ARC Audio Extractor --- This Audio Extractor with HDMI Input and Coaxial, SPDIF L/R RCA 3.5mm Output, It is Suitable for TV. (NOTE: Only TV Sets with The HDMI ARC Function Can Be Supported.)DAC CONVERTER --- This Converter Can Be Used to Convert PCM/ LPCM 2.0CH Digital Audio to L/R RCA and 3.5mm Analog Audio.4 INTERFACE OUTPUT --- Coaxial / SPDIF Interface Supports 5.1CH Audio Output, RCA and 3.5mm Interface Supports 2.0CH Audio Output.192KHz --- Supports Sampling Rate at 32KHz44.1KHz48KHz96KHz and Even 192Khz, Proving High Quality Audio Transmission.CONVENIENT DESIGN --- Aluminum Alloy Case with Gold Plated Interface Provide Good Anti-Interference. Let the Sound Quality Nondestructive Switching.Package included:1 Pack