reaching the HIFI level effect. Suitable for car home preamp tone, power amplifier preamp tuning module. The board supports ACC terminal control, which is suitable for vehicle use. At the same time, customers who do not need the ACC function can short-circuit the ACC with the power supply 12V. The effect is good, the sound quality is clear, the configuration is high, the materials are sufficient, the factory price, and the cost performance is very high. Suitable for audiophiles to modify and use.