A couple of in-depth reviews of the R7, both quite positive. Headfonics Review: FiiO R7 Review — Headfonics Android Central Review: Fiio R7 review: One network streamer to rule them all | Android Central
Roon Users UK
FiiO R7 Headphone Reviews and Discussion
FiiO R7 Desktop HIFI Center/Transmitter/Streamer/Decoder/Amp/Pre-amp A – Apos Audio
FiiO R7 Headphone Reviews and Discussion
FiiO R7 Desktop Media Player Hands-on Review: All-in-one Without Compromise?
FiiO R7 Review - Headfonia Reviews
FiiO R7 Desktop HIFI Center/Transmitter/Streamer/Decoder/Amp/Pre-amp A – Apos Audio
M15S Launched in China - FiiO - Roon Labs Community
FiiO R7 Headphone Reviews and Discussion
FiiO - R7 All-in-One Player, Streamer, and Headphone Amp/DAC