Pre-Owned Radial ProD2 Stereo DI


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Pre-Owned Radial ProD2 Stereo 2-Channel Passive Direct Box

This is a pre-owned Radial ProD2,a full range passive direct box with a custom isolation transformer to eliminate noise, unlike an active direct box which would employ an electronic circuit to change impedance and balance signal. 

Since it's passive-transformer equipped, no power is needed which means less hum! 


  • Full range passive direct box
  • Isolation transformer eliminates noise
  • Very low harmonic and phase distortion
  • Compact and rugged design
  • Ideal for live sound and studio
  • Isolated XLR connectors eliminate chassis ground potential
  • Custom audio transformer on input provides 100% isolation to eliminate hum and noise-causing ground loops while maintaining signal integrity
  • Military spec PC board with full surface ground plane to reduce susceptibility to RF noise
  • High-grade switches - long life, high cycle for reliable performance
  • 14-gauge steel welded I-beam construction makes it virtually impossible to torque the PC board
  • -15dB pad reduces the level going in from loud sources that could overload the circuit and cause distortion
  • Book-end design creates a protective zone around the switches & connectors, indestructible 14-gauge steel construction
  • Full no-slip rubber bottom pad provides mechanical isolation, electrical insulation and prevents unit from sliding around
  • Balanced male XLR output connector, AES standard with pin-1 ground and pin-2 hot
  • Lift switch lifts the ground to pin-1 on both channels
  • Heavy-duty baked enamel finish for excellent durability and great looks for years

This item works well as described and is in good cosmetic condition showing only minimal wear. The padding on the underside is less than perfect, which can be seen in photos. 







2-Channel Passive Instrument Direct Box


2 x 1/4" 


2 x XLR, 2 x 1/4" thru




1.88" x 3.25" x 5"


1.95 Lbs

Type: Pro Audio