Rolls DB25-B Direct Box with Ground Lift

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The DB25 from Rolls is a transformer balanced, passive direct box. It features a Ground Lift switch for hum elimination, and an Attenuator switch for padding the input signal by 20dB, or 40 dB. Padding the input signal provides a way to connect the DB25 to a line level signal, even a speaker level signal and connecting it to a balanced line or Mic input on a mixer. The two 1/4" inputs are paralleled for guitarists to pass-through their input signal to a tuner or preamp.


  • Frequency response 50 - 15K Hz + -3 dB
  • Output imp. 600 ohms
  • Input Impedance 50K ohms
  • Max output level 10 dBm
  • Polarity + Pin 2 hot (XLR)