STI Stereo Transformer Interface


Item #: 03001360

The STI is designed for connecting the headphone output of an MP3 player, portable CD player or computer to a sound system and then operating them from the stage. The dual transformers in the STI allow true stereo interface and can provide full ground isolation. The volume control on the STI adjusts the XLR output volume making it particularly useful for rehearsal or situations without a sound system operator.


  • Dual isolation transformers
  • 1/8" (3.5mm) stereo input
  • Left and Right balanced mic level outputs
  • XLR output level control
  • Left and right 1/4" TRS line level outputs
  • Ground lift switch
  • Weight Unpacked: 0.67 lb(0.305 kg)
  • Weight Packed: 0.78 lb(0.355 kg)
  • Width Packed: 6"(15.24 cm)
  • Height Packed: 9"(22.86 cm)
  • Depth Packed: 2.875"(7.3025 cm)




  • Aaron Gillespie (The Almost)
  • Clint Black
  • Darrel Higham (Imelda May, Kat Men)
  • Ed Eason (Carrie Underwood)
  • James Bagshaw (Temples)
  • Justin Moore
  • Rory Clewlow (Enter Shikari)
  • Sean Long (While She Sleeps)
  • Simon Neil (Biffy Clyro)
  • Steve Earle

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