RDB104 Quad Active Direct Box

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Each channel of this powerful impedance matching device features two paralleled 1/4\" inputs (one on the front, one on the rear), an input level control, and an electronically balanced XLR output. The output section features a 30 dB Pad, and a Ground Lift switch.

RDB104 Quad Active Direct Box

  • Four channels of active impedance matching
  • Input Level control
  • Switchable 30 dB Pad
  • Switchable Ground Lift


  • Input Impedance: 100 K Ohms
  • Output Impedance: 100 Ohms balanced
  • Max. Output Level: +22 dB (Pad out)
  • Gain: infinity to 0 dB
  • Power: 120VAC (230VAC) 15VA
  • Dimensions: 1.75" X 6" X 19" (89mm X 162mm X 482mm)
  • Weight: 6 lbs. (2.72 Kg)