I tested with a desktop PC and MacBook Pro 16" (2019). I did not have time to test everything, but at least I'm not finding any sound quality problems/differences other than sound cutting. There are two main problems: 1) some dongles have audio dropping/cutting problem (audio pops randomly), 2) all A2DP dongles have a very, very limited range (few meters or less with obstacles).ĭifferences between SBC, AAC, LDAC, aptX, aptX HD? There probably are differences, but so far I have not been able to hear any difference between those, nor have I been able to detect latency differences. It seems for example Avantree Leaf might have a greater range, but I need the controls so those won't work for me.Ī good A2DP (then one with the controls supported) adapter does not exist, or if it does, I haven't found it. I have not tested the audio transmitter type adapters (audio class device), which do not support "multimedia" controls (play/pause, volume etc.). ![]() ![]() For some reason a phone can manage a fairly reasonable connection to the headphones, much greater distance or obstacle immunity than any dongle can do. ![]() It has become clear to me that at least on Windows, the A2DP Bluetooth technology for headphones is not doing very well. ![]() I have now tested numerous USB Bluetooth dongles in order to find a reasonable, working dongle to be used with WH-1000XM4 with Windows 10.
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