e3 Diagnostics

Ready to purchase a screening audiometer, diagnostic audiometer or portable audiometer? e3 Diagnostics stands ready to meet your needs with responsive, unparalleled service. Our goal is to make it easier for you to do what you do best: care for patients using high-quality audiology equipment backed by superior service. 

We offer audiometers of all sizes and functionalities – from desktop audiometers that perform air, bone, and speech measurements to portable audiometers for on-the-go audiologists. Take a look at our wide variety of audiometers for sale and find the right one for you today!


The MA 27 is a state-of-the-art air conduction audiometer that ensures accurate and fast test results.

This Maico audiometer allows you to seamlessly switch between tone, pulse, and warble with the push a button, with frequency levels ranging from 250 Hz to 8000 Hz, and signal intensities spanning -15 dB HL to 90 dB HL.



MA27 Supplies


MA 27 Audiometry Quicktips

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We understand that you have a choice when it comes to choosing your equipment and are dedicated to providing you with the highest quality instrumentation available.Contact us now for your free, no obligation quote and discover why we are the preferred Authorized Distributor and Service Provider to the world’s leading manufacturers.  (Completing our online form does not sign you up for electronic advertising.)


Frequency Accuracy: +/- 1% maximum 

Rise/Fall Time: 35 msec

Distortion: 0.5% typical, 2.5% maximum

Crosstalk: -100 dB minimum

On/Off Ratio: Greater than 80 dB

Frequency Modulation: +/-5% frequency modulating rate at 5 Hz

Frequency Range: 125 Hz to 8000 Hz

Hearing Level Range: -10 to 100 dBHL, in 1 and 5 dB steps

Dimensions: 10“ W x 6“ H x 14.5“ D - 25.5 cm W x 15 cm H x 37 cm D

Weight: 5.28 lbs/ 2.4 kg ( with all accessories)

Power Supply: External, 5 VDC, MA 100-240 VAC

Stimulus: Continuous, pulse, warble

Carefully Engineered for Accuracy 

State-of-the-art audiometric circuitry ensures accurate, fast test results. Switch between tone, pulse or warble by simply pressing a button. Large, fingertip control knobs provide access to a full range of frequencies and hearing levels.

  • All-in-one sturdy case with built-in handle and storage
  • Continuous, pulse, warble tones
  • Easy fingertip operation of frequency and hearing level controls