Related Manuals for Sennheiser HDC 451
Summary of Contents for Sennheiser HDC 451
- Page 1 HDC 451 GEBRAUCHSANLEITUNG INSTRUCTIONS FOR USE INSTRUCTIONS POUR L‘USAGE ISTRUZIONI PER L‘USO INSTRUCCIONES PARA EL USO GEBRUIKSAANWIJZING...
- Page 2 The sources of noise are many and diverse and, all too often, cannot simply be turned off. So, in noisy places, personal protection is the only remedy. With the system, Sennheiser have come up with an effective ® mobile NoiseGard solution.
- Page 3 Reduction of subjectively perceived noise level are dynamic stereo headphones which, in addition to transmitting ® NoiseGard mobile an audio signal, also electronically compensate low-frequency noise. This active noise compensation functions according to the physical principle that noise and „anti-noise“ (exactly reversed in phase) cancel each other out. So, now you can enjoy your music undisturbed, without having to turn the volume up so high that surrounding noise is completely drowned out.
- Page 4 At just 110 g, this „open-air“ stereo headphone with active noise compensation is extremely light and provides excellent wearer comfort. Sound coupling to the ear is directly on the ear. When you are wearing the HDC 451 you will still be able NoiseGard ® mobile to join in conversation - the voice of the person talking to you is scarcely changed, since the speech frequency is practically unaffected by compensation.
- Page 5 80 hrs. (batteries) approx. 20 hrs. (storage batteries) Display green LED as battery check Scope of delivery 1 headphone HDC 451 1 adapter to double mono jack plug 3.5 mm 1 adapter to stereo jack plug 6.3 mm NOTES helps to reduce ®...
- Page 6 Sennheiser elektronic KG Telefon: 05130/600-0 D-30900 Wedemark Telefax: 05130/6312 Printed in Germany Publ. 7/94 54526 / A02...