ARC , Toslink (optical,SPDIF) ( the 'T' switch), Coaxial ( the 'C' switch). Just the right switch position (do not forget to PCM if used on the TV). Supports all audio outputs, such as Toslink (Optical,SPDIF), 3.5mm audio , stereo R / L port, coaxial DTS (Toslink Output) / -AC3 (Toslink Output) / DSD / LPCM. Supports sampling rates including 32 KHz, 44.1 KHz, 48 KHz, 96 KHz, and 192 KHz. Material: Metal + Plastic colour: As shown Package Contents: 1 x 192 KHz Multifunction Audio Converter,with cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.