{"product_id":"hdmi-2-0-audio-de-embedder-alf-chka2-extract-4k-audio-cleanly","title":"HDMI 2.0 Audio De-embedder ALF-CHKA2 - Extract 4K Audio Cleanly","description":"\u003cp\u003eOur review of the ALF-CHKA2 finds it is a compact, no-frills solution for anyone who needs to extract audio from a 4K HDMI feed. Designed for simple installation and reliable operation, the unit excels at separating audio to balanced L\/R, analog RCA, or coaxial digital outputs while maintaining support for 4K@60Hz 4:4:4 HDR. The single biggest reason to buy is its straightforward compatibility with a range of audio processors and receivers via three audio modes, making it a practical choice for home A\/V setups or small professional rigs that need a clean audio pass-through without changing video quality.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio Extraction:\u003c\/strong\u003e Extracts audio from a 4K HDMI feed to stereo balanced L\/R, analog RCA, or coaxial digital outputs so you can connect legacy or professional audio gear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Bandwidth:\u003c\/strong\u003e Supports up to 18Gbps transmission to preserve full HDMI 2.0 video quality while audio is de-embedded.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree Audio Modes:\u003c\/strong\u003e Pass, Bitstream, and PCM modes provide flexibility to match receivers or processors and avoid compatibility issues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4K@60Hz Support:\u003c\/strong\u003e Handles 4K@60Hz with 4:4:4 chroma and HDR pass-through so video remains intact when audio is pulled out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEDID \u0026amp; CEC Pass-through:\u003c\/strong\u003e Keeps device communication and basic control signals intact for simpler integration into existing systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Form:\u003c\/strong\u003e Small footprint minimizes rack or shelf space and is easy to tuck into an AV cabinet or under a display.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe ALF-CHKA2 is aimed at homeowners, integrators, and small studios that need to route HDMI video to a display while sending audio to a separate receiver, mixer, or recording device. Its multiple output options and audio modes make it especially useful when dealing with older analog equipment or digital coaxial inputs alongside modern HDMI sources.\u003c\/p\u003e\u003cp\u003eIt is less suitable for systems that require advanced audio decoding, multichannel analog outputs beyond stereo, or integrated DSP features; users needing multichannel analog extraction or professional AES outputs should look for higher-end, feature-rich extractors.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSimple extraction to balanced L\/R, RCA, or coaxial digital for wide compatibility.\u003c\/li\u003e\n\u003cli\u003eMaintains 4K@60Hz 4:4:4 HDR video with an 18Gbps transmission rate.\u003c\/li\u003e\n\u003cli\u003eThree audio modes improve compatibility with a variety of receivers and processors.\u003c\/li\u003e\n\u003cli\u003eCompact size makes it easy to install in tight spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOnly stereo analog and coaxial digital outputs are provided, so no multichannel analog extraction.\u003c\/li\u003e\n\u003cli\u003eDoes not include advanced audio processing or decoding features for complex studio workflows.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eHDMI Version\u003c\/td\u003e\n\u003ctd\u003eHDMI 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVideo Support\u003c\/td\u003e\n\u003ctd\u003e4K@60Hz 4:4:4 HDR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Rate\u003c\/td\u003e\n\u003ctd\u003eUp to 18Gbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHDMI Connectors\u003c\/td\u003e\n\u003ctd\u003e1 HDMI input, 1 HDMI output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio Outputs\u003c\/td\u003e\n\u003ctd\u003eStereo balanced L\/R, analog RCA, coaxial digital\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio Modes\u003c\/td\u003e\n\u003ctd\u003ePass, Bitstream, PCM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe ALF-CHKA2 is a practical, value-oriented HDMI audio de-embedder for anyone who needs reliable stereo or digital coaxial extraction without sacrificing 4K video quality. It is ideal for home theaters and small AV installations where simple, compact hardware and broad device compatibility matter most, even though it does not offer multichannel analog outputs or advanced processing.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan this unit pass HDR and 4K video while extracting audio?\u003c\/strong\u003e\u003cbr\u003eYes. It supports 4K@60Hz 4:4:4 and HDR while de-embedding audio to the designated outputs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich audio outputs are available?\u003c\/strong\u003e\u003cbr\u003eThe unit provides stereo balanced L\/R, analog RCA, and coaxial digital audio outputs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it work with my receiver if audio formats vary?\u003c\/strong\u003e\u003cbr\u003eIt offers Pass, Bitstream, and PCM modes so you can choose the format that best matches your receiver or audio processor.\u003c\/p\u003e","brand":"ALFATRON","offers":[{"title":"Default Title","offer_id":48148727922907,"sku":"B08K1DVCZY","price":174.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51cjcbbfdSL._SL1000.jpg?v=1768772950","url":"https:\/\/gearmusthave.com\/products\/hdmi-2-0-audio-de-embedder-alf-chka2-extract-4k-audio-cleanly","provider":"GearMustHave","version":"1.0","type":"link"}