The Audio2000'S AMX7361 is a truly user-friendly, yet pleasantly sounded, four-channel audio mixer. In addition to being configured with a USB computer interface on the front panel and all the essential mixer features, the AMX7361 audio mixer also includes a USB 5V power input on the rear panel for the audio mixer to be powered by a USB 5V power supply for critical mobile applications and convenient/easy power supply access. The capability of letting user connect a computer to the USB interface, the AMX7361 allows the user to coordinate this audio mixer with a computer to record and/or to perform the music replaying applications. The AMX7361 audio mixer includes microphone and stereo line inputs for pro-audio applications. The built-in FX SEND and RETURN jacks with a RETURN level control knob are the value-added features for the mixer. The AMX7361 audio mixer is configured with Gain, High, Low, FX (EFF), PAN control knobs and Level control sliders on channels 1, 2 and 3/4. The high-accuracy level indicators allow users to monitor the sound signal levels. A built-in phantom power can be used to power condenser microphones. The AMX7361 includes built-in 16-bit digital sound effects which provide the same sound effect signals to the left channel and the right channel. 【USB Computer Interface】Steps to connect the mixer to a computer: (1) Connect the USB cable from the USB output on the front panel (upper part) of the mixer to computer. (2) Run the audio recording program (such as Audacity or others). After you run the audio recording program, you will see the device with ID code of "Jieli BR17". Click the "Jieli BR17" device to connect the mixer to the computer