David Clark H8535 Headset Parts Guide & Illustrated Catalog

David Clark H8535 Headset Parts Guide & Illustrated Catalog

Written by: Pilots HQ Staff

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Time to read 6 min

Keep your H8535 flying strong with our complete breakdown of features, parts, and upgrade options.

The David Clark H8535 is a pro audio headset designed for high-quality sound and durability. Its defining feature is the dynamic microphone with a 150 Ohm impedance, ensuring clear communication even in noisy environments. This makes it ideal for professional audio applications where reliability and sound clarity are paramount.


What sets the H8535 apart is its robust construction and compatibility with various audio systems, thanks to its XLR connector. The headset is built to withstand the rigors of professional use, making it a trusted choice for those who demand the best in audio performance.


This guide will cover everything you need to know about the H8535, from its specifications and noise attenuation capabilities to maintenance tips and available upgrades. Whether you're looking to replace a part or enhance your headset's comfort, we've got you covered.

The H8535 is a pro audio headset with a dynamic microphone and XLR connector.

Features a 150 Ohm M-2H microphone for clear communication.

Includes a flexible mic boom assembly for optimal positioning.

Compatible with a wide range of audio equipment due to its XLR connector.

The headset's robust design ensures durability in demanding environments.

Why Pilots Love the David Clark H8535

  • Dynamic microphone with 150 Ohm impedance ensures clear audio transmission.
  • Flexible mic boom assembly allows for precise positioning and comfort.
  • Robust design suitable for demanding professional environments.
  • XLR connector provides compatibility with a wide range of audio equipment.
  • Durable components like the headband spring (part number 15093P-03) ensure longevity.
  • Comfortable ear seals, such as the undercut gel earseals (part number 40863G-02), enhance wearability.
  • Easy maintenance with available parts like the comm cord kit (part number 40599G-66).
  • Trusted by professionals for its consistent performance and reliability.

Specs at a Glance

  • Model Number: H8535
  • Microphone: M-2H Dynamic Microphone, 150 Ohm
  • Design: Over-ear
  • Part Number: 40689G-03

Noise Attenuation (Passive)


The H8535 employs passive noise attenuation through its circumaural design, which envelops the ear to create a sealed acoustic chamber. This design helps in reducing ambient noise, ensuring that the audio remains clear and uninterrupted. The ear seals play a critical role in maintaining this seal, with the undercut gel earseals (part number 40863G-02) being a popular choice for replacement when the original seals wear out.


Over time, the effectiveness of noise attenuation can degrade due to wear and tear on the ear seals. If you notice a decline in noise reduction, replacing the ear seals is a cost-effective solution to restore the headset's original performance. Regular inspection and timely replacement of these components can help maintain optimal noise attenuation.

What's the difference between the David Clark H8535 and H8532?

The David Clark H8535 and H8532 are both part of the pro audio series, but they cater to slightly different needs. The H8535 features a dynamic microphone with a 150 Ohm impedance, making it suitable for environments where clear audio transmission is crucial. In contrast, the H8532 is designed with a surround-the-ear configuration and a dynamic mic, offering a different fit and audio experience.


Parts Compatibility

  • Both models share common components like the headband spring (part number 15093P-03) and the undercut gel earseals (part number 40863G-02).
  • The comm cord kit (part number 40599G-66) is specific to the H8535, ensuring compatibility with its unique audio setup.

For those who prioritize audio clarity and compatibility with professional audio systems, the H8535 is the preferred choice. Its robust build and dynamic microphone make it ideal for demanding applications.

Illustrated Parts Catalog

David Clark H8535 Parts Diagram
David Clark

David Clark H8535 Parts List

  1. Retaining Ring (10/pk) — 09464P-02
  2. Headpad Restraint, Foam — 40266G-01
  3. Right Dome — 15253P-04
  4. Dome Filter (1 each) — 26475P-02
  5. Earphone Assembly — 10376G-89
  6. Screw/Grommet Kit (4 pk) — 18900G-47
  7. Dome Filter (1 each) — 25629P-03
  8. Filter (1 each) — 14096P-09
  9. Undercut Gel Earseal (pair) — 40863G-02
  10. Filter (1 each) — 26475P-08
  11. Overhead Cord Assembly — 22607G-01
  12. Headband Spring — 15093P-03
  13. Headpad Assembly — 18900G-45
  14. Stirrup & Clamp Kit — 22378G-15
  15. Clip, Cord (4/pk) — 15350P-02
  16. Left Dome — 15253P-09
  17. Boom Attachment Kit — 12840G-19
  18. Mic Boom Assembly — 18740G-34
  19. Microphone M-2H (150 OHM) — 09168P-76
  20. Mic Protector — 40062G-06
  21. Comm Cord Kit — 40599G-66

H8535 Item # 1 - 12

H8535 Item # 13 - 24

Electrical Schematic

David Clark H8535 Electrical Schematic

Comfort Upgrades Worth Considering for Your David Clark H8535

Looking to make your David Clark H8535 even more comfortable? These two upgrades are customer favorites:

Double-Foam Head Pad Kit (40688G-36):


The double-foam head pad kit offers enhanced comfort for long listening sessions. Its dual-layer foam provides superior cushioning, reducing pressure on the head and ensuring a snug fit.


👉 Ideal for professionals who wear their headsets for extended periods.

Comfort-Gel Undercut Ear Seals (40863G-02):


The comfort-gel undercut ear seals are designed to provide a better seal and reduce pressure around the ears. They enhance noise isolation and comfort, making them a worthy upgrade for those seeking improved audio experience.


👉 Perfect for users who prioritize comfort and sound quality.

Maintenance Tips for Your David Clark H8535

  • Regularly inspect the ear seals (part number 40863G-02) for wear and replace them to maintain noise attenuation.
  • Check the headband spring (part number 15093P-03) for tension and replace if it loses elasticity.
  • Keep the microphone and boom assembly clean to ensure clear communication.
  • Inspect the comm cord kit (part number 40599G-66) for any signs of damage or wear.
  • Store the headset in a protective case to prevent damage when not in use.

Maintaining your H8535 ensures it remains reliable and comfortable for every use.

Adapters for the David Clark H8535

Accessories for the David Clark H8535

Genuine David Clark Parts, Fast Shipping

At Pilots HQ, we believe our job isn't finished when you buy a headset. We go further by offering:

  • Expert Education: Guides, blogs, and resources that explain how to care for and get the most from your David Clark H8535, including maintenance tips and parts breakdowns.
  • Maintenance Reminders: Helpful tips on when to replace ear seals, cords, and head pads to keep your H8535 comfortable, reliable, and ready for every flight.
  • Trusted Inventory: Only genuine David Clark headsets, adapters, and replacement parts — no imitations.
  • Fast, Reliable Shipping: Get what you need quickly, so your flying isn't delayed by missing parts.
  • Pilot-Focused Service: Our team understands aviation and is here to help you choose the right headset, adapter, or replacement component for your aircraft and mission.

👉 With Pilots HQ, you're not just buying products — you're investing in long-term comfort, clear communication, and confidence every time you fly.

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David Clark Company

What should I do if my H8535 microphone isn't working?

Check the mic boom assembly (part number 18740G-34) for any disconnections or damage. Replace if necessary.

How can I improve the comfort of my H8535 headset?

Consider upgrading to the double-foam head pad kit (part number 40688G-36) for enhanced comfort.

Why is my H8535 headset not providing adequate noise attenuation?

Inspect the ear seals (part number 40863G-02) for wear. Replacing them can restore noise reduction capabilities.

Can I use parts from the H8532 on my H8535?

Some parts like the headband spring (part number 15093P-03) are compatible, but check each part for specific compatibility.

What should I do if the audio is only coming through one ear?

Check the comm cord kit (part number 40599G-66) for any damage or loose connections.

How often should I replace the ear seals on my H8535?

Replace the ear seals (part number 40863G-02) every 6-12 months or when they show signs of wear to maintain performance.

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Pilots HQ LLC.

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.