Proster HDMI Audio Extractor with Volume Adjustment 4K 3D DAC HDMI to Optical Spdif Toslink + Surround Analog 5.1CH Audio + 3.5mm Stereo Audio Converter for Blu-ray DVD Player Xbox One Sky HD Box PS3 5.1 HDMI Audio Extractor This 5.1CH Digital Audio Decoder Supports AC-3/DTS, Which Can Be Used to Decode Dolby/ DTS 5.1 Digital Audio Signal to 5.1 Analog Audio Signal. Suitable for HDTV, Blu-ray DVD, DVD, PS4, PS3, Xbox 360, DM500S, DM800HD, Network Player, Etc. DAC Audio ConverterIt can transform Dolby AC-3/ DTS digital audio signal into 5.1 channel analog or 2.0CH and 3.5mm earphone stereo audio, which can be connected to external devices (such as amplifiers) through standard RCA interface to enjoy DTS or Dolby's shock effect AC-3. 4K/192KHzResolution Is Up to 3840x2160@30Hz/ 4096x2160@30Hz, And Also Support 1080P (50/60Hz)/ 720P/720i/ 576P/ 576i/ 480P/ 480i/ 60fs/ 50/ 24 And 3D. Supports Sampling Rate at 32 KHz, 44.1 KHz, 48 KHz, 96 KHz and Even 192 KHz (MANY Others Just Support up to 96 KHz), Providing You High Sound Quality. Volume Control Comes with 3.5mm Output, Which Is Also Ideal for Headset. It Can Adjust the Volume for Any Output Devices Such As Speaker And Headset via The Volume Knob. 3 Modes Pass Mode: HDMI to HDMI (HDMI 1.4 Version). 2.0CH Mode: HDMI to 2.0CH RCA/SPDIF. 5.1CH Mode: HDMI to 5.1CH RCA/SPDIF (Others Don't Come with SPDIF Output).