4K HDMI/eARC over HDBaseT 3.0 Extender (70m) New

Extend 4K HDMI and eARC/ARC signals over a single CAT6A/7 cable - up to 40m at 4K60 4:4:4 or 70m at 4K30/1080p - with no second cable run for audio return. The KanexPro EXT-HD4KEARC-70M eliminates the need for a separate cable to return audio from a remote TV to a local AV receiver or soundbar. Built on HDBaseT 3.0 VS310 chipset, HDCP 2.3, with Dolby Atmos, DTS:X, and DTS-HD Master Audio support.

• HDBaseT 3.0 VS310 chipset — extends uncompressed 4K60 4:4:4 up to 40m and 4K30/1080p up to 70m over a single CAT6A/7 cable
• eARC/ARC pass-through returns high-bitrate audio from the remote TV back to a local AV receiver or soundbar over the same CAT cable — no second cable required
• HDCP 2.3 compliant with 18Gbps video bandwidth; HDR10, HDR10+, Dolby Vision LLM, and HLG pass-through
• Full HD audio pass-through: LPCM, Dolby Atmos, Dolby TrueHD, DTS:X, DTS-HD Master Audio, and DSD
• Bi-directional 24V PoC — one power supply at either end powers both TX and RX; PoC on/off switch on each unit
• Bi-directional IR pass-through (wideband 20–60kHz, 12V) with included IR blaster and receiver cables
• RS-232 pass-through for third-party control system integration; USB-C service port for firmware upgrades and API commands
• Compact metal enclosure (144x78x23mm) with LED link and signal indicators; mounting ears included