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SM Pro Audio DI-1 Active DI Box

Model: SM DI1

  • No Longer Available at 
  • Not yet reviewed
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About: SM Pro Audio DI-1 Active DI Box

The DI1 is a compact high quality active direct injection box. Used in both studios and on the road it 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.


  • 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: 9 volt battery
  • Input Impedance: > 250k Ohm
  • Housing: Metal

UPC: 9333421700633 is a Canadian authorized SM Pro Audio retailer.

Reviews: SM Pro Audio DI-1 Active DI Box

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Warranty: SM Pro Audio DI-1 Active DI Box Warranty:

30 Days

Manufacturer's Warranty:

1 Year Warranty