Simplecom CM423v2 HDMI Audio Extractor 4K HDMI to HDMI and Optical SPDIF + 3.5mm Stereo Features Optical SPDIF and 3.5mm audio output extracted from HDMI input One HDMI output for HDMI pass-through Ideal solution for connecting external speaker system with analog or optical input SPDIF and 3.5mm jack can output audio simultaneously for 2.0CH audio HDMI 1.4b and HDCP 1.4 Compliant Supports HDMI resolution up to 4K Ultra HD Powered by USB, plug and play Supports compressed and uncompressed audio format, such as DTS-HD, Dolby TrueHD, Dolby Digital, PCM, LPCM Specifications HDMI Version: HDMI 1.4b HDCP Version: HDCP 1.4 EDID Support: EDID 1.4 Input: 1x HDMI Female Audio Outputs: 1x SPDIF (Optical), and 1 x 3.5mm Stereo Audio (Analog) Video Output: 1x HDMI Female (HDMI pass-through) HDMI Resolution Support: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p Audio Format Support: DTS-HD, Dolby TrueHD, Dolby AC3, PCM, LPCM, DTS, DSD Max Bandwidth: 400 MHz Max Baud Rate: 10.2 Gbps Input/Output TMDS signal: 0.5~1.5Volts p-p (TTL) Input/Output DDC signal: 5Volts p-p (TTL) Max working current: 350mA Operation Temperature: -10°C ~ 50°C Dimension: 75 x 55 x 25mm (LxWxH) Weight: 43g Package Contents 1x HDMI Audio Extractor 1x 0.5M HDMI Cable 1x USB Power cable 1x USB Wall Charger 1x User Manual