Heya. Received mine today. Ive had the R3 since it came out until i sold it a week ago. Ordered over the weekend from Musicteck on Amazon. Delivery date was Dec 2-8, but it came today. Same body as the R3, same UI, same CPU. Mine had a | bar firmware.
I bought it primarily because of better battery run time, better channel separation and distortion, little more power is also nice, latest BT and both 2.4 and 5ghz wifi.
- Its dead silent on standby, no trace of any noise, hiss or w.e... And my ocd always catches even the slightest noise ( that is with IMR R2 @2.5mm, PA Carbon @3.5mm )
- Hardware is the same as the R3, buttons work, fine, it seems lighter but i might be wrong, both 3.5 and 2.5 jacks work good, nice and tight, screen is good, i use it at 1% brightness and its sufficient for home use
- As far as sound goes [Disclamer- everyone has different hearing and different IEMs] it is good, but better to wait for someone to compare them both side by side R3 vs R3pro, i EQ my sound a little bit with MSEB, but even without it sounds good
- Enough detail and low end for me, i was satisfied w the old R3, this one is just as good, with a tiny bit refined sound due to different hardware.
If you have R3 and it works, upgrading might not be worth it, its a sidegrade if anything. I am not disappointed, good sound w crystal clear black background, 3.5 and 2.5 jacks, excellent size and functionality. Worth it to me.
-Had a few UI freezes after you disconnect the jack while the song is playing, have to turn off and turn on again to get it playing again, fw is 1.0 says its the latest