Specification

Digigram UAX220 Sound Card

The Digigram UAX220 USB Sound Card is highly recommended by Inta Audio.  The Digigram UAX220 Sound Card is the first professional USB Audio interface that has been specifically designed for broadcast and other demanding pro audio applications. Featuring 2/2 high-quality balanced analogue I/Os, it combines Digigram's acclaimed audio performance with the ease of use of standard USB Audio.

As a true plug-and-play device, a single Digigram UAX220 is the ideal solution for users with multiple computers; for example a laptop computer on the road and a desktop computer in the newsroom or studio.

When connected to the USB port of a computer, UAX20 is automatically recognised as an USB Audio-compliant device and is immediately operational. Neither a specific driver nor an external power supply are needed.

Digigram UAX220 Applications

Broadcast (newsroom, mobile journalist workstation)
Live performance (theatrical playback, special effects, sound system calibration)
Logging, legal recording, and archiving
DJ applications
Music production

Digigram UAX220 Key features

* 2/2 high-quality balanced analog line inputs and outputs
* Dedicated headphone output stage with independent level control for low impedance headphones
* Professional Neutrik™ XLR connectors and Neutrik™ headphone jack with lock
* Zero-latency direct monitoring
* USB Audio compliant
* Powered through USB (no external power supply needed)
* Supported operating systems: Windows XP, Mac OS X, Linux
* DirectSound, Core Audio, ALSA, and Virtual PCX management. ASIO management via third-party interface.
* Buttons for volume setting and monitoring on the device enable fast, intuitive control.
* Delivered in a convenient flat bag

UAX220 technical specfications

Configuration

Bus/Format	USB 1.1, compatible 2.0
Size	144 mm X 87 mm X 34 mm Integrated USB cable: 1.5 m Integrated audio cable: 0.75 m
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%

Inputs

Analog line inputs (mono)	2 balanced*
Maximum input level/impedance	+22 dBu**/+10dBu / >10 kΩ (switchable)

* can be used with unbalanced signals
** limited to +15 dBu in unbalanced

Outputs

Analog line outputs (mono)	2 servo balanced ***
Maximum output level / impedance	+10 dBu/ <100 Ω
Programmable output gain	by steps of 1 dB, from -60 dBr to +10 dBr**
Other outputs	1 stereo headphones out with dedicated output stage and level adjustment knob (Maximum output power/minimum load: 2*40 mW / 32 Ω)

* limited to +15 dBu in unbalanced
**converter gain N/A, reference value : 0 dBfs equals 0 dBu
***electronically servo-balanced outputs provide automatic level adjustment to accommodate either balanced or unbalanced lines

Connectors

External connectors

Standard USB type A for connection with computer 2 Neutrik™ XLR-3 female for line inputs 2 Neutrik™ XLR-3 male for line outputs Locking ¼'' Neutrik™ cable jack, female, for headphones output

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, 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 direct monitoring through DSP Mixed with playback to line and headphone outputs
Monitoring control	On/off and mono/stereo

Analog audio performance
mesured at Fs=48 kHz unless stated otherwise, with filter on the 22 Hz - 22 kHz range

Frequency response (record + play)	20 Hz - 20 kHz: ±0.3 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 (A-weighted)	Input: <-98 dB Output: <-97 dB Loop: <-93 dB
Crosstalk (Analog in or out)	1 kHz at 24 dBu: <–110 dB 15 kHz at 24 dBu: <–95 dB

Environments

OS supported	Windows XP, Windows 2003 Server, Mac OS X, Linux
Management	Depending on the host operating system’s implementation of the USB Audio specification: DirectSound, Core Audio, ALSA
Additional management	Digigram np SDK through Virtual PCX, Third-party Asio driver

Inta Audio recommends the Digigram UAX220 USB Sound Card by Digigram

The Digigram UAX220 USB Sound Card offers great value for money, features, build quality and reliability.

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