UNITEK A1013BK 4K HDMI Coupler 4K@60Hz HDR HDMI 2.0 Gold-Plated Extend up to 20M Optical Fiber
Join Two HDMI Cables to Extend Your Reach
The UNITEK A1013BK 4K HDMI Coupler is a simple yet powerful solution for extending existing HDMI cables. Whether you need to bridge a gap between your wall-mounted TV and media console, connect a projector across a large room, or link multiple cables for a custom-length run, this coupler delivers reliable 4K performance without signal loss.
True 4K@60Hz with HDR
Fully compliant with HDMI 2.0 specifications, the coupler supports:
4K Ultra HD at 60Hz – smooth, fluid motion for movies and fast-paced games
HDR10 – richer colors, deeper blacks, and brighter highlights
Backward compatibility with 1080p, 720p, and earlier resolutions
Long-Distance Extension Capabilities
The UNITEK A1013BK is designed to maintain signal integrity over extended distances:
Cable Type Maximum Extension Length
Optical fiber HDMI cable (input only) Up to 20 meters
24AWG copper HDMI cable Up to 10 meters
Note: For best results, use high-quality HDMI cables that meet the recommended specifications. Longer extensions may require active or fiber-optic solutions.
Premium Build for Reliable Performance
Gold-plated connectors resist oxidation and ensure a clean, corrosion-free signal path
Internal shielding minimizes electromagnetic interference (EMI)
Durable PVC outer shell protects against daily wear and tear
Compact design fits easily behind equipment without adding bulk
Wide Compatibility
Works seamlessly with:
Game consoles: PS5, PS4, Xbox Series X/S, Xbox One, Nintendo Switch
Streaming devices: Fire TV Stick, Roku, Apple TV, Chromecast
TV boxes, Blu-ray players, and DVD players
PCs, laptops, and desktop computers
Monitors, HDTVs, projectors, and AV receivers
Plug-and-Play Simplicity
No power supply, no drivers, no configuration. Just connect the male ends of two HDMI cables into either side of the coupler. Instantly extends your total HDMI length.
Perfect For
Wall-mounted TVs where the existing cable is too short
Ceiling-mounted projectors in home theaters or classrooms
Conference rooms needing to connect a laptop to a distant display
Protecting expensive HDMI cables from frequent plug/unplug by using a coupler as a "sacrificial" connection point
Get the UNITEK A1013BK 4K HDMI Coupler – the simple, affordable way to extend your HDMI connection without compromising on picture quality.
Technical Specifications
Frequently Asked Questions
1. What type of coupler is this? +
The UNITEK A1013BK is a female-to-female (F/F) HDMI coupler. It joins two standard HDMI cables (both with male ends) to create a longer connection.
2. Does this coupler work with 4K at 60Hz? +
Yes, it supports 4K@60Hz Ultra HD with HDR when used with certified HDMI 2.0 cables.
3. How far can I extend my HDMI signal? +
With optical fiber HDMI cables: up to 20 meters on the input side With 24AWG copper HDMI cables: up to 10 meters for the combined length The coupler itself does not amplify the signal, so cable quality is critical.
4. Can I use this coupler with HDMI 2.1 cables for 8K or 4K@120Hz? +
This coupler is designed for HDMI 2.0 (18Gbps). While it may work with some HDMI 2.1 cables, it is not certified for 48Gbps or 8K@60Hz. For full HDMI 2.1 features, we recommend an 8K-rated coupler.

