{"product_id":"8k-hdmi-cable-2-1-100-ft-in-wall-cl3-fiber-hdmi-for-8k-4k","title":"8K HDMI Cable 2.1 100 FT - In-Wall CL3 Fiber HDMI for 8K\/4K","description":"\u003cp\u003eIn this review of the 8K HDMI Cable 2.1 100 FT, the bottom line is simple: this long, CL3 in-wall rated fiber HDMI is for installers and home theater owners who need a single-direction, high-bandwidth run for 8K or high-frame-rate 4K sources. The reviewer found the cable delivers the promised 48Gbps bandwidth and stable signal when connected correctly, making it a practical choice for wall runs and permanent installs, but its one-way orientation and occasional mixed reports of functionality mean careful planning and correct source\/display orientation are essential.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-way transmission:\u003c\/strong\u003e Directional fiber design prevents signal confusion during installation by requiring the source plug to face the signal origin and the display plug to face the screen.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn-wall CL3 rating:\u003c\/strong\u003e Safety-rated jacket and construction make it suitable for concealed runs inside walls for long-term installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e48Gbps HDMI 2.1:\u003c\/strong\u003e Full bandwidth support enables 8K@60Hz and 4K@120Hz content without the typical HDMI 2.0 bottlenecks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust connectors:\u003c\/strong\u003e 24K gold plated and aluminum alloy joints improve durability and reduce the risk of connector damage during installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced audio\/video support:\u003c\/strong\u003e eARC, Dynamic HDR, VRR, ALLM and QMS support better audio control and smoother gaming and video playback when ports and devices are compatible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding and stability:\u003c\/strong\u003e Four layers of shielding help reduce interference for a cleaner, stable signal over a 100 ft run.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis cable is aimed at professional installers, AV hobbyists and homeowners who need a long, permanent in-wall HDMI run between a high-bandwidth source like a gaming PC or console and a modern TV or projector. It is well suited for 8K displays or 4K displays that can take advantage of 120Hz and gaming features such as VRR and ALLM.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users who need a reversible or short patch cable for casual use, or anyone who prefers a two-way copper solution for simple plug-and-play setups. Also ensure your devices have eARC or HDMI 2.1 labeled ports if you intend to use advanced audio features.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupports true HDMI 2.1 bandwidth to handle 8K@60Hz and 4K@120Hz content.\u003c\/li\u003e\n\u003cli\u003eCL3 in-wall rating and reinforced connectors make it a solid choice for permanent installs.\u003c\/li\u003e\n\u003cli\u003eGood shielding and build quality reduce interference and improve long-run reliability.\u003c\/li\u003e\n\u003cli\u003eSupports eARC, VRR, ALLM and Dynamic HDR for modern AV setups when ports are compatible.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne-way directional design requires careful attention to source and display ends during installation.\u003c\/li\u003e\n\u003cli\u003eCustomer reports show mixed results on functionality and occasional durability issues, so testing after install is recommended.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e100 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHDMI Version\u003c\/td\u003e\n\u003ctd\u003eHDMI 2.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandwidth\u003c\/td\u003e\n\u003ctd\u003e48 Gbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution Support\u003c\/td\u003e\n\u003ctd\u003e8K@60Hz, 4K@120Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIn-wall Rating\u003c\/td\u003e\n\u003ctd\u003eCL3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectors\u003c\/td\u003e\n\u003ctd\u003e24K gold plated, aluminum alloy joints\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShielding\u003c\/td\u003e\n\u003ctd\u003e4 layers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 8K HDMI Cable 2.1 100 FT is a practical, cost-conscious option for permanent in-wall runs that demand full HDMI 2.1 bandwidth. Installers and serious home theater owners will appreciate the CL3 rating and durable connectors, but buyers must respect the cable's one-way orientation and verify device compatibility for eARC and gaming features before committing to a long run.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this cable reversible?\u003c\/strong\u003e\u003cbr\u003eNo, this is a directional fiber HDMI cable; the end labeled source must face the source device and the end labeled display must face the display.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it handle 4K at 120Hz?\u003c\/strong\u003e\u003cbr\u003eYes, the HDMI 2.1 48Gbps bandwidth supports 4K@120Hz and 8K@60Hz when used with compatible devices and ports.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use eARC through this cable?\u003c\/strong\u003e\u003cbr\u003eYes, eARC is supported but you must connect to the HDMI port labeled eARC on your TV or AV device to enable that function.\u003c\/p\u003e","brand":"Eareyesail","offers":[{"title":"Default Title","offer_id":48145838801115,"sku":"B0BNHYD5C8","price":38.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71J7GvrzFqL._SL1500.jpg?v=1768826333","url":"https:\/\/gearmusthave.com\/products\/8k-hdmi-cable-2-1-100-ft-in-wall-cl3-fiber-hdmi-for-8k-4k","provider":"GearMustHave","version":"1.0","type":"link"}