AC 12 18V Preamplifier HIFI Amplifier Volume Tone Control Board OP AMP NE5532 for

【PRODUCT SPECIFICATION】Working Voltage :AC double 12 18V .Audio Output :3P terminal .Input Voltage :3P terminal 【PRODUCT FEATURES】Power supply circuit adopts full bridge rectifier .Better performance , noise is very small 【EXCELLENT PERFORMANCE】Effectively eliminate the high frequency interference of AC power grid .Sound warm and distorted ,high fidelity 【PRODUCT DESCRIPTION】Chip has high conversion rate and strong drive ability 【WIDE APPLICATION】Good sound quality and pure music .High fidelity ,low noise ,very suitable for high quality sound equipment ,instrument ,control circuit and telephone channel amplifier