Most of the Bluetooth over the ear adapters have less than stellar call quality, IMHO. I don't have the Fiios, but I have the KZ and the TRNs, and they wouldn't be my first (or 10th) choice for conference calls. I think it's the mic placement near the bottom, the ear is kind of in the way. Not sure if there are any neckband styles that would fit the IMRs. You can get a relatively inexpensive pair of TWS for that, with much better mics. Of course most don't have interchangeable tuning nozzles, but the SQ is fine for meetings.Question, has anyone ever tried using a bluetooth amp with your IMR IEMs, such as the FiiO UTWS3/UTWS5? I have several IMR IEMs now, so I'm considering converting one of them with a bluetooth amp to be used with my computer for conferences/meetings where I require a mic. All my wired IEMs that has a non-detachable mic cable are failing, so thinking about this as an alternative, i.e. using my old R1 Zenith with a UTWS3/UTWS5 to connect via bluetooth to my computer.
Edit: Doh! I meant sketchy call quality. The SQ is pretty good. Also, I use my 5k daily with my IMRs, sounds awesome.
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