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| 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 guarante card |
