Radial
Radial USB-Pro Stereo USB Direct Box
Radial USB-Pro Stereo USB Direct Box
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USB Laptop Direct Box
The USB-Pro is a high-resolution stereo digital audio converter and direct box that is designed to connect to any computer and seamlessly convert digital audio tracks to a pair of balanced analog outputs.
Connect your laptop to a pro audio system
Whether you are playing backing tracks on stage, giving an audio presentation, or performing the role of DJ at an event, the USB-Pro is the easiest way to provide a high-quality, noise-free connection between a laptop and any sound system. Designed for plug-and-play simplicity, only a standard USB Type-B cable (sold separately) is required to connect your laptop and the USB-Pro. It requires no proprietary drivers to operate. Once connected, the USB-Pro will automatically be listed as an available sound card in the audio settings of all popular operating systems, including Windows and Mac, and transport audio via 24bit/96kHz digital-to-analog converters to ensure signal quality is maintained. A stereo pair of balanced XLR outputs allows you to connect to a microphone preamplifier, PA system, mixing console, or even a powered speaker, with an on-board level control for quick and easy volume adjustments. Should any noise be encountered, ground lift switches are provided, and isolation transformers can be inserted into the signal path to eliminate hum and buzz from ground loops, for a clean connection to the PA.
| Specifications | ||
|---|---|---|
| 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 | |
| Features | ||
| Mono Sum, Ground lift, Level Control, Headphone | ||
| Input Connectors: | USB connector B-type (USB cable not included) | |
| 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 | |
| General | ||
| Construction: | 14-gauge steel | |
| Size (L x W x D): | 5.0" x 3.3" x 2" (127 x 84 x 48mm) | |
| Weight: | 1.5 lb (0.68kg) | |
| Power: | USB bus powered 500mA maximum | |
| Conditions: | For use in dry locations only between 5°C and 40°C | |
| Warranty: | Radial 3-year, transferable | |
