Gefen CAB-HD-LCK-03MM: Professional 4K HDMI Cable with Secure Mono-LOK Connection
The Gefen CAB-HD-LCK-03MM is a premium 3 ft High Speed HDMI cable engineered for professional audio-visual installations requiring reliable 4K video transmission. This 4K HDMI cable with Ethernet delivers True 4K Cinema (4096 x 2160) resolution at 60Hz with 4:4:4 chroma subsampling, making it ideal for broadcast facilities, post-production studios, and high-end home theater systems. The proprietary Mono-LOK locking connector ensures a secure, vibration-resistant connection that won't accidentally disconnect during critical presentations or live events. With integrated Ethernet capability supporting up to 100 Mb/sec bi-directional data transfer, this cable eliminates the need for separate network connections in AV environments.
Key Features
- Supports 4K@60Hz (4:4:4) and True 4K Cinema (4096 x 2160) resolution
-
Mono-LOK locking connector prevents accidental disconnection
- Integrated Ethernet channel with 100 Mb/sec bi-directional bandwidth
- Audio Return Channel (ARC) support for simplified audio routing
- 3D video capability for immersive content delivery
- High-quality 28AWG copper conductors for superior signal integrity
- Multi-layer shielding protects against electromagnetic interference (EMI)
- HDMI Category 2 certified (340 MHz) with 600 MHz capability
- 3 ft length ideal for rack-mounted equipment and close-proximity installations
Technical Specifications
| Specification |
Details |
| Manufacturer |
Gefen |
| Part Number |
CAB-HD-LCK-03MM |
| Cable Length |
3 feet (0.91 meters) |
| Connector Type |
HDMI Male to Male with Mono-LOK |
| Video Resolution |
4K@60Hz (4:4:4), True 4K Cinema (4096 x 2160) |
| Bandwidth |
340 MHz (Category 2 certified), 600 MHz capable |
| Ethernet |
100 Mb/sec bi-directional |
| Conductor Gauge |
28 AWG copper |
| Shielding |
Multi-layer for EMI protection |
| Features |
ARC, 3D support, deep color |
Frequently Asked Questions
What is Mono-LOK and why does it matter?
Mono-LOK is Gefen's proprietary locking connector technology that secures the HDMI connection mechanically, preventing accidental disconnection. This is especially valuable in professional installations, live broadcast environments, and touring setups where cable reliability is mission-critical.
Can this 4K HDMI cable support 4K@60Hz with full color depth?
Yes. The Gefen CAB-HD-LCK-03MM supports 4K@60Hz with 4:4:4 chroma subsampling and deep color, delivering the highest quality video signal for professional color grading, mastering, and premium home theater applications.
Does this High Speed HDMI cable include Ethernet functionality?
Yes. The integrated Ethernet channel supports up to 100 Mb/sec bi-directional data transfer, allowing compatible devices to communicate over a single cable connection, reducing cable clutter in AV installations.
What is the bandwidth rating and certification level?
The cable is HDMI Category 2 certified at 340 MHz and capable of handling up to 600 MHz, ensuring compatibility with current and future 4K and higher-resolution video standards.
