David Clark 9AN/3SP Shielded Mic Ground Support Headset | 12777G-01
The David Clark 9AN/3SP is a dual-ear, over-the-head headset designed for high-noise environments where reliable communication and noise isolation are essential. Ideal for ground support, flight deck operations, and industrial applications.
Over-the-head, dual-ear design for balanced comfort and full coverage
Shielded muff-style microphone ensures clear communication up to 130 dB
Integrated push-to-talk (PTT) switch with waterproof cover for controlled transmission
Ribbed foam headpad and foam-filled ear seals provide extended-wear comfort
Durable 19-foot straight cord with waterproof A529 connector for rugged use
Engineered for extreme noise environments such as aircraft ramps and industrial zones
The David Clark 9AN/3SP (Part No. 12777G-01) is built for professionals operating in the most demanding audio environments. The shielded microphone muff isolates voice input, allowing for clear transmission even in the presence of aircraft engines or heavy machinery noise. The dual-ear configuration enhances hearing protection while ensuring clear incoming audio.
The headset includes an integrated PTT switch mounted on the microphone muff for quick, deliberate communication. Comfort features like a ribbed foam headpad and cushioned ear seals support all-day wear, while the long, waterproof-capped cord and corrosion-resistant plug allow for secure connections in harsh environments. Whether used on the flight line, tarmac, or industrial sites, the 9AN/3SP delivers high-performance communication where it matters most.
Part Number: 12777G-01 (9AN/3SP)
Headset Style: Over-the-head, dual-ear
Microphone: Shielded muff mic, dynamic
Mic Control: Integrated push-to-talk (PTT) switch
Cord: 19-foot straight cord
Connector: Waterproof A529 plug
Comfort Features: Foam ear seals, ribbed headpad
Noise Environment: Rated for use in areas up to 130 dB
Use Cases: Ground support, aircraft deck crews, industrial operations
I normally wear an xl for 95% of my shirts. I ordered a 2XL in this just to be safe. STILL too small. Sizing is crazy. You can do better. Charge me for a correctly sized shirt, I don’t care! But don’t do this.
I’m NOT taking a pic.