DAVID CLARK X11 ENC (ELECTRONIC NOISE CANCELLING) PILOT HEADSET- DUAL PLUG

Description

Listed as used but could pass for NEW.... they are that clean ... rarely used... maybe three times... total...and a fresh set of AA batteries installed.... on a scale of 1-10... these are a 9.95.
Does not come with foam mic cover  and o-ring which is 4.00 just about everywhere.
...COMES AS PICTURED WITH QUICK REFERENCE BOOK AND THREE ADDITIONAL CABLES AND DAVID CLARK CARRYING CASE
Intelligently engineered, low-force, dual-hinge suspension assembly that provides optimum articulation and personalized fit
Super-lightweight headband handcrafted from genuine carbon fiber for maximum strength and durability
Low-profile, vented head pad to eliminate hot spots for long term comfort
Super-soft, fabric-faced, left/right-contoured, gel-filled ear seals that ensure maximum comfort and proper sealing
High-fidelity stereo ear phones with dual volume controls (stereo/mono switchable)
New dual voice coil ENC technology that reduces pilot fatigue
Appreciable passive attenuation and exceptional electronic noise cancellation (17-22dB)
Sleek, lightweight control unit powered by two AA batteries (averages 30 hours), monitored by a power indicator light, and with auto-shutoff capability
Cell phone/auxiliary music input (three accessory cords provided)
Noise-canceling M-77 microphone provides clear, crisp communications with a one-touch positioning flex-boom
Modern design to provide compact storage
A David Clark headset bag is included
David Clark X11 Folding ENC Headset
This state-of-the-art David Clark ENC X11 headset offers the very best in aviation headset comfort, quality, performance and durability.
Features of the David Clark X11 headset include:
Intelligently engineered, low force, duel-hinge suspension assembly that provides optimum articulation and personalized fit
Super-lightweight headband handcrafted from genuine carbon fiber for maximum strength and durability
Low profile vented head pad
Super-soft, fabric faced left/right-contoured gel-filled ear seals
High-fidelity stereo ear phones with dual volume controls (stereo/mono swichable)
New dual voice coil ENC technology that reduces pilot fatigue.
Sleek, lightweight control unit powered by two AA batteries (averages 30 hours)
Cell phone/auxiliary music input (3 cords included)
Noise-canceling M-77 microphone with one-touch positioning flex boom.
David Clark headset bag provided
Weight: 12 oz.
Stereo/Mono: Switchable
Mic Boom - Flexible Reversible
TSO'd - Yes
Active Noise Reduction - 22 db
Cellphone Interface - Yes
Power Source - Battery
Volume Control - Dual
Mic Type - Electret
Auto Shut-Off - Yes
Ear Seals - Gel
Made In - USA
Specifications of the David Clark X11 Aviation Headset:
Impedance:
Standard
NRR:
N/A
Earphone Type:
Dynamic(ENC) Dual Voice Coil
Noise-Canceling Mic:
M-77 Amplified Electret
Earphone Impedance:
225 Ohms +/-20% mono/ 450 Ohms +/-20% per side stereo
Mic Impedance:
50 ohms +/- 20%
Earphone Sensitivity:
90 dB SPL +/- 5 dB SPL with 1mW input to each earphone
Mic Sensitivity:
400mV RMS 6dB into 150 ohm load @ 1kHz for 114dB SPL input
Earphone Frequency Response:
350-3000Hz +/- 6dB with respon
Mic Freq Response:
300Hz--3.5KHz per RTCA DO 214
Earphone Plug:
6 Redel Connector
Mic Plug:
6 Redel connector
Boom Type:
Universal Flex
Cord:
5 ft.Straight
Headpad/Hardware:
Super lightweight w/ Carbon Fiber Headband
Weight/Headset Only:
12.2 o