The Denon Home Amp is a HEOS stereo network amplifier delivering 2 x 100 W into 8 ohms. It powers a pair of passive speakers and receives TV sound via HDMI eARC.
Bluesound Powernode N331 multiroom streaming amplifier. It delivers 2 x 100 W into 8 ohms and drives a pair of passive speakers through BluOS, over Wi-Fi or HDMI eARC.
The Marantz MODEL M1 is a compact stereo streaming amplifier delivering 2 x 100 W into 8 ohms, with HEOS, AirPlay 2 and Bluetooth built in. Its HDMI eARC input turns a pair of speakers into a sound system for the TV.