Comment by muti

Active bookshelf speakers with HDMI Arc input are getting more common. Kanto Ren, Kef LSX II, Klipsch The Fives, Elac Debut ConneX

There's also the compact, simple alternatives to bulky receivers that are becoming available: Wiim amp, Sonos amp, Eversolo play, and the cheaper chinese makers like SMSL and Fosi. Each of those brands has a small device the size of an apple tv that will take an HDMI Arc input, and output an amplified signal to power some passive bookshelf speakers.