Check the listing for details. Mixing Console Bluetooth DJ Live Audio Sound Studio Mixer Board USB 4 Channel. Condition: New. Listed at 51.87 USD. 4 Channel Mixing Console Bluetooth DJ Live Audio Sound Studio Mixer Board USB Description The impact-resistant powder-coated metal housing makes this 4-channel mixer more durable and have a long service life. Its U-disk playback function, wireless Bluetooth function, and excellent reverberation effect will give you a better music experience. It can access guitar, electric piano, microphone, audio amplifier, DVD. It is suitable for professional bar DJs, big stage performances, wedding banquets, host speeches, campus DJ broadcasts, family entertainment, etc. Key Highlights Long Service Life: The impact-resistant powder-coated metal housing makes this 4-channel mixer more durable and have a long service life. U-disk Playback Function: You can load MP3 audio files onto a USB fl.