General Description
The HDA 280 is a pair of closed, dynamic headphones designed for use with audiometers.
Features
	Position-independent audiometer headphones
	Type approved by the German Physikalisch-Technische Bundesanstalt (PTB) as per IEC 60645-1
	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
Delivery Includes
	1 HDA 280 audiometer headphones
	1 unterminated cable (approx. 3m)
	1 spec sheet (German/English)
	1 guarantee card

Technical Data

Frequency response

Glossary

Glossary
 

Recommended Accessories
	Description	Product	Article No.
	hygiene pads	HZH 280	502419
	The HZH 280 are disposable hygiene pads to protect the earpads of the HDA 200 and HDA 280 audiometry headphones and the HME 100, HMEC 300 and HMEC 400 series aviation headsets. These half-transparent white single use pads can simply be pulled over the earpads. For applications where the same headphones have many different users, using the HZH 280 will help to ensure the highest possible standards of hygiene.

Variant
	Product	Article No.