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Radial USB-Pro 2-channel Active Instrument Direct Box

Radial USB-Pro 2-channel Active Instrument Direct Box

$279.99

or pay $46.67/month for 6 months* with the Providence Synchrony Card

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Radial Engineering USB-Pro – 2-Channel Active USB Direct Box

The Radial USB-Pro is a high-performance stereo USB interface and direct box designed to connect any computer directly to professional audio systems. With its plug-and-play simplicity, 24-bit/96kHz converters, and balanced XLR outputs, the USB-Pro ensures clean, noise-free playback of audio files in live, studio, or presentation environments.

Key Features

  • High-resolution 24-bit/96kHz digital-to-analog conversion

  • Plug-and-play operation, no drivers required (Windows & macOS)

  • Stereo balanced XLR outputs for direct connection to PA systems, mixers, or interfaces

  • 3.5mm headphone output for signal monitoring

  • Ground lift and isolation transformers to eliminate hum and buzz

  • Rugged steel chassis for professional touring and installation use

Applications

  • On Stage: Play stereo backing tracks or DJ sets directly from your laptop with pristine audio quality.

  • In the Studio: Transfer client files and monitor instantly with confidence in signal integrity.

  • Presentations & Events: Connect your laptop directly to the venue’s PA system for reliable, professional audio.

Specifications

  • Resolution: 24-bit / 96kHz

  • Inputs: USB (Class-compliant, no drivers required)

  • Outputs: 2x Balanced XLR (stereo), 3.5mm TRS headphone out

  • Ground Lift: Yes

  • Isolation: Transformer isolated

  • Construction: Radial heavy-duty steel chassis

  • Power: USB bus-powered

WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. 
For more information go to www.P65Warnings.ca.gov.

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