The Super Professional USB stereo interface for demanding voice recording applications

UAX220 v2

Don’t get fooled by its apparently complex name: the UAX220-V2 is a professional stereo USB Audio interface designed for the most demanding broadcasting applications that require high quality audio acquisition of analog sources. We made it USB audio compliant to be swiftly used on any kind of computer and third party software applications. A pure plug and play card, start broadcasting without the burden of installing an additional driver. Complex name, yet simply and highly efficient. 

UAX220v2 offers 2/2 balanced analog high-quality I/Os.

A compact and slender design with all of Digigram’s power and leading edge experience in audio performance. USB plug it, you are on air. Et voilà!

Plug and play

No driver, no burden. Straight to the point

Broadcast Quality

Hear that pristine sound? Yes, there is a direct connection to professional audio equipment (XLR, +22dBu max input level)

Low latency

Monitoring: Zero-latency hardware monitoring  mixed with playback to the line and headphones outputs

Key features

USB audio class 2.0: supported under Windows, Mac OS X, and Linux
2 balanced analog mono Inputs and Outputs
Switchable zero-latency direct hardware monitoring (mixed with the playback)


Incredibly easy to use

USB self powered and no driver to install

Pro to pro

Direct connection to professional audio equipment (XLR, +22dBu max input level)

Super versatile to work with

pick your favourite Windows, Linux, or Mac OSX

Less is more

Cost effective professional grade product(XLR, +22dBu max input level)


Supported OS / Environments
Supported operating systems:

  • Windows, 
  • Mac OS X, 
  • Linux

Management: Depending on the host operating system’s implementation of the USB

Audio specification (Compatible Drivers): 

  • DirectSound, 
  • Core Audio, 
  • ALSA

Additional management: Digigram np SDK through Virtual PCX Third-party Asio driver

Bus/Format: USB 1.1, compatible 2.0

Size: 144 mm X 87 mm X 34 mm, Integrated 

Power consumption: 500 mA max

Operating: temp / humidity (non-condensing): 0°C / +50°C • 5% / 90%

Storage: temp / humidity (non-condensing): -5°C / +70°C • 0% / 95%

External connectors:

  • Standard USB type A for connection with computer
  • 2 Neutrik™ XLR-3 female for Mic/line inputs
  • 2 Neutrik™ XLR-3 male for line outputs
  • Locking ¼” Neutrik™ female cable jack for headphones output
Audio I/Os

Analog line inputs (mono): 2 balanced 

Maximum input level/impedance: +22 dBu / >10 kOhms


Analog line outputs (mono): 2 servo-balanced

Maximum output level / impedance: +10 dBu / <100 Ohms

Programmable output gain: from -60 dBr to +10 dBr, by steps of 1 dB

Other outputs: 1 stereo headphones output with dedicated output stage and level adjustment

Maximum output power/minimum load: 2*40 mW / 32 Ohms

Audio Specifications
Sampling frequencies available: 32 / 44.1 / 48 kHz

A/D and D/A converter resolution: 24 bits

Supported audio formats: PCM (8, 16 et 24 bits, full-duplex)

Operating modes: Either selected by application or user-selectable at a fixed resolution  (modes selected via UAX Manager application)

Monitoring: Zero latency hardware monitoring mixed with playback to the line and headphones outputs

Monitoring control: On/off and mono/stereo push buttons

Analog audio performance
Frequency response (record + play): 20 Hz – 20 kHz: ±0.2 dB

Channel phase difference: 20/20kHz: <0.2°/2°

Dynamic range (A-weighted):

  • Input: >104 dB
  • Output: >104 dB

THD + noise 1 kHz at –1 dBfs:

  • Input: <-98 dB
  • – Output: <-97 dB
  • Loop: <-93 dB

Crosstalk (Analog in or out):

  • 1 kHz: <-110 dB
  • 15 kHz: <-95 dB



Where can I find the UAX220 driver ?

The UAX220 driver is embedded in Windows OS. The card is automatically recognized.

Can I use the UAX220 on MacOS

Yes, the USB audio card is detected as Core Audio device and can be used with Mac computers.