Specification:

HDMI to coaxial audio
Input: HDMI
Output: HDMI SPLIT (1:2), Digital Coaxial, Optical Toslink + RAC L/R Audio
Version:HDMI 1.3V and HDCP 1.2
Supports audio format: DTS/HD/Dolby trueHD/LPCM7.1/DTS/Dolby-AC3/DSD
Supports audio format: deep color 24/36bit
HDMI intput cable distance: 15m AWG26
HDMI output cable distance: 20m AWG26 HDMI 1.3 standard cable
Compatible with full HD 480i, 480p, 576i, 576p, 720p, 1080i 1080p and 3D(2K)
Power: 5wtts (Max)
Power Supply: DC 5V
Support 24bit/deep color 30bit, 36bit

Feature:

Support all HDMI sources. We have not experienced a compatibility issue.
This product is solid and durable with full metal jacket construction; it has the best in category Quality, Flexibility & Compatibility.
HDMI 2CH PCM stereo audio can be converted to 2CH analog stereo and output through RCA L/R, SPDIF or Digital Coaxial at the same time.
SPDIF output supports 5.1CH Dolby Digital 5.1CH / AC3 & DTS 5.1CH audio. The RCA L/R output will not have sound if the incoming audio is multi-channel audio (>2CH).
HDMI supports all audio formats including Dolby Digital Plus, 5.1CH/7.1CH PCM and HD Audio (including Dolby TrueHD and DTS-HD Master Audio).
The HDMI output has identical video and audio signals as the A/V signals coming into its HDMI input.
The L /R stereo output has sound only if the audio format in the HDMI signal is 2CH or mono. This is not a decoder, if audio signal in HDMI is 5.1CH surround or above, the RCA L/R audio output will not have sound.
Set audio EDID to "5.1CH" for DD5.1CH / DTS5.1CH for TOSLINK. TOSLINK does not support Dolby Digital Plus (used by Roku and Chromecast) and higher formats.

Package Include:

1 x HDMI to HDMI + Audio Extractor 1 x DC 5V Power Supply 1 x User Manual

• Allows you to pair your Google Chromecast with virtually any sound system
• Enables audio (such as Pandora) to stream with the screen still off
• SPDIF Output Supports Upto 5.1CH Dolby Digital 5.1CH, DTS 5.1CH Audio; RCA Analog L/R Output Supports 2CH PCM Stereo Audio
• One HDMI Input to One HDMI Output, One SPDIF Audio Output and One RCA R/L Stereo Audio Output
• HDMI Supports Full HD 1080P + 3D; HDCP & CEC Pass Through; Video EDID Pass Through; Plug & Play

Allows you to pair your Google Chromecast with virtually any sound systemGeneric