Radial USB-Pro 2-channel Active Instrument Direct Box

Stereo USB Laptop DI with 24bit/96k Converters, Two Balanced Outputs Balanced lo-Z Outputs with Switchable Isolation, and Built-in Headphone Amp
Radial USB-Pro 2-channel Active Instrument Direct Box image 1
Radial USB-Pro 2-channel Active Instrument Direct Box image 1
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Radial USB-Pro 2-channel Active Instrument Direct Box
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The Best Way to Get Laptop Audio Into a Sound System!

If you've ever tried connecting the headphone jack of a computer directly into a sound system, you know that buzz, hum, and interference can completely ruin the experience. With Radial's USB-Pro Stereo USB Laptop DI, you connect to your Mac or PC via USB (no driver necessary) and get crisp, clear 24-bit/96kHz audio quality. Two balanced XLR outputs let you connect with mixers and PA systems, giving you noise-free sound even over long cable runs. The USB-Pro is so effective, at Sweetwater, we feel it belongs on every stage and in every public auditorium!

Radial USB-Pro Stereo USB Laptop DI Features at a Glance:
  • Eliminates the hum and buzz from computer headphone/line outputs
  • High-performance 24bit/96k stereo direct box
  • Balanced stereo lo-Z output stays noise-free even over long cable runs
  • Connects to your laptop via USB
  • Lets you plug into balanced outputs via XLR cables
  • Driverless automatic install
  • Built-in headphone amplifier for monitoring
Connecting a laptop to a sound system? You need Radial's USB-Pro!

Additional Media

Radial USB-Pro Laptop DI Overview

Tech Specs

Type Stereo USB Laptop DI
Channels 2
Outputs 2 x XLR
Height 2"
Depth 3.3"
Width 5"
Weight 1.5 lbs.
Manufacturer Part Number R800 1050

Customer Reviews

Based on 4 reviews
Write your review

This thing is an absolute beast...

I like gear that is built to last, and I like not having to wrestle with driver/configuration issues and other loathsome, computer-related hindrances. The Radial USB-Pro ticks those two boxes. It is built like a tank and it works exactly as advertised, period. Simply connect it to a USB 2.0/3.0 port, kick back and wait sixty or so seconds. It is literally that quick and effortless. Radial states on their website that the included headphone output is for testing, not for listening to music. I would actually argue to the contrary; to my ears, it is as clean as it is LOUD. To discern any noticeable hiss, I would have to bring the volume knob well beyond the twelve-o-clock position, and by that point I'd have done irreparable damage to my hearing. Make use of it, but consider yourself warned. (Note that the knob does provide plenty of tension, as it should.) Of course, it'd be nice to have a USB cable included with the product, and I also would have preferred the digital input to be located anywhere else but the front. But overall, I can hardly complain given the sheer level of quality inherent. It is an affordable, indestructible, high-fidelity DAC... If such is what you require, get this without hesitation.

Best PC DI period

If you need to get audio out of your laptop and into a pro audio system, this DI cannot be beat. Best audio quality I have encountered and built like a tank. Plug and play and your on your way...
Music background: Audio Engineer

Just What I Was Looking For

It works with both Mac and Windows with barely any set up time. My computer speaker set up is way better than when I used the jack input. This is my second Radial purchase over the years, but I plan on getting a few more in the near future.

Another Great Radial DI product

As with all of the other Radial products I have used, this USB-Pro does everything with excellence. It has a great quality DAC, it is pure and simple plug & play setup with both Windows & Mac (I've used both), and it provides exceptional an exceptional and clean audio signal into any professional sound reinforcement system. Of course the nearly bulletproof enclosure ensures this unit will outlast just about every other piece of gear in the bag. Ditch the soundcard and 1/8" cable / adapters and go with the USB-Pro for a balanced, stereo signal to the mixing console!
Music background: FOH, DJ
See also: Direct Input Boxes, Radial, Radial Direct Boxes