Audioport personal listening system amplifies surr
Product Description
Audioport personal listening system amplifies surr
- The A 200 is a stereo personal sound amplifier for people who may sometimes need to rely on artificial assistance for their hearing.
- Two year warranty
The HDA 200 headphones from Sennheiser provide reference-quality audio ideal for testing and calibration applications. Dynamic drivers provide a wide frequency response, suitable for high frequency audiometry. FEATURES: Very high passive ambient noise attenuation (based on PELTOR hearing protectors) Excellent reproduction of readings Suitable for high frequency audiometry, independent of positioning Soft, replaceable ear pads Padded headband for increased comfort Single-sided cable The HDA 200 complies with IEC 60645-1Audiometric reference data for HDA 200 is included in two ISO standards: ISO 389-5: Acoustics - Reference zero for the calibration of audiometric equipment-Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz (ISO/TR 389-5:1998) ISO 389-8: Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones (ISO 389-8:2004); German version EN ISO 389-8:2004
