Sell DC 5V DSP Digital Reverberation Module 0-99 Kinds of Effects best price

DC 5V DSP Digital LED Reverberation Module Stereo Karaoke Reverberation Board 0-99 100 Kinds Effects This module is only a part of the reverberation circuit. It also needs a large number of peripheral circuits. There is no microphone amplifier hybrid circuit. Users need to be proficient in the independent analysis of the circuit. The working voltage is 5V DC. There are a total of 100 effects from 0 to 99. Rotate to select the number and press to confirm. This is just a module. It requires a lot of peripheral circuits to form a complete reverberation circuit. People who are proficient in the circuit can buy it. Before shipment, I test and assemble it to ensure that it is intact. No refunds will be given out, please do not place an order if you mind!