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Radial USB-PRO Stereo USB Laptop Direct Injection Box (Used)

SKU: RAD-ACC-USBPRO-BA Category:
Radial
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Condition: Used

Condition: Like New

$251.99 $279.99

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Like New: Open box product with no signs of use.

High Performance 24bit Digital Audio Converter Direct Injection Box

The Radial USB-Pro is a high-resolution stereo digital audio converter (DAC) and direct box that is designed to connect to any computer system to seamlessly transfer digital audio to analog. A stereo pair of balanced XLR audio outputs with adjustable level control then feeds the signal to a microphone preamplifier, PA system, mixing console or even a powered speaker! Made for plug and play simplicity, the USB-Pro will automatically be listed as an available sound card in the audio settings in all popular operating systems including Windows XP, Windows 7/8, and Mac OSX.

Connection to a computer is accomplished through a standard USB type-B port. Digital-to-analog conversion can be monitored on headphones through the 3.5mm analog output to check signal quality and level before connecting to a sound system. A mono-sum switch may be engaged to check for phasing or for connection to a mono system. Should hum or buzz caused by ground loops be encountered, two recessed side-access switches allow the user to insert isolation transformers into the signal path. To further reduce susceptibility to noise, this is augmented with a ground lift switch that lifts pin-1 on both XLR jacks.

As with all Radial products, the USB-Pro is designed to handle the rigors of professional touring. Our unique book-end design creates protective zones around the switches, connectors and controls to keep them out of harm’s way. Inside, our time-tested I-beam construction assures the sensitive internal PC board will not torque, which could cause premature part failure. Finally, a full bottom no-slip pad provides mechanical isolation and electrical insulation to ensure quiet operation.

Key Features

  • High performance 24bit digital audio converter
  • Ready to use without the need of a driver
  • 3.5mm analog headphone output to check signal
  • Balanced Lo-Z outputs with switchable isolation

Technical Specifications

Audio circuit type: Custom decoder with analog line drive
USB compliance: USB 2.0 full speed
Bit depth: 24bit (16bit capable)
Sampling rate: 44.1kHz / 48kHz / 96kHz auto sensing
Sound file compatibility: WDM, MME, CoreAudio and DirectSound
Software compatibility: Windows XP/Vista/Win7/Win8 and Mac OS
Frequency response: 5Hz ~ 40kHz (30Hz ~ 18kHz with isolation)
Dynamic range: >90dB
Noise floor: -90dB
Maximum gain: +8dBu
Total harmonic distortion: 0.01%
Stereo separation: 75dBu
Output impedance: 300 Ohm nominal

Radial USB-PRO Stereo USB Laptop Direct Injection Box (Used)

SKU: RAD-ACC-USBPRO-BA Category:

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