Model Number:SMR6Channel:6 Channel ( 2 Mono +2 Stereo )Phantom Power:48V DCBluetooth:Bluetooth Audio MixerUSB Playback:USB Playback, Computer PlaybackRecording Format:MP3Effect :16 DSPUSB Play format:MP3, WMA, WAV, FLACPower Supply:110-220V ACApplication:Party, DJ, Recording, KaraokeProfessional 6 channel mixing console and AUX paths plus effects processor 6 channel mixing console with two stereo channels and a separate stereo tape channel. Separate input JACK controls for mix and line inputs on all mono channels XLR mic connectors on all mono channels Low-noise, discrete mic preamplifiers on all microphone inputs Dedicated inserts on all mono channels Balanced 1/4" stereo jacks and balance controls on all stereo channels Separate stereo tape channel with 1/4" and RCA jacks Stereo output for recording applications English music as active 3-band EQ on all mono channels 2-band EQ on stereo channels AUX and effects paths as well as separate gain controls on all channels AUX send controls in the main section for optimal level adjustment Headphones output with dedicated volume control Built-in +48V phantom power for condenser mics 16 DSP digital Multi Effects(Optional 99 DSP digital Multi Effects) Channel 2 Mono+2 Stereo Channel EQ 3 Band Aux send 1 Aux return 1 Effects 16 DSP Delay Main out 1 Groups no Phantom power 48V DC USB player yes Key Point: 1). Bluetooth 2). USB Play: MP3, WMA, WAV, FLAC 3). USB Record: MP3 4). Effect : 16 DSP 1. Power Supply 110-220V EU/US/UK Plug