Well all I can say is, if you're considering using Amazon Music HD as a stream/download service on the M3U, be prepared for a massive bug where the physical PLAY button on the side doesn't work while the app is displaying. Contacted Shanling, who don't seem too bothered, as it never gets fixed...

Hi, I agree. Do you use Amazon Music HD with it?

Dear Shanling, I recently purchased the Shanling M3 Ultra, and it sounds great. However, there is a problem when using the Amazon Music HD app. The physical play button on the side does not respond, (pause or play music), when the app is displaying. The play button works fine when the...