From Reddit saved post — r/FiiO, u/reiterizpie, Apr 02 2026 https://www.reddit.com/r/FiiO/comments/1saho2g/fiio_eh11_modded_with_35mm_headphone_jack/ https://preview.redd.it/u4nf7jqn6ssg1.jpg?width=1645&format=pjpg&auto=webp&s=579cb2d97c0c93b4bf3338d9cf285ebfd596247f https://preview.redd.it/mntiwiqn6ssg1.jpg?width=3840&format=pjpg&auto=webp&s=f2c718bf71058256d08986bef8e69986f5a0285b https://preview.redd.it/v9t7fjqn6ssg1.jpg?width=1514&format=pjpg&auto=webp&s=5e3cfd4e31dd5d9be1494e9b7b1cfc2f78a9f063 So a week after buying my EH11 weeks ago, I immediately modded a 3.5mm headphone jack. I wouldn’t call it the easiest mod but it wasn’t super hard thankfully. They sound pretty close to stock which is remarkable. My initial impression after I did this was that they used pretty good drivers! I hope Fiio can deliver on a low latency Bluetooth mode with an update like their marketing materials said it had, but honestly nothing beats a wire, especially for longevity! Some things to keep in mind: * Don't obstruct the wheel mechanism that I labeled in the photo and don't let any metal touch it, don't want to stop the wheel from working. * You will have to angle the 3.5mm headphone jack to get it into a good enough position so that the cable isn't jutting outward towards your face or backwards towards your back. * There's plenty of space inside, but the smaller the port the better. This will help with positioning. * The Mic is easily accessible and I bet you could get a TRRS jack in there and probably a removable mic port if you wanted to get interesting. That's something I hope to do in the future with a black EH11. * Bluetooth audio and 3.5mm audio can be played at the same time, which is cool. Volume takes a bit of a dip.