ARX USB-I/O Stereo USB Direct Box (and Audio I/O)


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  • The ARX USB I/O features full transformer balanced Inputs and Outputs, providing the isolation required to eliminate earth loops / ground hum and other extraneous interaction noise and distortion. It installs as a fully compatible generic USB audio device, requiring no special driver program installation on Mac OSX, Win XP, Windows 7 and Vista. The front panel has Left and Right transformer balanced analog XLR Input and Output connectors that connect to any standard balanced analog inputs and outputs. On the rear panel there is a Type B USB connector, as well as a ground lift switch and a status LED that indicates the USB I/O is connected and operating.

    It is ideal for interfacing any USB equipped computer (especially notebook/laptop computers) with the balanced inputs and outputs of professional sound systems. Security features include Kensington®-type computer lock slot and optional bracket kit for under-table mounting.

  • Connector USB type B port
    Codec 24 bit, High Resolution
    Input Impedance 10 KOhms Transformer Balanced
    Output Impedance 300 Ohms Transformer Balanced
    Maximum Input Level Nominal 0 dB
    Maximum Output Level Nominal 0 dB
    Input/Output Noise USB - System dependent
    ISO transformer - Enviroment sensitive
    Frequency Response 20 - 20 KHz ± 0.5 dB
    Power Operating current via USB Port 80mA
    Input Connectors 2 x Female XLR, wired Pin 2 + Hot, Pin 3 – Cold. Pin 1 via ground Lift switch
    Output Connectors 2 x Male XLR, wired Pin 2 + Hot, Pin 3 – Cold. Pin 1 via ground Lift switch
    Construction All-steel polyurethane coated chassis, fibreglass PCB, epoxy printing, slip-resistant rubber base. Package includes a premium quality USB-A to USB-B cable
    System Requirements Windows PC running Windows XP, Windows 7 or 8, Mac running OS X or later
    USB port
    Audio software installed
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