So if you do need to use a DAC optical converter as well, remember that youll need two available electrical sockets to supply power to both the Charger Cradle and to the DAC, so you may need some sort of multiple extension to accept these two extra devices as well as your present TV add-on devices such as cable/satellite/dvd boxes etc which all need power. Wear them for their intended purpose and you wont have issues. I bought these as I wanted a pair in dark brown. this makes the music listening experience unpleasant. Recently purchased these and what can I say. The quality on these are decent - the reason I?m giving it 3 starts is 1. I often wear this when I go out to the store and can fold it up into my bag if I am inside. After using this for a while, it began to come undone. Second of this particular brand. Nun gut, hat man Pech gehabt und mal ein defektes Modell/Gerät erwischt.