8K Armoured HDMI Cable 2.1, 48Gbps HDMI to HDMI Cable for 4K 120Hz TV, 8K TV, PS5 Pro, Laptop, 4K Monitor, Gaming Monitor, Projector 4K, Dolby Atmos, HDR, eARC DTECH

The 8K armoured HDMI cable from DTECH solves a problem that standard fibre optic HDMI cables cannot: physical durability during installation. Where conventional fibre HDMI cables break under tension, kink at tight bends, get crushed in conduit or fail when exposed to outdoor environments, the DT-HF8000K wraps its fibre optic core inside a stainless steel armour layer engineered for tensile resistance, compression resistance, waterproofing and even anti-bite protection — making it the correct choice for pre-embedded wiring, ceiling pulls, AV racks and any demanding cable route.

Why an 8K Armoured HDMI Cable Is Different

Most high-speed HDMI cables use a copper or bare fibre optic construction that performs well on a desk or behind a TV but fails quickly when pulled through conduit, run under flooring or suspended across ceiling voids. The DT-HF8000K uses a seven-layer construction: 4-core optical fibre transmits the video signal at the speed of light with zero electromagnetic interference, while high-quality copper cores handle the power, surrounded by anti-interference aluminium foil, a pure copper ground wire, a shielding net, anti-fracture threaded steel, and a transparent PVC outer jacket. The HDMI Forum’s HDMI 2.1 specification confirms that 48 Gbps bandwidth is required to support uncompressed 8K@60Hz and 4K@120Hz — this cable delivers that in full.

Full HDMI 2.1 Feature Support

The DT-HF8000K supports the complete HDMI 2.1 feature set on compatible devices: 8K@60Hz and 4K@120Hz/144Hz video, Dynamic HDR with 12-bit colour depth for professional-grade colour accuracy, eARC for lossless audio return to soundbars and AV receivers, and gaming features including VRR, ALLM, QFT and QMS for low-latency, tear-free gameplay. Dolby Atmos and DTS:X audio pass through without compression.

Photoelectric Conversion at Both Ends

Both the transmitter (Source) and receiver (Display) ends of the cable are fitted with high-performance photoelectric conversion chips that instantly convert electrical HDMI signals to optical and back. This active conversion is what enables signal transmission up to 100 metres without attenuation, delay or interference — a physical impossibility with passive copper HDMI cables. Note: this cable is unidirectional. The Source end connects to your output device (PC, console, Blu-ray player) and the Display end connects to your TV, monitor or projector. Test the direction before pulling through the conduit.

Construction Specifications from the Manufacturer

• Core: 4-core optical fibre + high-quality copper hybrid
• Connector: Gold-plated HDMI male-to-male
• Bandwidth: 48 Gbps
• Colour depth: 12-bit
• Resolutions: 7680×4320 (8K@60Hz), 4K@120Hz, 2K@144Hz
• Operating temperature: Suitable for indoor and outdoor environments
• Warranty: 1 year

Available Lengths

The DT-HF8000K is available in 5m, 10m, 15m, 20m, 25m, 30m, 50m and 100m lengths, covering everything from short AV rack patch cables to full building pre-embedded installations.

Compatible Devices

PS5 Pro, PlayStation 5, Xbox Series X, gaming PCs with RTX 4000/5000 series GPUs, MacBook Pro with HDMI output, 8K TVs, 4K 120Hz OLED TVs, Samsung Neo QLED, LG OLED, Sony Bravia, projectors, BenQ gaming monitors, ASUS ROG monitors, AV receivers and soundbars with eARC.

For shorter runs where armoured construction isn’t required, see our standard fibre optic HDMI cable range. For the full collection of installation-grade cables, browse our armoured HDMI cable category.