This 4-channel audio interface is versatile, perfect for use as a karaoke, Dj, podcast, music, gaming, or streaming mixer. Each channel offers independent volume control, allowing precise adjustments with ease. Its wide compatibility lets you connect various audio sources, including phones, computers, instruments, and microphones. Built tough, the mixer features sealed rotary knobs, ensuring durability and protection against rough handling.Audio Mixer Specification:Channel No: 4Mono Channel: 2Stereo Channel: 2Effects: Repeat and DelayVoltage: 100- 240VUSB Port: YesBluetooth: YesBluetooth Version: 5Compatibility: Power amplifier and microphonePhantom Power: 48vPc Recording: Yes (Require cable not included)Frequency response: 20Hz-20KHz+3db2band EQInput Sensitivity: Mic: -60dBm Line: -20dB Eff Ret: -20dB Tape in: -20dBS/N Ratio: >70dBOutput voltage (Max): 4VTHD (1KHz Full Power): <0. 15%Package Information:1x Audio Mixer 4 Channel