Start your career above the clouds with the S1 Passive, a premium passive headset. It features superb passive attenuation that proves itself in daily use with single-engine and multi-engine propeller planes and helicopters.
Sennheiser’s cooperation with BMW DesignworksUSA has not only given the headset its unique design, it has also set new standards in the areas of safety and comfort. With ear pads specially designed for spectacle wearers, a contact pressure that is individually adjustable and a two-piece headband, the headset is always comfortable to wear even on long flights.
The ergonomic S1 PASSIVE control unit has a 3.5 mm jack socket to allow you to connect MP3 players or mobile telephones. You can keep listening to your music and talking on the phone, even above the clouds. For your safety, the audio signal of the player or mobile telephone is muted as soon as the tower contacts you.
Superb passive noise attenuation
Extremely comfortable to wear due to the adjustable contact pressure and ear pads specially designed for spectacle wearers
Well-balanced, low weight
Foldable ear cups
Excellent Audio Quality
ActiveGard™ safeguards your ears from volume peaks above 110 dB
Control unit with a 3.5 mm jack socket for connecting audio devices and mobile telephones
Connected audio device or mobile telephone is muted while communicating with the tower
‘Auto shut-off’ extends battery life
Made in Germany
Dimensions (single) 8.5 x 5.5 x 10 in
Weight (single) 13.8 oz
Dimensions (master carton) 23 x 10 x 11 in
Weight (master carton) 13 lbs
Master carton quantity 4
Transducer principle Dynamic, closed
Frequency Response (headphones) 100 - 18,000 Hz
Impedance (mono and stereo) (headphone) 140 Ohm
Characteristic SPL (headphone) 95 dB SPL at 1 kHz, 1mW
Characteristic SPL (headphone) 100 dB SPL at 1 kHz, 1V
Max. sound pressure level (headphone) 110 dB SPL at 1 kHz
THD, total harmonic distortion < 1% at 1 kHz, 95 dB SPL
Contact Pressure (headphone) Adjustable, approx. 6-9 N
Power Supply Two 1.5 V AA alkaline/lithium batteries or two 1.2V AA rechargeable batteries
Operating time Alkaline/rechargeable batteries: Approx. 200 hours
Operating time Lithium batteries: Approx. 220 hours
1 S1 PASSIVE headset
1 Transport case for headset and accessories
1 3.5 mm audio cable (OMTP-compatible)
1 3.5 mm adapter cable (AT & T compatible)
1 Cable clip
1 Wind and pop screen
1 Belt clip
1 Safety instructions and quick guide
Although I have not tried many headsets, my view is that these do not have a comfortable level of passive reduction. Also I could not get the phone connection to work reliably. The $100 headset (s) that I was trying to replace had great passive reduction and the cell connection worked great. I was really disappointed because I loved the looks, price and comfort of the S-1's. Consequently I returned them for the Telex 25XT which are great on passive reduction, very comfortable, and about $50 less. Not as stylish but you can't have everything.
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