About this item Digital 2-Way Audio Converter, Coaxial to Toslink/Coaxial or Toslink to Coaxial/Toslink. Plug and Play, no need for any software and drive. Noise-free transmission, high definition audio output for your amplifier and speaker. WIDE APPLICABILITY - Compatible with Blu-ray Player, Satellite receiver, BR player, Xbox 360, HDTV, DVD, Amplifier, Sound Bar, Speaker, and all devices with a digital audio out port. Size: 5.12 x 3.54 x 0.71 inches.