Radial (R800 1105) Direct Box (Blue)


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What's in the box:

  • Radial Engineering Pro48 - Active Direct Box
  • Three (3) Year Warranty

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The Radial Pro48 is a compact high-performance 48V phantom powered active direct box designed specifically for todays high output instruments. The Pro48's innovative internal switching power supply significantly increases headroom producing less distortion while yielding a smooth, linear response that extends from 20Hz to well above 40kHz. This results in natural, uncolored signal that is as good or better than DI boxes costing several times more. The superior performance makes the Pro48 an ideal candidate for use with battery powered active basses and acoustic guitars that tend to overload other direct boxes.


  • High performance active direct box
  • Increased dynamic range and headroom
  • 48V phantom powered with switching supply
  • Ideal for acoustic guitar and bass

Specifications for the Radial (R800 1105) Direct Box

{ "Audio circuit type:" : "Proprietary analog circuit with low-noise op-amp", "Frequency response:" : "20Hz ~ 20kHz (± 1.5 dB", "Dynamic range:" : "99dB", "Total harmonic distortion:" : "0.001% @ 0 dBu", "Intermodulation Distortion:" : "0.002% @ 0 dBu", "Phase Deviation:" : "+28° at 20Hz

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