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Part #: 40614G-02

Model: H10-56HXL




David Clark


Headset-Mic, Over-The-Head

Part Number :
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  • Same headset can be used with optional panel mount (H10-56XP)
  • Dual volume controls let you adjust the level for each ear
  • Exclusive, patented flex/wire boom for easy, precise microphone placement
  • Super-soft head pad
  • Larger, yet lighter, undercut Comfort Gel ear seals
  • Pilot selectable Automatic Shut-Off feature
  • Coil Cord (5-foot extended) with a 10-pin quick release connector
  • Battery Power Module – One 9 volt battery for up to 25 hours of operation
  • Extremely effective at blocking out low-frequency sound associated with helicopters



Ear coupling: Around-the-ear Hardware: Steel
Earphone Plug: U-174/U Mic Plug: U-174/U
Connection Cable: ~ 5 ft. (1.5 m) coil cord Weight w/o cable: ~ 22 oz. (624 g)
Dome type: ABS Earphone Sensitivity: 90 dB SPL on flat plate coupler, re 1mW input @1KHz
Earphone Type: Dynamic (ENC) Ear Impedance: Monaural,150Ω nominal, stereo, 300 ohms nominal per side
Ear Freq Response: 100 – 5,500 Hz Microphone principle: M-7A Amplified Electret
Mic Impedance: 50Ω +/- 20% Mic Sensitivity: 400mV+/-6dB into 150Ω load @ 1kHz for 114dB SPL input
Mic Freq Response: 300Hz – 3.5KHz per RTCA DO 214 Mic DC Supply V: 8-16V, not polarity sensitive
Source Resistance: 470Ω    
Part Number: Description:
40614G-02 Headset-Mic, Over-The-Head, Helicopter


- Headset

NSN: 5965-01-447-6430

Price Condition Status

Click on a question below to see the answer. If you have a question about this model that is not answered below, please contact

In relation to NE (New) parts, many OEMs change their prices and availability without any notice to dealers or the industry. Therefore, through the REQUEST or RFQ indication, we ask that customers contact us for the most accurate price and availability.

In relation to SV & OH parts, the used parts aftermarket in the aviation industry is not an infinite supply. It is a dynamic, constantly changing market that is significantly affected by and susceptible to highs and lows in supply and demand. Therefore, although we attempt to, at times, we are unable to predict the exact moment when an item may be available. Once again, through the REQUEST or RFQ indication on our website, we ask that customers contact us for the most current and accurate price and availability.