4-way mixer, metal shell, with Bluetooth, MP3 microphone maximum input level: +24dBu line maximum input level: +24dBu maximum output level: +26dBu frequency response: 20Hz-20kHz+0.5dB Total wave distortion: Less than 0.01% (channel input to mix output) Mono/Stereo Channel EQ: High Frequency +/-15dB 12KHz Low Frequency +/-15dB 80KHz High High Frequency +/-15dB 2.5KKHz Mono: XLR Balanced, XLR Phantom power 48V Stereo channel L/R output FX/AUX output Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. Voltage: DC12V Color: Black Material: metal Package Contents: 1 x Mixer 1 supply 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.