FD3_FAQ

Technical support for FD3/FD3 Pro

In here you could find the introduction, resources download, troubleshooting or after-sales service of FD3/FD3 Pro.

2026-08-27
1. How many drivers does the FD3/FD3 Pro have?
2026-08-27
2. What is the included cable made of? Is the cable interchangeable?
2026-08-27
3. What are the accessories included with the FD3/FD3 Pro? What are the differences between different ear tips? How to choose the suitable ear tips?
2026-08-27
4. What is the tuning style of the FD3/FD3 Pro?
2026-08-27
5. How to exchange the earphone cable of the FD3/FD3 Pro?
2026-08-27
6. How to use the MMCX assist tool?
2026-08-27
7. What are the differences between the 2 sizes of sound tubes? And how to change it?
2026-08-27
8. How to distinguish between the left and right channels?
2026-08-27
9. How do the appearance and structure of the FD3/FD3 Pro improve its sound performance (the small hole on the front cavity, semi-open acoustic design, front acoustic prism)?
2026-08-27
10. What's the shell material of the FD3/FD3 Pro?
2026-08-27
11. How to attach/detach the cable's plug of the FD3 Pro?
2026-08-27
12. What's the difference between the FD3 and FD3 Pro?

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How to use the MMCX assist tool? How to attach/detach the cable's plug of the FD3 Pro?

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