iArkPower HDMI audio extractor has one HDMI input and output, one Optical SPDIF and RCA L/R audio output. It extracts digital audio embedded in HDMI source and outputs via optical SPDIF (up to 5.1 Dolby Digital and DTS) or 2CH RCA L/R stereo analog.
It's a perfect solution for amplifiers/receivers/sound bars that do not have HDMI inputs, and suitable for various HDMI source devices that do not have dedicated audio output, such as Roku, Chromecast, Blu-ray/ DVD player, cable box, Amazon Fire TV, Apple TV, PS3/4, Xbox, HD camera/DVR, etc.