Dsp digital reverb karaoke reverb board Ktv mixer effect device anti-whistle module multi-sound

The working voltage is 5V, the current is about 70ma, with dynamic anti-whistling function and various reverberation effects.Note: The electronic sound effect has no reverberation, which is a function limitation of the chip. The volume of the effect can be adjusted up or down but cannot be completely closed.If there is a humming sound, please reconnect the ground wire to the board.Colour: as shownMaterial: plasticPackage Contents:1 * Digital Reverb BoardOnly the above package content, other products are not included.Note: Light 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.