Linear Tube Audio’s Century Monoblocks: hand-built ZOTL amps with Screen-Drive tubes, 110 W/8 Ω, low output impedance, and full balanced inputs.
Keep in mind, if you're dealing with streaming services, the goal is not to get audiophile-quality sound, but to get the best possible sound for the service, the room, and the speakers. In that sense, ...
Char Smith of DIY rockers SKORTS told us about his Aclam Dr. Robert and '69 Fender Super Reverb love.