The dbx Di1 is a compact high-quality active direct injection box. Ideal for both studios and on the road, the Di1 will ensure audio signals reach their intended destination in both a balanced format and free from unwanted noise.


Connect the output from electric guitars, bass amplifiers, keyboards, etc., directly to a console mixer without the use of a microphone.


Built for toughness and reliability, the Di1 has all the features of a fully featured gig-ready workhorse DI unit.


Recommended for: Studio, Tour, Portable.

  • Level and impedance matching function
  • Output impedance: > 600 Ohms
  • Signal pass through connector
  • Output connector: XLR balanced
  • Battery LED indicator
  • Distortion: (THD) < 0.005% at 1kHz, 0dBu
  • Phantom power LED indicator
  • Max Input: +12dBu (at 0dB) Level +32dBu (at -20dB) +52dBu (at -40dB)
  • Output Noise: <-100dB unweighted
  • TS and XLR inputs and outputs
  • Frequency response: 10Hz to 70kHz, +0dB/-3dB
  • Attenuation control
  • Phantom Power: +18 volts DC to +48 volts DC
  • Ground lift switch
  • Main/Standby: 9V battery
  • Input Impedance: >250k Ohm
  • Metal Chassis
  • TS and XLR inputs and outputs
  • +12dBu (at 0dB) Level +32dBu (at -20dB) +52dBu (at -40dB)
Input Impedance> 250k Ohm
Max Input+12dBu (at 0dB) Level +32dBu (at -20dB) +52dBu (at -40dB)
ConnectorsTwo Parallel 1/4" jack connectors and a parallel XLR connector (unbalanced), 1/4" Jack: Tip Hot, Sleeve Ground; XLR Jack: Pin 2 Hot, Pins 1 & 3 Ground
Output Impedance> 600 Ohms
Output ConnectorsXLR balanced
Distortion(THD) < 0.005% at 1kHz, 0dBu
Output Noise<-100dB unweighted
Frequency Response10Hz to 70kHz, +0dB/-3dB
Main/Standby9 Volt battery
Phantom Power+18 Volts DC to +48 Volts DC