Inventis Drum Hearing Instrument Test Box
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Inventis Drum Hearing Instrument Test Box

Product Code: 11239

  • Inventis Drum is a hearing instrument test box (HIT) with a high ambient noise attenuation level 
  • Features all the standard tests aimed at evaluating hearing aids via air conduction 
  • Directly controllable through Maestro software and Noah compatible
  • Equipped with coupler and all adapters for any type of hearing aids
  • Test sequences compliant with IEC 60118-7 & ANSI S3.22 including: OSPL90, FOG50, I/O, Attack/Release, Frequency Response, Equivalent Input Noise, THD, Battery Drain & Telecoil
  • Engineered to maximize the attenuation of ambient noise and minimize internal sound reflection
  • Made of wood, featuring an egg-shaped internal chamber and, thanks to the sound-transparent foam at the bottom, offering a floating positioning of the hearing aid exactly in front of the speaker, Drum is the perfect test box for getting the highest quality test results
  • Dimensions: 12.4" W x 12.8 D x 8.7" H
  • Weight: 16.5 lbs
  • Connects to USB port of Windows® computer, the electrical grid, and it is ready to go. No drivers or software needed
  • Power Supply: 15V, 2A cont., through an external medical grade 100-240 vac 50/60 Hz power supply
  • Scroll down to Product Docs for more information 
  • Main Unit
  • Reference Microphone
  • Coupler Microphone
  • 2cc Coupler
  • Coupler Adapter for ITE, BTE, RIC
  • Putty for hearing aid adapter
  • BTE Coupler Tubes
  • Clips for BTE hearing positioning
  • Battery Simulators for 10A, 312, 13 & 675
  • Medical Grade Power Supply
  • USB Connection Cable
  • User Manual
  • Maestro Software Suite