Personal USB Audio Mixer

AT-UMX3

Overview

AT-UMX3

Designed as a personal USB audio mixer, the AT-UMX3 is the perfect tool for all streamers and podcasters who are looking for a simple and reliable solution that delivers high-quality, professional results.

This plug-and-play mixer allows you to connect your favorite microphone and musical instruments, all while providing a loopback function so you can easily add in your in-game or PC audio directly to your livestream mix.

With its compact design and intuitive layout, you’ll always have complete mix and monitoring controls ready at your fingertips.

Accessible mixing

Loopback Function for Live-Stream Mixing

Easily mix your in-game or Windows PC/MAC audio directly to your live-stream with the convenient loopback function.

USB connection

Plug-and-Play Connectivity

Connect directly to your Windows PC, Mac, smartphone or tablet* without any additional software required.*

*When used with smartphones or tablets, power must be supplied from an external power supply such as an AC adapter.
*ASIO driver, software application for programming music, etc. is not included.

XLR/6.3mm Combo Jack

Stream your PC Audio

Switchable Hi-Z/Stereo Input

Compact, Rugged Design

Multiple inputs

Made for Musicians

With a Neutrik XLR/6.3mm combo microphone jack (with 48V phantom power), switchable Hi-Z (guitar/bass) or stereo input (eg keyboard), you’ll be able to connect your favourite instruments and microphones, all with their own separate mix controls.

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

Introducing the Personal USB Audio Mixer

Optimised compatibility

Engineered for Audio-Technica Microphones

The AT-UMX3 features specially designed microphone pre-amp that is optimised for the Audio-Technica 20 series, ensuring you get the best results every time you go live.

At the touch of a button

Complete Audio Control

The AT-UMX3 offers maximum control all while taking up minimal space on your desk. Conveniently mute your mic with the touch of a button, adjust gain, levels and personalize your monitor mix.

Features

Plug-and-play USB connectivity
Neutrik XLR/6.3mm combo microphone jack (with 48V phantom power) and switchable Hi-Z guitar or stereo keyboard input
Loopback functionality for livestreaming PC audio
High-performance A/D converter with a resolution up to 24 bits/192 kHz
Separate gain and level controls for microphone and guitar or keyboard inputs
Convenient microphone mute button
Output peak and signal indicator lights
6.3mm headphone output
Advanced noise-resistant design
Includes USB Type-A to USB-Type-C adapter and USB Type-C – USB Type-A cable

Specifications

Mixer
Input Terminals	MIC: XLR/TRS combo jack LINE (GUITAR): 6.3 mm (1/4”) standard jack (Hi-Z) LINE (KEYBOARD): 6.3 mm (1/4”) standard jack, L/MONO and R USB STEREO INPUT
Output Terminals	HEADPHONE OUT: 3.5 mm (1/8”) stereo mini jack USB STEREO OUTPUT
USB	USB 2.0, High Speed
Sampling Frequency	Max. 192 kHz
Bit Rate	16 bit / 24 bit
Frequency Response	USB input → monitor output: ±1.5 dB (20 Hz to 20 kHz) (with loopback ON, max. USB input level, and medium monitoring volume (at 1 kHz))
Power Supply	USB-C bus power: 5 V, 500 mA
Power Consumption	Max. 2.5 W
Dimensions	127 mm (5”) × 131 mm (5.2”) × 44 mm (1.7”) (W × D × H)
Weight	334 g (12 oz)
Finish	Matte
Supported OS	Windows: Windows 10, Windows 11 macOS: macOS Catalina, macOS Big Sur, macOS Monterey, macOS Ventura iOS: 16.4.1 iPad OS: 16.4.1 Android OS: 10, 11, 12, 13
Accessories Included	USB cable (1.5 m (4.9'), USB Type-C to USB Type-A), USB conversion adapter (USB Type-A to USB Type-C)