AV receivers with a recommended impedance of 4 Ohm

receiver, network, 2.1, 100 Watts per channel, HDR, eARC, 8K, AirPlay 2, Wi-Fi, Bluetooth, DLNA, internet radio, Deezer, Spotify, TIDAL, USB, control via smartphone, voice assistant, 2 RCA, 6 HDMI, 2 optical

receiver, 7.1, 140 Watts per channel, HDR, eARC, 8K, AirPlay 2, Wi-Fi, Bluetooth, DLNA, internet radio, USB, control via smartphone, voice assistant, 6 HDMI, 2 optical

receiver, network, 11.2, 210 Watts per channel, IMAX Enhanced, DTS X, Dolby Atmos, HDR, eARC, 8K, AirPlay 2, Chromecast, Wi-Fi, Bluetooth, internet radio, Amazon Music, Deezer, Spotify, TIDAL, USB, control via smartphone, voice assistant, 6 HDMI, 2 optical