Features:Compact size USB audio system with 24bit/ 48kHz high-quality ADC/DAC conversion and +48V phantom power, which is designed for music lovers, singers, network broadcasters, and so on.2 MIC(XLR) & 2 LINE/INST(6.35mm TRS) inputs for connecting microphones, guitars or other audio devices; 1 stereo 3.5mm LINE input for connecting smartphone or other audio devices.1 stereo 6.35mm MONITOR output jacks(L & R) for the connection of active speakers/ power amplifier; 1 stereo 3.5mm output jack especially for the use of the active loudspeakers of the computer; 1 stereo 3.5mm PHONES output jack for connecting headphones.With MIC input volume, MONITOR output volume and PHONES output volume control knobs; and MIC input & MONITOR output volume level meter.USB 2.0 terminal, connecting to computer for power supply, and audio data can be sent between the audio system and computer.Specifications:Brand: MusladyMaterial: MetalPower Supply: DC 5V, 500mAPower Consumption: Max. 2.5WItem Size: 16 * 9 * 5cm / 6.3 * 3.5 * 2inItem Weight: 645g / 1.4lbsPackage Size: 26.5 * 15 * 7cm / 10.4 * 5.9 * 2.8inPackage Weight: 870g / 1.9lbsPackage List:1 * USB Audio System1 * USB Cable(about 1.5M)1 * User Manual(English)