1Small size 4channel mixer, lightweight and portable, suitable for home karaoke, webcast, music recording, etc. 2With 2 microphone/line (for TRS and XLR 2 in 1) input jacks for connecting microphones, music instruments or other audio devices that support mono/stereo switch. 32 sets of RCA outputs (L & R) for connecting external recorders; 2 for TRS stereo outputs (l & r) for connecting speakers or amplifiers; 1 3.5 mm output jack for connecting headphones. 4With gain, high frequency, mid frequency, low frequency, and level control buttons, you can modulate better sound effects. 548V for phantom power for condenser microphone. With usb interface, it is used to connect mp3 player, and it also supports connection with smart phone via bt. Condition: 100% brand new Item type:Audio Console Material: metal Color: As picture shown Weight: Approx. 1022g Power adapter: input 100-240V Bluetooth: support USB interface: Yes 1 x Audio console 1 x Power adapter 1 x User Manual