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HDMI Fixers & Boosters
Our HDMI signal boosters are perfect for fixing 18Gbps-related signal & connectivity issues in HDMI digital professional applications. Get yours today!
4K 18G HDMI Fixers, Boosters, and Buffers
Choosing an HDMI Fixer or Booster
HDMI fixers, boosters, and buffers solve the connectivity problems that show up in real installations: no picture, intermittent sparkles, HDCP handshake failures, or EDID mismatches, especially over long cables or between mismatched devices. They recondition the 18Gbps signal and manage EDID and HDCP so the source and display negotiate reliably.
The KD-FIX418A-3 is an HDMI connectivity fixer with audio de-embedding and down-conversion. It cleans up the signal path, de-embeds audio to a separate output for a sound system, and down-converts 4K to 1080p when a display cannot accept the full-resolution signal, so a single fixer resolves several common issues at once.
Reach for a fixer or buffer when an otherwise correct system shows handshake or compatibility faults, or when you need to insert audio de-embedding or down-conversion mid-path. An authorized Key Digital dealer can help diagnose whether a fixer, a better cable, or an extender is the right solution.
Frequently asked questions
What does an HDMI fixer or booster do?
It reconditions the HDMI signal and manages EDID and HDCP to resolve connectivity problems such as no picture, sparkles, handshake failures, or resolution mismatches, especially over long cables or between mismatched devices.
When do I need an HDMI booster or buffer?
Use one when an otherwise correct system shows intermittent dropouts, HDCP handshake errors, or EDID problems, or when a long cable run needs the 18Gbps signal reconditioned to stay reliable.
What does the KD-FIX418A-3 do?
The KD-FIX418A-3 is an HDMI connectivity fixer that reconditions the signal, de-embeds audio to a separate output, and down-converts 4K to 1080p for displays that cannot accept a 4K signal.
Can a fixer down-convert 4K to 1080p?
Yes. The KD-FIX418A-3 down-converts 4K to 1080p, so a 4K source can drive a 1080p display without changing the source settings.