Please see a rebuttal to MY other post. Phonak M-90-R’s CAN and DO work with BLUETOOTH all the way down BELOW 8 HZ!!
Thanks to FlashB1024, I asked the VA for my occlusion plugs and they’ve made my Quality of Life many times greater. Music sounds now, better than any $10,000 system, and it is also tuned to my ears. You do NOT need external headsets anymore, (except when the batteries go dead).
MY posts of HOW and WHY get perfect sound:
01/28/21 – DIY - Self Programming, How to Find Fitting Software
11/??/20 – Phonak Marvel: Can Bluetooth be turned off to reduce battery drain?
FYI — BOTH Green LEDs eventually went bad, and I had to send them both the the VA / factory for TWO WEEKS.