SENNHEISER HMEC 461 HEADSET

Gifts_Over--500_SENNHEISER-HMEC-461-HEADSET

Pilot headset with closed headphones and NoiseGard(tm) active noise cancellation. Wired for stereo or mono operation. Control unit provides: in-line dual volume control, audio in, cell phone in, switch for NoiseGard on/off, switch for mono/stereo, switch for boom left/right and 2-colored status LED. NoiseGard powered by two AA batteries. Features plush leatherette, collapsible headband with extra-soft ear cushions on distinctive brushed silver, lightweight ear cups. 25 dB passive, 16 dB active noise cancellation for use in very noisy aircraft environments. Noise-canceling electret microphone may be worn on either side.

Delivery Includes:
HMEC 461 Carrying case for headset and accessories Cable clip MZQ 2002-1 Wind and popscreen MZW 45 User manual Audio cable with 2x 2.5mm stereo jacks

Features

• Ear pads and headband in leatherette design
• Highest wearing comfort
• Superior audio quality
• Noise-compensated boom microphone for superior speech transmission
• Control unit provides the following features: volume control, audio in, cell phone in, switch or NoiseGard™ on/off, witch mono/stereo, switch boom left/right, 2-coloured status-LED
• HMEC 460 variant with battery module only (no XLR-3 connector)
• Can be used as conventional headphones when supply voltage for NoiseGard™ is switched off
• 10 year warranty
• Combines state-of-the-art technology with unique wearing comfort-the optimum solution for the noisy cockpits of propeller and turbo-prop aircraft.

Specifications

• Attenuation (active + passive): >25 – 40 dB
• Connector NoiseGard™ supply: 2 AA batteries
• Connection cable: Single-sided round cable, length 5.2 ft. (1.6 m)
• Connector (headphones): 6.3 mm stereo jack
• Connector (microphones): PJ-068 (5.25 mm) equivalent
• Contact pressure: 8 N, approx.
• Ear coupling: Around-the-ear, closed
• Frequency response (headphones): 20 – 20,000 Hz
• Frequency response (microphone): 300 - 5,000 Hz
• Max. sound pressure level (active): 120 dB
• Nominal impedance: 400/300 Ù, mono; 600/600 Ù stereo
• Operating temperature: -15°C... +55°C
• Operating time (battery): 30 hours, approx.
• Output voltage: 400 mV ± 3 dB 114 dB/SPL (as per. RTCA/DO 214)
• Storage temperature: -55°C... +70°C
• Total harmonic distortion (THD): <1%
• Transducer principle: Dynamic
• Transducer principle: MKE 45-1 bipolar, electret, noise compensating
• Weight w/o cable: 13.1 oz. (370 g)

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