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Time to read 7 min
The David Clark H9930 is a wireless headset designed for pilots who demand both comfort and performance. Its dual-ear, over-the-head design ensures a secure fit, while the hybrid boom with cord provides flexibility and durability. This headset is ideal for environments where clear communication is critical, thanks to its M-2H dynamic microphone.
One of the defining features of the H9930 is its compatibility with a wide range of parts, making maintenance straightforward. Whether you're replacing the ear seals or the headband spring, the H9930 is designed with ease of service in mind. This guide will walk you through the specifications, parts, and potential upgrades to keep your headset in top condition.
Our comprehensive guide covers everything you need to know about the H9930, from detailed parts lists to maintenance tips. Whether you're a seasoned pilot or new to the cockpit, understanding your headset's components can enhance your flying experience.
The H9930 is a wireless aviation headset designed for dual-ear over-the-head use.
It features a hybrid boom with cord, providing flexibility and durability.
The M-2H dynamic microphone ensures clear communication in high-noise environments.
Compatible with various parts from the H9930 series, ensuring easy maintenance.
Pilots HQ offers genuine David Clark parts for reliable performance and longevity.
Table of contents
The H9930 utilizes passive noise attenuation to provide a quieter cockpit experience. This is achieved through its circumaural ear cup design, which envelops the ears and creates a sealed acoustic chamber. The ear seals, made from high-quality materials, form a tight seal against the head, blocking out ambient noise effectively.
Over time, the effectiveness of noise attenuation can degrade, primarily due to the wear and tear of the ear seals. If you notice an increase in ambient noise, it may be time to replace the ear seals. The Undercut Gel Earseal (pair, part number 40863G-02) is a recommended replacement to restore optimal noise attenuation.
The David Clark H9930 and H9940 are both wireless headsets designed for aviation use, but they cater to slightly different needs. The H9930 is optimized for general aviation with its dual-ear, over-the-head design, providing comprehensive noise isolation and comfort. In contrast, the H9940 offers additional features tailored for specific aviation environments, such as enhanced microphone options.
For most pilots, the choice between the H9930 and H9940 will come down to specific cockpit needs and personal preference. Both models offer reliable performance, but the H9930 is often favored for its simplicity and ease of use.
Looking to make your David Clark H9930 even more comfortable? These two upgrades are customer favorites:
The Double-Foam Head Pad Kit enhances the comfort of the H9930 by providing additional cushioning. This upgrade is perfect for pilots who spend long hours in the cockpit and need extra support. The double-foam design distributes pressure evenly, reducing fatigue.
👉 Upgrade your H9930 for a more comfortable flying experience.
The Comfort-Gel Undercut Ear Seals are designed to improve the fit and seal of the H9930. These ear seals provide superior noise isolation and comfort, making them ideal for long flights. The gel material conforms to the shape of your ears, ensuring a snug fit.
👉 Consider this upgrade for enhanced noise reduction and comfort.
Keeping your H9930 in top condition ensures reliable performance and comfort on every flight.
At Pilots HQ, we believe our job isn't finished when you buy a headset. We go further by offering:
👉 With Pilots HQ, you're not just buying products — you're investing in long-term comfort, clear communication, and confidence every time you fly.
To replace the ear seals, remove the old seals and attach the new Undercut Gel Earseal (part number 40863G-02) by pressing them firmly onto the ear cups.
Check the microphone windscreen (part number 18792G-03) for blockages and ensure the M-2H microphone (part number 09168P-75) is securely connected.
Consider upgrading to the Double-Foam Head Pad Kit (part number 40688G-36) for enhanced comfort and support.
Yes, many parts such as the hybrid boom with cord (part number 18740G-36) are compatible with other models in the H9930 series.
The most common cause is a faulty comm cord assembly (part number 40599G-98). Check connections and replace if necessary.
Inspect the headband spring (part number 15671P-03) regularly and replace it if it loses tension or becomes deformed.
Pilots HQ Staff
At Pilots HQ, we’re more than just a store — we’re a crew of aviation enthusiasts and support staff dedicated to helping pilots and professionals get the gear and service they need. Our team shares insights, tips, and stories to keep you flying with confidence.
