Overview Summary
The Lenkeng LKV676 4K HDMI KVM extender transmitter allows seamless transmission of 4K @60Hz HDMI signals over distances up to 70 meters using CAT6/6A/7 cables. Perfect for professional setups requiring high-definition video and audio, it supports Dolby TrueHD and features zero latency for smooth performance. Shop now to enhance your AV setup with reliable, high-quality signal extension.
Designed for scalability, this transmitter supports up to 10 receivers in cascade, complete with bi-directional IR passback and EDID management. Whether you are integrating it into a home studio, conference room, or broadcast setup, buy now to ensure top-tier connectivity and control.
Performance tier: High
Uses: Video transmission, KVM extension, 4K HDMI distribution, audio extraction, multi-display cascading Overview
Lenkeng LKV676 4K HDR 70m HDMI KVM Extender Transmitter (Cascade Support)
This Lenkeng LKV676 transmitter unit is designed for high performance HDMI signal extension in professional AV and control environments. It delivers stable 4K UHD video distribution over long distances using standard CAT6, CAT6A, or CAT7 cabling while maintaining image integrity and signal reliability. The system is engineered for zero latency transmission, making it suitable for real time display applications, control rooms, and multi-screen installations. SKU CNV-LKV676CASCADE-TX.
The transmitter supports point to point HDMI extension up to 70 metres and is also capable of cascade deployment when used with compatible receivers, supporting up to 10 receivers in a chain configuration for expanded distribution scenarios.
Description
The Lenkeng LKV676 transmitter enables high quality 4K HDMI signal transmission with advanced HDR support and stable long distance performance. It is built for professional AV setups that require dependable signal integrity, flexible multi-display expansion, and low latency operation. With support for HDMI 2.0 and HDCP 2.2, it ensures compatibility with modern source devices and protected content.
It includes intelligent EDID passback for automatic display matching and supports both video and multi-channel digital audio formats, including Dolby and DTS standards. The integrated design also provides optional HDMI loop out for local monitoring and bi-directional IR control for remote device management.
Features
Key capabilities for extended HDMI distribution
- Transmits 4K UHD 60Hz HDMI signals up to 70m over CAT6/6A/7 cable
- Supports cascade configuration with up to 10 receivers for multi-display setups
- Zero latency transmission for real time video applications
- HDR support with YUV 4:4:4 colour sampling for enhanced image clarity
- HDMI loop out on transmitter for local display monitoring
- Bi-directional IR passback (20-60KHz) for remote control operation
- S/PDIF audio extraction available via receiver integration
- Supports Dolby TrueHD 7.1 and Dolby Digital 5.1 audio formats
System and compatibility details
This unit complies with HDMI 2.0 standards and HDCP 2.2 content protection, ensuring compatibility with modern media players, PCs, and professional AV equipment. It supports LPCM, DTS-HD, DTS Audio, and Dolby audio formats for flexible integration into existing sound systems.
- Video resolution support: up to 3840 x 2160 at 24/25/30/50/60Hz
- Input cable length: up to 8m (AWG24)
- Output cable length: up to 8m (AWG24)
- CAT cable distance: up to 70m over CAT6/6A/7
- Power: DC 5V 2A
- Power consumption: TX less than 4W
Build quality and operating conditions
The unit is housed in a durable aluminium alloy chassis with a crystal panel finish for improved heat dissipation and long term reliability. It is designed for continuous operation in demanding environments with built in protection against surge, lightning, and electrostatic discharge.
- Operating temperature: -20C to 60C
- Storage temperature: -30C to 70C
- Humidity tolerance: 0 to 90 percent non condensing
- Electrostatic protection: IEC61000-4-2 compliant
Physical design and installation
Compact and installation friendly, the transmitter measures 106 x 99 x 26.2mm and weighs approximately 210g. Its streamlined design supports rack or discreet deployment in professional AV systems where space efficiency and reliability are critical.
Specifications
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Specifications |
| Product Code | CNV-LKV676CASCADE-TX |
| Voltage/Current | DC5V 2A |
| Power Consumption | TX |
| HDMI Compliance | HDMI 2.0 |
| HDCP Compliance | HDCP 2.2 |
| HDMI Resolution | 3840x160 @24/25/30/50/60Hz |
| Supports Audio Formats | LPCM / DTS-HD / DTS-Audio /Dolby TrueHD 7.1CH / Dolby Digital 5.1CH |
| Input and Output DDC Signal | 0.7~1.2Vp-p (TMDS) |
| Input and Output DDC Signal | 5Vp-p (TTL) |
| Input Cable Length | =8m (AWG24) |
| Output Cable Length | =8m (AWG24) |
| CAT6/6A/7 | =70m |
| Electrostatic Protection | 1a Contact Discharge level 3, 1b Air Discharge Level 3, Implementation of the Standard: IEC61000-4-2 |
| Working Temperature | -20~60C |
| Storage Temperature | -30~ 70C |
| Humidity (No Condensation) | 0~90% RH |
| Dimensions (L ?W ?H) | 106 ?99 ?26.2mm |
| Material | Aluminium-Alloy and Crystal Panel |
| Colour | Black |
| Weight | TX 210g, RX 210g |
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