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Radial Engineering Pro48 DI box with rugged metal casing and XLR connectors, used for professional audio signal processing.
  • Radial Engineering Pro48 DI box with rugged metal casing and XLR connectors, used for professional audio signal processing.
  • Radial Engineering Pro48 DI box with top view showing input and output connections for professional audio use.
  • Radial Engineering Pro48 DI box with input and output jacks, compact black metal enclosure, professional audio equipment for live or studio use.
  • Radial Engineering Pro48 DI box shown from the right side, featuring rugged metal casing and input/output connections for professional audio.
Radial Engineering Pro48
Radial Engineering

Radial Engineering Pro48

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€139,00
€139,00
VAT included • B2B ex VAT
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Supplier warehouse · 1 pcs.

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Radial Engineering Pro48 €139,00

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Radial Engineering Pro48 – Active DI Box for High-Output Instruments

The Radial Engineering Pro48 is a high-headroom active direct box designed for guitars, basses, and acoustic instruments with active pickups. Powered by 48V phantom power and built with Radial’s rugged construction, the Pro48 delivers clean, dynamic, and distortion-free signal transfer—ideal for stage, studio, and professional touring setups.

Key Features

  • High-performance active circuitry: Digital switching power supply increases headroom for clean handling of hot active signals.
  • Wide, linear frequency response: Maintains clarity and detail from low to high frequencies without harshness.
  • Selectable input pad: Prevents overload when using high-output instruments or boosted pedal signals.
  • Ground-lift switch: Eliminates hum and buzz caused by ground loops.
  • Road-ready construction: 14-gauge steel housing with Radial’s protective book-end design and internal I-beam chassis.

Customer Benefits

The Pro48 ensures your active bass, acoustic guitar, or high-output instrument always sounds natural, punchy, and noise-free. Its exceptional headroom prevents distortion, making it ideal for players who use onboard preamps, pedals, or powerful active electronics. Built for reliability, it’s a trusted choice for gigging musicians and professional engineers.

Quick Specs

  • Type: Active DI (phantom-powered)
  • Input: 1/4" instrument input
  • Output: Balanced XLR
  • Pad: -15 dB
  • Ground Lift: Yes
  • Frequency Response: 20 Hz – 18.5 kHz (linear)
  • Construction: 14-gauge steel, I-beam internal frame

What’s in the Box

  • Radial Engineering Pro48
  • User documentation

Use Cases / Ideal For

Active electric bass, acoustic guitars with onboard preamps, high-output pedalboards, keyboards, and studio or live sound reinforcement.

Compatibility

Works with any mixing console or audio interface providing 48V phantom power. Fully compatible with active instruments and line-level sources.

Pros & Cons

✅ Pros:

  • Huge headroom—no distortion with hot signals
  • Extremely rugged and reliable
  • Clean, natural tone for active instruments

⚠️ Cons:

  • Requires phantom power (not suitable for standalone use without it)
  • Not ideal for passive pickups—Radial J48 is better suited

The Radial Pro48 is a dependable, high-headroom DI that brings out the best in active instruments—available now at Soundium.
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