Sennheiser HDA300 specifications
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Description
The HDA 300 is a pair of closed dynamic headphones designed for use with audiometers.
- High passive ambient noise attenuation
- Equipped with two mono plugs
- Soft, replaceable ear pads
- Single-sided cable
| Specification | Value |
|---|---|
| Connector | 2 Mono-Jacks; Green: -L, yellow: +L, red: +R, blue: -R |
| Frequency response (Headphones) | 20 Hz - 20,000 Hz |
| Characteristic SPL | 117dB at 1kHz, 0.5V |
| Contact pressure | 8.8N ± 0.5N |
| Ear coupling | circumaural |
| Connection cable | approx. 2.2m |
| Transducer principle | dynamic, closed |
| Weight | incl. cable: 490 g |
| Nominal impedance | 23 Ohm |
| Load rating | 500 mW |
| Max. Input voltage | 3.5 V, < 10 min |
| Compliance | IEC 60645-1, IEC 60645-2, ANSI S3.6-2010 |