A 15-meter hdmi to hdmi 4k cable is designed for high-definition video and audio transmission over long distances. key specifications
1. hdmi version
hdmi 2.0 or 2.1 (preferred for 4k)
2. resolution & refresh rate support
hdmi 2.0: 4k @ 60hz, 1080p @ 144hz
hdmi 2.1: 4k @ 120hz, 8k @ 60hz
3. bandwidth
hdmi 2.0: 18 gbps
hdmi 2.1: 48 gbps
4. cable type (for long-distance signal integrity)
standard copper cable: works well but may have signal degradation over long distances.
active hdmi cable: has built-in signal boosters for stable transmission.
optical hdmi cable: uses fiber optics for zero signal loss over long distances.
5. other features
hdr support: hdr10, dolby vision (if hdmi 2.0 or above)
audio support: dolby atmos, dts-hd
gold-plated connectors: for better signal conductivity and durability