Maico MA 42


A lightweight, two-channel portable audiometer, the MA 42 has master hearing aid capabilities, as well as the ability to perform air, bone, speech and free field audiometric testing.

This Maico audiometer features a high-resolution color LCD display, perfect for displaying level, frequency, signal type, and other information.

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MA42 Supplies

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Air Conduction

Level Range: -10 to 120 dBHL, dependent upon transducer and selected frequency

Transducer: DD45

Optional: HDA300, Insert Phones, TDH39

Test Frequencies: 125 Hz to 8000 Hz

Optional: High Frequency 16,000 Hz

Bone Conduction

Level Range: -10 to 80 dBHL, dependent upon selected frequency BC

Transducer: B71 with headband

Test Frequencies: 250 to 4,000 Hz

Speech: Wave files, CD or live voice microphone

Test Signal: Pure Tone, Pulsed, Warble

Masking Signals: Narrow-Band Noise, White Noise, and Speech Noise

Tests: HL, UCL, Aided, Speech Reception Threshold, Word Recognition Score, Master Hearing Aid, and QuickSin™

Additional Tests (MA 42): MCL, SISI, Decay, ABLB, MLB 

Level steps: 5dB, 2dB, 1dB

PC-Interface: USB, NOAH Mod., MAICO Database

Display: High resolution color display, 640x480 pixels, 5.7”/ 14.5cm

Power supply: 100-240V ~ 50/60Hz ±10%

Size: 13.4”L x 7.9”W x 3.2”H (34.5cm x 20cm x 8cm)

Weight: 2.7 lbs / 1.5 kg

Lightweight and Portable

The small size and minimal weight make the change to MA 41 and MA 42 ideal for testing on the go.

Use the carrying case as your mobile office, where transducers remain plugged in for quick setup during transportation.



DD45 Headphones, B71 Bone Conductor, Patient Response Switch, Mic/Monitor Headset, SD Memory Card w/ Wave Files (2 GB), CD (Noah Audiometry Module w/ Maico Database) USB Flash Drive, Carrying Case.


High Frequency Option (HDA300 and High Tone License), Insert Phones, TDH39 Headphones, Monitor Phone, Sound Room Kit, SP90. Free Field Speaker Kit, SP90 Speaker Kit with AP70 Amplifier, Gooseneck Microphone (standard on the MA 42)


  • Air, bone and speech 2 channel audiometer
  • Mix signals and channels independently
  • Connection of one or two AC transducers, BC and free-field testing
  • Optional high frequency audiometry up to 16,000 Hz
  • Advanced diagnostic test functions
  • Full colorful display with simple icon-based screen design
  • Small footprint for ease of portability
  • Easy access to talk forward, talk back and monitor functions
  • License management center for easy upgrades
  • Direct printout of the results, store report as PDF or quickly transfer to MAICO Sessions PC software (included)
  • MAICO Sessions PC software connectable with OtoAccess® or Noah patient database for easy data management