Audio Components Debra 4/6 Channel Mixer DJ Console Sound Card Interface The M4 / M6 mixer is a multi-purpose 4/6-channel mixer with a sound card that can be meet users of home music recording, webcast, Singing, small party, and other needs. The mixer is equipped with input gain and high bass adjustment, built-in 48V phantom power supply for condenser microphone direct power supply, high-definition headset output port, MP3, WMA, WAV, FLAC broadcast, device with a sound card can be directly connected to the PC. Mixer compact, light weight, can be directly connected to the PCs USB port power supply,No additional power, can be connected to the computer through the USB power supply to run. With the trouble with an external adapter, you can also use the mobile power or USB AC / DC.The adapter is powered by the adapter. All you need is a cellphone data cable to connect to your computer and tune it up when its powered. Product parameter Material: ABS Total harmonic distortion: 0.1% Frequency response: 20Hz~20KHz/0.5dB Signal-to-noise ratio: -80dB MAX output: 4V/MAX Input/Output Impedance: MIC: 2.4K Mono: 11K Stereo: 100K Equalizer: High frequency: 12KHz15dB; Low frequency: 80Hz/15dB