Professional 4-Channel Audio Mixer is a professional 4-channel mixing console, including two mono input channels, one stereo input channel and USB input channel, with 6.3mm, XLR, RCA sockets for connecting devices, such as condenser microphone, dynamic mic, wireless microphone, guitar, passive speaker etc. Suitable for recording studios, public address , , broadcasting, live streaming, , and film post-production etc. Digital Effect Capability With real digital effect abundant tuning buttons, mixer supports high pitch, bass, reverb, input gain, volume adjustment, and real-time audio monitoring. controlled reverb effects make music fuller. Low noise, high precision mic preamplifier with perfect sound quality. Bluetooth/USB Connection Through wireless Bluetooth connection, can tunes musics from , and Android Smart Phone within 10 , fast and stable. It also supports USB/MP3 Play, Computer/U-Disk Record. -USB Charging/48V Phantom Power Designed with a -usb port, mixer can be powered by computer, power adapter and power bank, while providing 48V phantom power for microphones with XLR plug. Charging and transferring data at the same time. When connecting with computer, the mixer could optimize the computer voice through sound card function. Intuitive Button Board, with Digital Display The Audio Mixer has a intuitive button board with built-in digital display showing the current working status and connection mode, -friendly design,simple yet powerful. to other similar products in the market, audio mixer is smaller and lighter,Portable for outdoor activities. Material:ABS colour:black Package Contents: 1 x audio mixer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowederror is +/- 1-3cm.