Aammoon AGM04 4-Channel Audio Interface, Digital Audio Mixer

https://www.ammoon.com/p-i4049.html Compact 4-channel mixing console, designed for home studio recording, live internet streaming, karaoke, etc.; Features a low-voltage 5V power supply design, can be powered by computer, power adapter or 5V power bank via USB 2.0 or Micro USB port. 2 mono combo TRS and XLR inputs for connecting microphone, instrument or other audio device; Stereo/mono TRS inputs for connecting an audio source with line-level signal; 3.5 mm AUX input for connecting smartphone or other device to use sound effects triggering apps or background music. Stereo TRS outputs for connecting another mixer, amplifier or recorder; 6.3 mm PHONE input for stereo headphones and 3.5 mm headphone jack with microphone input and headphone output to avoid unwanted noise. Channels 1 and 2 feature GAIN controls, 2-band EQ (TREBLE and BASS), PAN and LEVEL; channel 1 includes +48V phantom power for condenser microphone. CH3 and CH4 with GAIN switch and LEVEL control; the TO PC slide switch allows selection of the signal sent to the computer (DRY CH1-2/ INPUT MIX/ LOOPBACK). When connecting the mixer to a computer using the included USB 2.0 cable, the computer powers the mixer and simultaneously enables audio data transmission between the mixer and the computer.