J-Tech Digital is focused on producing high-quality products that integrate and distribute home entertainment for residential and commercial users. J-Tech Digital has played a major role in transforming whole-house audio, video and home theater for consumers worldwide. Overview: Do you need to bring together separate audio and video sources into one HDMI signal? From video tutorials to re-visiting live stream gaming, JTECH-18GAE can help! This embedder will take in your HDMI video (now up to 4K@60Hz 4:4:4!) as well as your audio whether multi-channel digital optical audio (TOSLINK/SPDIF) or analog audio (3.5mm/line). It will then output the combination as a single HDMI audio/video signal to your display. There's also the option to keep the original HDMI audio instead of replacing it. This gives more options without the hassle of moving cables around; just flip a switch. Don't just send a video and hope they understand the best parts, now they can hear you tell them as they watch. Also supported: HDMI 2.0B (18Gbps), 10bit High Dynamic Range (HDR), Dolby Vision, HDCP 2.2/1.4, CEC passthrough, many multichannel audio formats, audio sampling rate up to 192kHz, and HDMI High Bit Rate (HBR) audio passthrough. Specifications: * Video: 4K@50/60Hz 4:4:4, 4K@30Hz, 1080p@120Hz, 1080p3D@60Hz; 18Gbps; HDMI: 2.0B; HDCP: 2.2/1.4; RGB, Y'CbCr: 4:4:4, 4:2:0; 12bit, 10bit HDR, Dolby Vision * HDMI audio passthrough: LPCM 2/5.1/7.1CH, Dolby Digital, DTS 5.1, Dolby Digital+, Dolby TrueHD, DTS-HD Master Audio, Dolby Atmos, DTS:X * TOSLINK/SPDIF audio: LPCM 2CH, Dolby Digital 2/5.1CH, DTS 2/5.1CH * 3.5mm/line audio: analog stereo 2CH * Inputs: 1x HDMI, 1x 3.5mm, 1x TOSLINK * Outputs: 1x HDMI Package Contents: * 1x JTECH-18GAE HDMI 18Gbps audio embedder * 1x 5V/1A power adapter * 1x User manual