Portable Air-Conduction Audiometer

Type: Urology
Vendor: MA-25


Because it’s portable, the MA 25 is engineered to be tough and reliable. Take the MA 25 anywhere with confidence. User-friendly knobs make adjusting frequency and hearing levels easy. Simple push-button operation for right/left, pulse tone and warble.

The super-lightweight MA 25 weighs in at only 3.6 lb/1.6 kg. Small enough to hold in the palm of your hand! Tucked into its carrying case (included), the MA 25 is a small, light portable. 

Features and Benefits
  • Air conduction.
  • Runs on 3 AA batteries, or an AC adapter (included)
  • Continuous, pulse, warble tones.
  • Exceptionally lightweight, only 3.6 lb/1.6 kg.
  • Carrying case included.
  • Optional MA 25e extended function available
    • Automated Hughson-Westlake
    • Results recalled from internal memory following tests
    • Compatible with SNAP software
    • Included Patient Management Software
    • Includes patient response switch and & USB Cable
Materials Included
  • Audiogram pad
  • Operators manual
  • Carrying case
  • DD45 Headset Assembly
  • AC Adapter
  • Patient Response Switch (Included with MA25e)
  • USB Cable (Included with MA25e)
  • User Manual
Technical Specifications
  • Rise/Fall Time: .35 msec typical
  • Distortion: 0.5% typical, 3% maximum
  • Crosstalk: -100 dB minimum
  • On/Off Ratio: 90 dB minimum
  • Frequency Modulation: +/-5% frequency modulating rate at 5 Hz
  • Dimensions: 9” W x 2.25” H x 7.5” D, 23cm W x 6cm H x 19cm D
  • Weight: 3.6 lb/1.6 kg
  • Frequency Range: 125 Hz to 8000 Hz
  • Hearing Level Range: -10 dB HL to 100 dB HL
CPT Codes
  • 92551______Screening, pure tone
  • 92552______Threshold, air
Warranty Information
  • 1-Year Warranty