Precision Tools for Audio Professionals

Model Options

USB DI
Dual Channel unit only
(Click on image to enlarge)

Application and Installation Notes

More Audiboxes:

Iso Balancer
Iso De-Balancer
Iso Later
Iso Splitter
Iso Optimizer

Pro DI
AV DI
DI Preamp
Ear Driver
Minipressor
Audibox PSU

In keeping with our policy of creating essential audio interfaces, ARX is excited to present the new ARX USB DI - a true Plug and Play digital to analog pro audio interface. It removes the need to use any existing sound card outputs, with their inherent noisy environment and problematic grounding.

It features full transformer balanced output isolation to eliminate earth loops / ground hum and other extraneous interaction noise and distortion.

Plug and Play

The USB DI installs as a fully compatible generic USB audio device, requiring no special driver program installation on Mac OSX, Win XP and Vista.

The front panel has a Type B USB input connector and two transformer balanced analog audio XLR Line out connectors for connecting to any standard balanced analog input.

A status LED on the front panel indicates that the USB DI is connected and operating.

The USB DI is housed in a heavy duty all-steel chassis finished in attractive matt textured powdercoat, with hardwearing epoxy screen printing and slip resistant rubber pads. It is ideal for interfacing any USB equipped computer (especially notebook computers) with the balanced inputs of professional sound systems.
Security features include Kensington®-type computer lock slot and optional bracket kit for under-table mounting.

The USB DI is available in Dual Channel format, and is hand made in Australia

USB Di Schematic Diagram

Input Connector USB type B port

Output Impedance 300 Ohms Transformer Balanced

Output Level Maximum nominal output level 0dB

Output Noise
USB - System dependent
ISO transformer - Enviroment sensitive

Frequency Response 20 - 20 KHz ± 0.5 dB

Power Operating current via USB Port 80mA

Output Connectors
2 x Male XLR, wired Pin 2 + Hot, Pin 3 – Cold. Pin 1 Floating / not connected

Construction
All-steel powdercoated chassis, fibreglass PCB, epoxy printing,
slip-resistant rubber feet

System Requirements

• Windows PC running Windows 98SE, ME, XP or Vista
• USB port
• Audio software installed

98SE will need the Win 98SE CD Rom to install driver.