Sennheiser HDA 300 Closed Dynamic Foldable Headphones for Audiometers

The Sennheiser HDA 300 headphones are expertly designed for audiometric applications, providing precise sound reproduction and excellent repeatability of readings. Ideal for pure - tone air conduction and speech audiometry, these headphones are perfect for high - frequency audiometry. The robust and foldable design ensures easy portability and storage, making them suitable for both clinical and field settings. With high passive ambient noise attenuation, patients hear only what they are supposed to, free from external disturbances. The headphones come with soft, replaceable ear pads and two padded headbands for enhanced comfort during long testing periods.

Features

• High Frequency Audiometry: Especially suitable for high frequency audiometry.
• Precise Sound Reproduction: Ensures accurate and repeatable readings.
• Foldable Design: Compact and portable, ideal for smaller storage spaces.
• High Passive Ambient Noise Attenuation: Patients hear only the test sounds, minimizing external noise interference.
• Immediate Use: Equipped with two mono plugs for quick setup.
• Comfortable Fit: Soft, replaceable ear pads and two padded headbands for extended comfort.
• Single-Sided Cable: Prevents tangling and ensures ease of use.

Specifications

• Frequency Response: 20–20,000 Hz
• Transducer Principle: Dynamic, closed
• Nominal Impedance: 23 Ohms
• Characteristic SPL: 104 dB at 1 kHz, 1 mW
• Nominal Load: 500 mW
• Ear Coupling: Circumaural
• Contact Pressure: 8.8 N
• Weight (with cable): Approx. 450 g
• Connection Cable: Approx. 3 m, single-sided
• Compliance: IEC 60645-1, IEC 60645-2, ANSI S3.6-2010