Features:
With reverb delay fever microphone amplifier board.
Support dynamic microphone and electret microphone input.
12V single power supply, AC input and DC input all can be used(regardless of positive and negative), 100mA power supply to work more than normal. With post-amp can sing songs, you can also do promotions propaganda, conferences and other occasions.
Philis CBB audio coupling capacitors, resistors, all with 1% precision metal film resistors, potentiometers selection of units produced durable seal type. Measured sound clear, small distortion and low noise.
NOTE: This item can not directly connected to speakers, you need to wiring to amplifier before you can drive amplifying horn.
1 x ETK3699 Digital Kara OK Surround Reverb Delay Microphone Amplifier Preamp Board