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AT-UMX3 Livestreaming USB Audio Mixer

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.

The AT-UMX3 is the simple solution for feeding multiple audio sources into a stream. Connect a condenser or dynamic microphone (with XLR or ¼" plug), guitar, and keyboard into this handy, all-in-one interface, then use the intuitive controls and a pair of connected 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.

If you’re looking to incorporate background music, game sounds, or other audio into your stream, you’ll appreciate the mixer’s loopback switch, which automatically mixes sound from your computer with the live mic and instrument audio – and outputs the complete stereo mix back to the computer for streaming.

Designed and tested by Audio-Technica’s pro audio engineers, the AT-UMX3 USB mixer comes with a USB-C to USB-A cable and USB-A to USB-C adapter for hassle-free connectivity, and features an advanced noise-resistant design to prevent the pickup of unwanted electronic noise from smartphones, Wi-Fi routers, and other sources.

Features:

• Compact, feature-rich livestreaming USB audio mixer provides high-quality sound for desktop audio production
• Plug-and-play connectivity to computer or mobile device (no special drivers required)
• High-performance A/D converter with resolution up to 24-bit/192 kHz provides crystal-clear output for voice and instruments
• Loopback function makes it easy to mix mic and instrument inputs with background music, game sounds, or other audio input from a computer – and send the stereo mix back to the computer for streaming
• Equipped with a single mic input (XLR or ¼"), two LINE inputs for guitar and keyboard, and USB-C input for connecting to a computer
• The XLR input provides power for condenser microphones, such as the legendary AT2020, and is compatible with all dynamic microphones, such as the AT2040
• Simple, intuitive controls for independent, real-time volume adjustment of each input
• Mute button enables quick muting of microphone without disrupting other audio inputs
• Headphone jack with volume control lets you monitor the mix
• Microphone monitor mute button allows mic audio to be muted only in the mix sent to connected headphones
• Advanced noise-resistant design helps deliver clean streaming audio
• Equipped with output peak, SIG, and power indicator lights
• Includes a USB-C to USB-A cable and a USB-A to USB-C adapter

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

Line / Instrument

• 1. Line input selector switch
• 2. Gain control knob
• 3. Level control knob

PC Loopback

• 1. Loopback switch
• 2. Level control knob

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

Inputs

• 1. USB port
• 2. USB power port
• 3. Line input jack (Hi-Z compatible)
• 4. Line input jack
• 5. Microphone input jack

Specifications:

• 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))
• Phantom Power: +48 V
• Power Supply: USB-C bus power: 5 V, 500 mA; USB-C (power supply only): 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), including protrusions
• 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)

Notes: For product improvement, the product is subject to modification without notice.