Livestreaming USB Audio Mixer
AT-UMX3
The perfect desktop audio mixer for novices and experienced users alike, the AT-UMX3 is a compact, feature-rich USB mixer that delivers high-quality sound for livestreams and other applications. Featuring a high-performance A/D converter (up to 24-bit/192 kHz) and plug-and-play operation, the AT-UMX3 lets you connect to your computer or mobile device to easily produce professional-quality mixes.
All-in-One Audio Production Mixer
Hear What Your Audience Hears
The feature-rich AT-UMX3 makes it easy to mix all your livestreaming audio elements and monitor the results – so you can be confident the mix is right.
XLR/6.3mm Combo Jack
¼” Instrument or Keyboard Input
USB Connectivity (USB-A or USB-C)
Stream Your PC Audio
Loopback Switch
Craft the Perfect Mix
The loopback function gives you the power to combine mic, instrument and computer audio into a single mix that’s automatically sent back to your computer for streaming. It couldn’t be easier to add background music, game sounds or other computer audio for a professional-quality stream.
Get to know the controls
Microphone
1 Phantom Power switch
2 Input peak indicator lamp
3 Gain control knob
4 Level control knob
5 Microphone mute button
Get to know the controls
Line/Instrument
1 Line input selector switch
2 Gain control knob
3 Level control knob
Get to know the controls
PC Loopback
1 Loopback switch
2 Level control knob
Get to know the controls
Monitoring
1 Power indicator lamp
2 Output peak indicator lamp
3 Signal indicator lamp
4 Monitor mute
5 Headphone volume knob
6 Headphone output jack
Get to know the controls
Inputs
1 USB port
2 USB power port
3 Line input jack (Hi-Z compatible)
4 Line input jack
5 Microphone input jack
Switchable Hi-Z/Stereo Input
Microphone Mute
Headphone Monitoring
Rugged Design
Plug-and-Play Operation
Simple Setup
The mixer comes with a USB-C to USB-A cable and USB-A to USB-C adapter for easy connection to your computer or mobile device. No drivers or software required. Simply plug your computer, mic, and instrument (if desired) into the mixer and start to create.
Feed multiple audio sources into a stream
Get Connected
Start with a condenser XLR microphone like the AT2020 or a dynamic XLR microphone like the AT2040. Next, connect a guitar or keyboard. Then use the intuitive controls and your favorite ATH-M50x headphones to mix the audio from the mic and one instrument into a single stream. Your mix will be sent to your stream audience exactly as you hear it.
AT-UMX3 Livestreaming USB Audio Mixer
Setup