Sennheiser HD 46-K1 Aviation Headphones

Sennheiser Updated: 2009-01-07 RSS
Sennheiser HD 46-K1 Aviation Headphones

These headphones are the ideal alternative to a boomset for all those who prefer to communicate using a hand-hald microphone. It offers superb wearing comfort, as the dynamic open headphones, weighing in at only 140 grams, are hardly noticeable.

The HD 46 incorporates peak level protection. It delivers reliable protection from excessive volume peaks of more than 110 dB during radio communication.

Features

* Extemely light weight
* Superb wearing comfort due to patended two-piece automatic headband and soft ear pads
* Flip-away headphone allows single-sided listening
* Single-sided cable, length 1.85 m, easy to exchange
* Volume peaks above 110 dB are eliminated
* ETSO/TSO approval C57a

Delivery Includes

* Headphones HD 46-K
* Cable clip
* User manual
* EASA Form 1

Technical Data

Transducer principle (Headphones): dynamic
Ear coupling: supra-aural, open
Frequency response (headphones): 20 - 14,000 Hz
Impedance: 600 Ohm
Characteristic SPL: 93 dB SPL (1 kHz, 1 mW) - 95 dB SPL (1 kHz, 1 V) (acording RTCA/DO-214)
THD, total harmonic distortion: < 1 % at 110 dB SPL (300 - 3,000 Hz)
Contact pressure: approx.. 3 N
Connection cable: single-sided roundc cable, length 1.85 m
Connector: 6,3 mm Jack
Weight w/o cable: approx. 140 g
Operating temperature: -10 °C... +55 °C
Storage temperature: -55 °C... +70 °C