NÖRDIC SGM-134 converts digital sound to analog. Connect to two digital audio sources to inputs in the switch and switch between them with remote control. On OUTPUT, you can connect the headphone to AUX or speaker to the R / L output. Powered by USB charger 5V 1a (not included). Support for PCM (does not support surrond 5.1 or 7.1) Sampling Rate: 192khz 24bit support for HD TV, Apple TV, PS3 / 4, Xbox One, HD DVD, Blue Ray, DVD Digital to Analog Konvertortoslink Optical Cable 1MusB Power Cable Dimensions: 120x60x20mm weight: 160g