Gefen
GefenToolBox 4K Ultra HD ELR Extender for HDMI with POL
Best professional solution for extending high-resolution video over long distances.
Extend your HDMI signal with the GefenToolBox 4K Ultra HD ELR Extender. This professional-grade solution uses HDBaseT technology to reliably transmit 4K video, multi-channel audio, and control signals over long distances via standard network cables. It supports up to 4K Ultra HD at 330 feet or 1080p at 495 feet. The integrated Gefen POL feature simplifies installation by powering the receiver unit through the link cable. Extend RS-232 and bi-directional IR signals for complete system control, all while maintaining compatibility with HDMI 2.0 and HDCP 2.2.
$499.00
Owner Satisfaction
4.5
/ 5
Category Rank
630
/ 2576
#630 in Repeaters & Transceivers
Price vs Category Average
-49%
Below average
Maximum Resolution Support
438402160440962160
/ K Ultra HD ( x ) or K Cinema ( x )
Who it's for
- Installers needing reliable long-distance 4K signal transmission
- Technicians seeking simplified installations without extra power outlets
- Home theater enthusiasts requiring modern high-resolution content compatibility
Who should skip it
- Budget-conscious buyers looking for entry-level connectivity solutions
- Graphic designers or gamers requiring full 4:4:4 color fidelity
- DIY installers wanting to avoid specialized high-performance cabling requirements
Performance breakdown
Signal Range
Industry-leading distance capabilities for both 4K and standard HD resolutions.
Installation Efficiency
Power-over-Link technology eliminates the need for extra power outlets at displays.
Format Compatibility
Full HDMI 2.0 and HDCP 2.2 support ensures modern content compatibility.
Control Versatility
Bi-directional IR and RS-232 integration offers robust remote system management.
Build Integrity
Locking HDMI connectors provide a secure, reliable connection for professional environments.
Form Factor
Compact, surface-mountable design allows for discreet placement behind tight display setups.
Key Specs
Maximum Resolution Support
4K Ultra HD (3840 x 2160) or 4K Cinema (4096 x 2160)
Maximum Extension Distance
Up to 495 feet (150 m) at 1080p; Up to 330 feet (100 m) at 4K
HDMI Version Supported
2.0
HDCP Version Supported
2.2 and 1.4
Color Depth
Up to 12-bit Deep Color (at 1080p); 8-bit color supported for 4K resolutions
Dimensions (Each Unit)
4.3 x 1.0 x 3.2 inches (11.0 x 2.6 x 8.0 cm)
Weight (Each Unit)
0.35 lb (0.2 kg)
Power Input Specification
24V DC, locking
Features
- Extends 4K signals up to 330 feet over CAT-5e
- Powers remote receiver unit via link cable (POL)
- Supports bi-directional IR and RS-232 extension
- Handles high-quality audio formats pass-through
- Supports HDMI 2.0 and HDCP 2.2 compliance
- Features locking HDMI connectors for security
- Allows EDID pass-through management
- Surface mountable design for flexible placement
What customers say
Professional installers highly value this extender for its exceptional reliability in maintaining pristine 4K signal integrity over very long distances. A key feature praised is the Power Over Line capability, which simplifies setup by removing the need for a separate receiver power supply, saving significant labor time. Users consistently note the robust build quality and stable operation, making it ideal for mission-critical deployments where failure is unacceptable. While the initial cost is premium, the performance and operational stability justify the investment for specialized, high-end applications. It is recognized as a benchmark solution for uncompromised, extended 4K signal delivery.
Know before you buy
You can extend 4K Ultra HD signals up to 330 feet (100 meters) using a standard CAT-5e or better network cable. For 1080p resolutions, the distance increases to 495 feet (150 meters).
No, you do not need a separate power supply for the receiver. This unit features Power Over Link (POL) technology, which allows the transmitter to send power to the receiver directly through the network cable.
Yes, it supports HDMI 2.0 and HDCP 2.2, ensuring compatibility with most modern 4K content sources, including streaming players and Ultra HD Blu-ray hardware.
Yes, the unit supports bi-directional IR and RS-232 extension. This allows you to send control signals in either direction, making it easy to manage your equipment from either the display or the source location.
Yes, it supports pass-through for high-quality audio formats, including LPCM 7.1, Dolby TrueHD, and DTS-HD Master Audio.
The unit features locking HDMI connectors. These are designed to prevent accidental disconnections, providing a more secure and reliable connection for permanent or high-traffic installations.
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$499