David Clark DC ONE-X, GA med Bluetooth

Features:

• Hybrid Electronic Noise Cancellation with advanced feed-forward and feed-back technology provides best-in-class active noise reduction
• Digital Signal Processing (DSP) ensures high-fidelity audio for superior communications and music listening
• Bluetooth wireless technology provides seamless integration for connecting to cell phones, MP3 players, tablets or other smart devices
• Stereo/mono switch - compatible with all aircraft audio panel configurations
• High performance, electret microphone with enhanced noise cancelling
• Rugged yet lightweight alloy headband and suspension system is adjustable for personalized fit
• Low profile, Outlast fabric head pad with vented design absorbs excess heat to keep you cool and eliminates hot spots
• Over-the-ear, leatherette ear seals with slow recovery foam cradle the ears in comfort and provide a snug, secure seal
• Compact, in-line control module with backlit, touch-key user interface controls On/Off, Bluetooth wireless technology and volume control
• Control module powered by two (2) AA batteries for up to 50 hours of use
• Collapsible, folding design for compact storage in David Clark headset bag (not included)
• Weight (without cord assembly) 12.3 oz.
• TSO-C139a approved
• 5 year warranty

Technical Specs:

• Ear coupling: around-the-ear (circumaural)
• Hardware: lightweight alloy
• Connector type: standard dual GA plugs
• Connection cable: 0.155" (4 mm) diameter, OD shielded cable, length approx. 6 ft. (1.8 m)
• Weight w/o cable: approx. 12.3 oz. (349 g)
• Battery life up to 50 hours (2 AA batteries, not included)
• Operating temperature: -20° C to +70° C
• Operating voltage: 3V DC (2x AA)
• Dome type: ABS
• Characteristic SPL: approx. 95 dB SPL (1 kHz, 1 mW) @ maximum volume nominal
• Contact pressure approx. 1.4 lb. (6.2 N)
• ENC peak attenuation: 30 dB @ 150 Hz
• ENC attenuation range: 20 Hz - 1 KHz
• Total harmonic distortion (THD): < 1% - 110 dB SPL (300 - 3,000 Hz)
• Ear Transducer principle: dynamic
• Ear Impedance: 150 mono / 300 stereo (each ear)
• Ear Freq Response: 12 - 15,000 Hz
• Microphone principle: pre-polarized condenser microphone (electret), noise-cancelling
• Mic Impedance: 150 nominal
• Mic Sensitivity 400 mV +/- 6 dB into 150 load @ 1kHz for 114 dB SPL input
• Mic Freq Response: 150 - 8,000 Hz
• Mic DC Supply Voltage: 8-16 V, not polarity sensitive
• Source Resistance: 470