Description: Use the special amplifier chip for vinyl record player, the effect is better than the amplifier board of NE5532 and other op amps. The circuit design has frequency compensation, the sound frequency band is more balanced, there is an input signal filter circuit, and the bottom noise is relatively lower. single power supply, with rectifier filter voltage regulator circuit.A dual power conversion chip is used internally, so that it has the effect of dual power supply under single power supply. (Note: In order to prevent plagiarism, the chip model is polished, and the chip model is not provided).Working Voltage: AC 5V-16V or DC 6V-20VBoard Size: 60x45x23mm (L x W x H)Notice: The ground wire of the vinyl machine should be connected to the GND terminal of the amplifier board. Otherwise, there may be interference.Material: PC+MetalColor as shownPackage Contents:1pcs x Preamplifier BoardOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.