Sennheiser HDA 280

HDA 280 Headset for audiometry - Position-independent audiometer headphones
- Excellent reproducibility of measurements
- Soft, exchangeable ear pads
- Space-saving design with collapsible, rotating ear-pieces
- Comfortable to wear due to exchangeable headband padding
- Single-sided, exchangeable cable
- Core assignment: green: +L, copper: -L, red: +R, copper: -R
- Type approved by the German Physikalisch-Technische Bundesanstalt (PTB) as per IEC 60645-1
- Measurements of ETSPL-values for the HDA 280 headphones are published in International Journal of Audiology; Poulsen, T., Oakley, S.: Equivalent threshold sound pressure levels (ETSPL) for Sennheiser HDA 280 supra-aural audiometric earphones in the frequency range 125 Hz to 8000 Hz. International Journal of Audiology, vol 48, page 271-276, 2009