Main Feature: . HDMI 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 Stereo Audio. . 4 INTERFACE Audio Separation --- Coaxial / SPDIF Interface Supports 5.1CH Audio Output, RCA and 3.5mm Interface Supports 2.0CH Audio Output, 4 interface synchronization output. . 192kHz 24bit --- Supports Sampling Rate at 32KHz，44.1KHz，48KHz，96KHz and Even 192Khz 24bit, Proving High Quality Audio Transmission. . CONVENIENT DESIGN --- Aluminum Alloy Case with Gold Plated Interface Provide Good Anti-Interference. Let the Sound Quality Nondestructive Switching. Features: Support SPDIF output Support Coaxail output Support RCA Stereo output Support 3.5mm stereo headphone output 3.5mm stereo headphone port equipped with high-performance audio.amplifier Support switch noise reduction Support automatic signal mute function Support transmission of 192KHz audio sampling rate Optical fiber coaxial interface supports 5.1 channel transmission Specifications: Material: Aluminum Alloy Power Supply Interface: Micro USB Maximum operating current: 65mA Power Adapter Specification: AC 100V-240V 50/60HZ, DC 5V/1A Working environment temperature: -10~+55℃ Storage temperature: -20~+60℃ Operating Humidity: 10~90%RH(non-condensing) Storage humidity: 5~95%RH (non-condensing) Case size: 81.5*58.5*21.5 (mm) NOTE: Only TV Sets with The HDMI ARC Function Can Be Supported Package Contents: 1 x HDMI ARC Audio Adapter 1 x USB Cable 1 x Users Manual