The audio-visual world loves an acronym, so if you've heard about HDMI ARC or eARC and have been left scratching your head as to what these mean, then worry no more as we explain through these ...

The Home Amp can also bring a power boost to two channel sound from TVs thanks to the inclusion of an HDMI eARC input that enables the Denon Home Amp to be controlled using a TV remote ...

There's also HDMI eARC and Bluetooth aptX HD here for wired ... while the EXA100 stereo integrated amp will cost you £1999/$2199. Both are on sale now. Mike is T3's Tech Editor.