mixer soundcraft 4 channel efx4 USB BLUETOOTH support Soundcard pc Feature 4 Channel 2 Mono Mic Line 2 Stereo Gain Control With Two Bands Eq High & Low + 48V Phantom Power For Condenser Mic Effect: Delay + Repeat Usb Interface, Mp3, Bluetooth, Recording Headphone Monitor Material: Full Plastic Net Weight: 0 , 51kg / pcs Gross Weight: 0.72kg / pcs Packing Type: Color Box Packing Size: 23 * 22 8.5cm / pcs