Sescom SES-DIPRO Studio-Quality High Fidelity Passive Direct DI Box

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The Sescom SES-DIPRO is a studio-quality, passive direct box that's designed to connect high-impedance or line-level unbalanced signals to low-impedance, microphone-level balanced inputs. Built with high-fidelity circuitry in a rugged, extruded-aluminum case, the SES-DIPRO is perfect for both studio and stage applications.

The unit is equipped with a 3-position attenuation switch (0 dB, -20 dB, -40 dB) to help ensure that overly hot signals won't overload the input. A ground lift switch and a phase-select switch are also included on the unit. The Loop Out jack is a pass-through for connecting your instrument to an amplifier for localized monitoring.



  • Passive Operation
  • High-Fidelity Circuitry
  • Balanced/Unbalanced Sensing at Input
  • Ground Lift Switch
  • Phase Select Switch
  • 3-Position Attenuation Switch
  • Heavy Duty Construction
  • Loop Out Jack



  • Input Connectors: 1 x 1/4" TS High-Impedance (Unbalanced)
  • Output Connectors: 1 x Neutrik XLR-M Mic-Level (Balanced) 1 x 1/4" TS Loop Out (Unbalanced)
  • Input Impedance: 66kΩ @ -20 dB / 75kΩ @ -40 dB / 800kΩ @ -60 dB
  • Output Impedance: 1kΩ
  • Frequency Response: 20 Hz to 20 kHz +/- 0.25 dB
  • Controls: 3-position Attenuation Switch: -20 dB, -40 dB, -60 dB / Phase Select Switch / Ground Lift Switch
  • Dimensions (LxWxH): 5.4" x 3.2" x 1.9"
  • Weight: 313g