AT-UMX3

Compact USB Audio Mixer for Streaming
Feature-rich desktop mixer ideal for livestreaming, gaming, podcasting, or home music production.

Plug-and-Play USB Connectivity
Connects directly to computers or mobile devices with no drivers required; supports USB-A and USB-C.

Professional-Grade A/D Conversion
Delivers high-resolution audio up to 24-bit/192 kHz for crystal-clear mic and instrument sound.

Flexible Input Options
Equipped with XLR/TRS combo input for microphones, 1/4" Hi-Z input for guitar, and stereo 1/4" line input for keyboards.

Loopback Function for Streaming Audio
Combines mic, instrument, and computer audio into a single mix and sends it back to your computer for live streaming.

Headphone Monitoring with Volume Control
Monitor your mix in real time with a dedicated headphone output and independent level control.

Mic Mute and Monitoring Control
Quickly mute mic audio or mute the mic in headphones only, without affecting the outgoing stream.

Phantom Power Support
+48V phantom power available for condenser microphones via XLR input.

Noise-Resistant Design
Engineered to minimize interference from smartphones, routers, and other nearby electronics.

Rugged and Portable
Small footprint with matte finish and solid construction which is ideal for desktop setups.

Visual Feedback
Includes peak, signal, and power indicator lights for at-a-glance system status.

Included Accessories
Comes with USB-C to USB-A cable and USB-A to USB-C adapter for flexible connection options.

Cross-Platform Support
Compatible with Windows, macOS, iOS, iPadOS, and Android systems.

Dimensions and Weight
127 × 131 × 44 mm; weighs only 334 g (12 oz)

General Specifications
Model: Audio-Technica AT-UMX3
Type: USB Livestreaming Audio Mixer
Finish: Black Matte
Dimensions: 127 mm (W) × 131 mm (D) × 44 mm (H)
Weight: 334 g (12 oz)

Audio Performance
A/D Conversion: Up to 24-bit / 192 kHz
Frequency Response: ±1.5 dB (20 Hz to 20 kHz with loopback ON, max USB input level, medium monitor volume at 1 kHz)
Phantom Power: +48 V
Power Consumption: Max. 2.5 W

Inputs
Mic Input: XLR/TRS combo jack (supports dynamic and condenser mics)
Instrument Input: 6.3 mm (1/4”) Hi-Z (GUITAR)
Keyboard Input: 6.3 mm (1/4”) L/MONO + R
USB Stereo Input: USB 2.0

Outputs
Headphone Output: 3.5 mm (1/8”) stereo mini jack
USB Stereo Output: USB 2.0

Power Supply
USB-C Bus Power: 5 V, 500 mA
USB-C Power Input (power only): 5 V, 500 mA

Monitoring:
Phones volume control
Monitor mute switch
Signal (SIG) and Peak indicators
Power status LED
Headphone jack (front panel)

Control:
Loopback ON/OFF switch
Microphone mute button
Independent gain and level knobs per input
Line/Instrument toggle switch for instrument input
LED indicators for signal status, clipping, and monitoring mute

Connectivity & Compatibility
USB: USB Type-C (USB 2.0, high speed)
Operating Systems Supported:
Windows 10, 11
macOS Catalina, Big Sur, Monterey, Ventura
iOS 16.4.1
iPadOS 16.4.1
Android 10–13

Included Accessories
USB Type-C to USB Type-A cable (1.5 m)
USB Type-A to USB Type-C adapter

Use Cases
Livestreaming
Podcasting
Home studio recording
Game audio + voice integration
Instrument + microphone mixing for online content