« » • SOUND » Headphones - Noise Reduction » HN2500
Philips Noise Cancelling Headphone
Selling Points
- Compact electronics eliminate unwanted external noise by up to 70%.
- Create a perfect seal between your ear and headphone will significantly reduce unwanted background noise.
- Rubber caps have three sizes.
- For the most convenient neck strap wearing style, simply loop the cable over your head and hang the control box from your neck. The integrated cable slide provides added support.
- The miniature electronics are packaged into the specially designed small control box.
- Aeroplane adaptor included - use your own headphones to listen to in-flight entertainment.
- Audio jack adaptor included - enables use on equipment with either 3.5 or 6.5 mm jacks.
Technical Specifications
| Open accoustic system | |
| 50 - 1 | |
| 40 - 20 000 Hz frequency response | |
| 72 Ohm at 1 kHz impedance | |
| Neodymium magnet | |
| 15 mW maximum power input | |
| ˜10 dB at 300 Hz noise cancelling effect | |
| 9 mm speaker diameter | |
| Copper voice coil | |
| 1.2 m cable length | |
| 3.5 mm stereo connector | |
| 3.5 - 6.3 mm adapter plug | |
| 2 * 3.5 mm airline plug | |
| 1.5 V baterry R03/AAA |
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