Radial Engineering USB-Pro – Stereo USB Laptop DI with 24-bit Conversion
The Radial Engineering USB-Pro is a high-quality stereo USB DI box designed to connect any Mac or Windows computer directly to a professional PA system or mixing console. With plug-and-play operation, 24-bit/96 kHz digital audio conversion, dual XLR outputs, and built-in headphone monitoring, it delivers clean and reliable audio for live performances, presentations, DJ sets, and playback applications. Rugged Radial construction ensures years of noise-free operation on stage or on the road.
Key Features
-
24-bit / 96 kHz USB audio interface: High-resolution digital-to-analog conversion for clean, accurate playback.
-
Stereo balanced XLR outputs: Feed professional mic or line inputs with level control for precise gain staging.
-
Plug-and-play operation: Works instantly with Mac and Windows without drivers.
-
Mono sum switch: Helpful for phase checks, mono PA systems, or splitting signals.
-
Ground lift & transformer isolation: Eliminates hum and buzz caused by ground loops.
-
Integrated headphone amp: Monitor your signal directly from the DI.
-
Rugged 14-gauge steel housing: Radial’s bookend design protects connectors and switches.
Customer Benefits
The USB-Pro ensures your computer audio translates perfectly to any professional sound system. Whether you're a live performer, AV technician, DJ, or presenter, you get clean, hum-free playback with the reliability Radial is known for. No drivers, no power supply—just plug in and go.
Quick Specs
-
Type: Passive USB stereo DI with digital conversion
-
USB Input: USB Type-B (bus powered)
-
Resolution: Up to 24-bit / 96 kHz
-
Outputs: 2× XLR balanced (mic or line level)
-
Controls: Output level knob, mono sum switch, ground lift
-
Isolation: Optional transformer isolation via side switches
-
Monitor: 3.5mm headphone output with volume control
-
Construction: 14-gauge steel chassis with no-slip pad
What’s in the Box
- Radial Engineering USB-Pro
- USB cable
- User documentation
Use Cases / Ideal For
Live shows, corporate presentations, DJ playback, church services, AV installations, backing tracks, streaming, and computer-based audio playback.
Compatibility
Works with macOS and Windows without drivers. Connects to any mixer, PA system, powered speaker, or audio interface via standard XLR.
Pros & Cons
✅ Pros:
- High-quality 24-bit/96 kHz audio output
- Eliminates hum and noise through isolation
- Extremely rugged build for touring
- Built-in headphone monitoring
- No external power required
⚠️ Cons:
- Not a recording interface (playback only)
- Bulkier than lightweight consumer USB adapters
The Radial USB-Pro is the industry-standard USB DI for clean, noise-free computer audio on any stage—available now at Soundium.
