Radial USB-PRO Stereo Direct Box for Laptops

Product Price MSRP: $336.00
$279.99
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SKU:
USB-PRO
UPC:
676101040599
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Get Your Laptop Connected to a Pro Audio System

Radial Engineering USB-Pro is a stereo USB laptop DI that provides high definition conversion and a simple plug-and-play solution for connecting your Mac or Windows computer to your PA system or mixer. Additionally, an integrated headphone amplifier allows convenient signal monitoring on the DI.

USB-Pro features two balanced 3-pin XLR outputs that can feed mic or line level inputs thanks to the unit's convenient level control. Auto-sensing USB input automatically configures USB-Pro for digital input streams with resolutions up to 24-bit / 96 kHz. USB-Pro is powered by USB, so there's no need for batteries, phantom power or bulky power adapters. Activate the mono switch to check phase, reduce mixer channel count, or simplify signal duplication on the two XLR outputs.

If the hum or hum is caused by ground loops, you can use a side switch to insert an isolation transformer into the signal path. This is complemented by a ground lift switch that raises pin 1 of the XLR output to further reduce the effects of interference.

Heavy-duty 14-gauge steel construction combined with Radial's bookend design ensures reliability on the road, while anti-skid pads provide mechanical and electrical isolation.

Radial USB-PRO Features

  • High Performance 24bit/96kHz digital audio converter
  • Plug & Play, no drivers required
  • 3.5mm headphone output to test signals
  • Balanced XLR outputs to feed a mixer or PA
  • Audio circuit type: Custom decoder with analog line drive
  • Frequency response:5Hz - 40kHz (30Hz - 18kHz with isolation)
  • Dynamic range: >90dB
  • Gain: +8dBu
  • Total harmonic distortion:0.01%
  • Output Impedance: 250Ω nominal
  • Noise Floor: -90dB
  • Maximum Output: +8dBu
  • Combatibility: Software compatibility: Windows XP/Vista/Win7/Win8/Win10 and Mac OS, Sound file compatibility: WDM, MME, CoreAudio, DirectSound, WASAPI and .WAV
  • Mono Sum, Ground lift, Level Control, Headphone
  • Input Connectors: USB connector B-type
  • Output Connectors: 2 x XLR-M, 3.5mm headphone output
  • Extras: USB 1.1 full speed, Sampling Rate: 44.1kHz / 48kHz / 96kHz auto sensing, 75dBu stereo separation
  • Construction: 14-gauge steel
  • Size (L x W x D): 0" x 3.3" x 2" (127 x 84 x 48mm)
  • Weight: 5 lb (0.68kg)
  • Power: USB bus powered 500mA maximum

Radial USB-PRO Downloads

Manual - As of 4/11/2023



Product documents are provided as a courtesy and may not reflect the most up-to-date information. Please contact us for the most up-to-date information.

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