Gefen
Gefen MonoLOK High-Speed HDMI 2.0 Locking Cable
Best secure cable for professional 4K audio-visual installations.
The Gefen MonoLOK High-Speed HDMI 2.0 Locking Cable ensures a secure and reliable connection for demanding audio-visual setups. This 6-foot cable supports resolutions up to 4K (4096 x 2160) and features proprietary Mono-LOK technology to prevent accidental disconnections. It seamlessly integrates data, audio, and video streams, offering support for HDMI Ethernet Channel (HEC) and Audio Return Channel (ARC). Constructed with high-quality 28AWG copper conductors and multi-layer shielding, it guarantees a pristine signal free from electromagnetic interference, making it an ideal choice for professional installations.
$77.91
Owner Satisfaction
4.5
/ 5
Category Rank
1969
/ 5745
#1969 in Audio & Video Cables
Price vs Category Average
-86%
Below average
Cable Type
2.0
/ HDMI
Who it's for
- AV technicians working in high-vibration or critical environments
- Home theater enthusiasts needing reliable 4K HDR performance
- Professional installers working in cramped equipment racks
Who should skip it
- Budget-conscious buyers seeking standard, affordable connectivity
- Users who frequently swap or test different video sources
- Gamers requiring HDMI 2.1 for 4K at 120Hz
Performance breakdown
Connection Security
Proprietary locking mechanism virtually eliminates the risk of accidental signal drops.
Signal Integrity
Multi-layer shielding effectively blocks interference for a clean, stable data stream.
Build Robustness
Heavy-duty 28AWG copper construction ensures long-term durability in professional environments.
Resolution Support
Reliably handles 4K content, though it lacks support for newer 8K standards.
Feature Versatility
Integrated HEC and ARC support simplifies complex home theater cable management.
Installation Ease
The locking mechanism adds a step but provides essential peace of mind.
Key Specs
Cable Type
HDMI 2.0
Length
6.0 feet
Conductor Material
Copper (28AWG)
Maximum Resolution Support
4096 x 2160 (4K)
Connector 1
HDMI Type-A Male
Connector 2
HDMI Type-A Male
Shielding
Multi-layer
Bandwidth Certification
Tested up to 340 MHz (Category 2)
Features
- Provides a secure, locking HDMI connection
- Supports high-speed networking via HEC
- Enables TV audio return to A/V receiver
- Delivers sharp, vivid Deep Color video
- Uses high-quality 28AWG copper conductors
- Protected by multi-layer EMI shielding
- Certified up to HDMI Category 2 standards
- Supports resolutions up to 4K
What customers say
Professional A/V integrators overwhelmingly praise the Gefen MonoLOK HDMI cable for its exceptional reliability. The defining feature is the secure MonoLOK locking mechanism, which eliminates signal loss in critical installations prone to vibration or accidental disconnection. Users value the peace of mind provided by this stable connection. Build quality is consistently cited as robust and durable, ensuring flawless signal integrity even in electrically noisy settings. While the premium cost makes it less suitable for general consumers, professionals view this dependable, specialized functionality as a necessary investment. A minor drawback noted is the cable's stiffness, which can complicate routing in tight spaces.
Know before you buy
The MonoLOK technology features a locking mechanism that secures the cable firmly into the HDMI port. This prevents accidental disconnections, making it ideal for professional installations or setups where cables might be bumped or moved.
Yes, this cable is fully compatible with 4K resolutions up to 4096 x 2160. It meets HDMI 2.0 standards, ensuring it can handle the high bandwidth required for sharp, vivid video playback.
Yes, the cable supports both Audio Return Channel (ARC) and HDMI Ethernet Channel (HEC). This allows you to transmit audio from your TV back to an A/V receiver and share network connectivity between devices using a single cable.
The 28AWG copper conductors provide a robust signal path, while the multi-layer shielding protects against electromagnetic interference. This combination ensures a clean, stable signal transmission, which is essential for maintaining high-quality audio and video integrity.
Yes, it uses standard HDMI Type-A connectors, so it will fit into any standard HDMI port. While it features a locking mechanism for a more secure fit, it remains fully backward compatible with all HDMI-equipped devices.
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