Introduction: J-Tech Digital is focused on producing high-quality products that distribute audio & video content in both residential and commercial applications. Over the last ten years, J-Tech Digital has been a key component in making affordable and high caliber audio-video devices available to consumers across multiple industries including the medical, commercial and residential fields. Join the J-Tech Digital family and see why over 10 million satisfied customers trust J-Tech Digital to provide industry-leading technology and excellent customer support. Features: Extract audio from HDMI sources to external sound systems via SPDIF Optical (Toslink) and/or RCA (3.5mm) analog output o For simultaneous SPDIF and RCA output, set HDMI source audio to Stereo (PCM). o Note: Not compatible with HDMI-ARC function Supports video resolutions up to 4K@60Hz, 1080P@120Hz, and 1080P@144Hz with HDR 10-bit color o Fully compliant with HDMI 2.0b, HDCP 2.2, and EDID Versions 1.3 & 1.4 3-mode Audio EDID switch for selecting 2CH stereo, 5.1CH multi-channel SPDIF, or pass-through audio formats o Note: Does not downmix digital audio to analog 3.5mm output Supports CEC pass-through for device control and HDMI High Bit Rate (HBR) audio formats via SPDIF Please Note: If you're not receiving audio from the Optical (SPDIF) or 3.5mm output ports, check your source device's audio settings: Set audio to PCM for 3.5mm output Set audio to PCM, DTS, or Dolby Digital for Optical output If you HDMI source devices' audio format is set to Dolby Digital + (or higher), the extractor will not output audio via optical SPDIF or 3.5mm since the highest audio format supported by optical SPDIF is standard Dolby Digital 5.1, and 2CH by 3.5mm analog output