Handheld and rechargeable, the MAICO ERO•SCAN is an OAE hearing screener that produces fast, accurate, and reliable measurements on patients of all ages.

Available in two versions (Screener or Diagnostic), it provides automated, easy-to-read results in a PASS/REFER format in less than 30 seconds per ear.

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Measurement Type:

Distortion Product Otoacoustic Emissions (DPOAE)
Transient Evoked Otoacoustic Emissions (TEOAE)

Frequency Range:

Screener version:

DPOAE: 2.0 kHz to 5.0 kHz
TEOAE: 1.5 kHz to 4.0 kHz

Diagnostic version:

DPOAE: 1.5 kHz to 12.0 kHz
TEOAE: 0.7 kHz to 4.0 kHz

Stimulus Intensity Range:
DPOAE: 40 dB SPL to 70 dB SPL
TEOAE: 83 dB SPL peak equivalent (±3 dB)

Microphone System Noise:

-20 dB SPL @ 2 kHz (1 Hz bandwidth)/
-13 dB SPL @ 1 kHz (1 Hz bandwidth)

Length and Weight (Probe):

1 oz

Dimensions and Weight (Unit):

2.58” W x 1.23” D x 5.78” H
6.4 oz




  • Performing screening and diagnostic testing with TE and / or DPOAE
  • Fast automatic test with Pass / Refer and graphical test result display
  • Sharp, colored Organic LED Display
  • Direct evaluation via value and bar diagram Up to 12 frequencies displayed within the device, DP up to 12 kHz
  • 5 DP / 2 TE protocols with user customizable parameters (diagnostic version)
  • High noise immunity for operation in normal clinical environment
  • Lightweight, small earprobe
  • Environmentally friendly due to long life, rechargeable battery
  • Bluetooth® communication to optional printer and PC
  • Evaluation of results in PC