Omron AK-04 In-The-Ear Ultra-Compact Hearing Aid

The Omron Hearing Aid AK-04 is an ultra-compact, lightweight in-the-ear (ITE) device designed for individuals with slight hearing loss or hearing difficulties. Below is a detailed overview of its features and specifications:

Key Features:

• Ultra-Compact and Lightweight Design: Fits easily in the ear, ensuring comfort even during prolonged use.

• Improved Ear Tip Filters: Newly designed ear tips with filters prevent clogging, enhancing sound quality and device longevity.

• Easy Operation: Simply insert into the ear and push the switch to turn on.

• Adjustable Volume: Volume can be tailored to individual needs for optimal hearing assistance.

• No External Wires: The device operates without any external wires, offering a discreet hearing solution.

• Convenient Carry Case: Includes a carry case for safe storage and portability.

Technical Specifications:

• Standard Frequency: 2500 Hz

• Maximum Acoustic Gain: 29 ± 5 dB

• Maximum Output Sound Level (90 dB Input):

  • 500 Hz: 108 dB
  • Peak: 117 dB max

• Equivalent Input Noise: 29 dB max

• Total Harmonic Distortion:

  • 1600 Hz: 3% max
  • 800 Hz: 4% max
  • 500 Hz: 4% max

• Battery Type: PR-41

• Battery Life: Approximately 260 hours

• Battery Current: 0.7 mA max

• Unit Weight: Approximately 1.8 g (including battery)

• Unit Dimensions: 13.5 mm (W) x 24.9 mm (H) x 10.3 mm (D)

Additional Information:

• Suitable For: Individuals with slight hearing loss; not recommended for severe hearing loss.

• Included Accessories:

  • Carry case
  • Screwdriver with brush for volume adjustment and cleaning
  • Battery
  • Eartips in three sizes (Small - pink, Medium - blue with vent, Large - green with vent)
  • Instruction manual