Your cart is empty.

  • All Categories
  • Other Equipment
  • Amplifiers and Splitters
  • Audio and Accessories
  • Cables
  • Converters and Scalers
  • Extenders
  • TVs & Projectors
  • Video Walls and Multiviewers
Search results

HDMI Extenders

Find the perfect solution

Control Systems HDMI Extenders Other Extenders and Accessories RS232 and IR Extenders USB Extenders Wireless HDMI Extenders
Sort by:
Newest
Newest
Price: low to high
Price: high to low
Filters

Price

$
To
$
300 7,000

Brand

Features

HDCP Version

HDMI Version

Input Type

Transmission Distance

Video Resolution

Key Digital KD-X444SP 4K 18G HDMI over 50m CAT5e/6 Extender Set with HDR/Power over Cat/IR or RS-232

Key Digital® KD-X444SP is a 4K/UHD 18Gbps, HDCP2.2 compliant HDMI over CAT5e/6 Transmitter plus Receiver set for extension of digital video signals with the latest…
SKU: KD-X444SP
Brand: Key Digital
$270.00

Key Digital KD-X444LP 4K 18G HDMI over 70m (230ft) CAT5e/6 Extender Set with Power over CAT/HDMI Pass Thru/IR/RS-232

Key Digital® KD-X444LP is a 4K/UHD 18Gbps, HDCP2.2 compliant HDMI over CAT5e/6 Transmitter plus Receiver set for extension of digital video signals with the latest…
SKU: KD-X444LP
Brand: Key Digital
$549.00

Key Digital KD-XPS22U 4K 18G Smart Extender Kit

4K 18G Smart Extender Kit. Includes KD-PS22UTx and KD-X100MRx.
SKU: KD-XPS22U
Brand: Key Digital
$1,150.00

Key Digital KD-X2X1WVTX 4K/18G HDMI/HDBT Extender (Receiver) with L/R Audio De-Embed/IR/RS-232 up to 40m

4K/18G HDBT Rx (40m) with L/R Audio De-Embed, IR, RS-232 (Receiver Only)
SKU: KD-X2X1WVTX
Brand: Key Digital
$340.00

Key Digital KD-X40MRx 4K/18G HDBT Rx (40m) with L/R Audio De-Embed/IR/RS-232 (Receiver Only)

4K/18G HDBT Rx (40m) with L/R Audio De-Embed, IR, RS-232 (Receiver Only)
SKU: KD-X40MRx
Brand: Key Digital
$155.00

Key Digital KD-X100MRx 4K/18G HDBT Rx (100m) with USB/LAN/ARC L/R Audio In/Output De-Embed/IR/RS-232 (Receiver Only)

4K/18G HDBT Rx (100m) with USB, LAN, ARC, L/R Audio In, L/R Audio Output De-Embed, IR, RS-232 (Receiver Only)
SKU: KD-X100MRx
Brand: Key Digital
$305.00

Key Digital KD-X2x1WDTx 2×1 4K/18G HDCP HDMI/DisplayPort HDBT Wall Plate Switcher/Transmitter with IR/RS-232/PoH

2x1 4K/18G 40m HDBT PoH Wall Plate Switcher
SKU: KD-X2x1WDTx
Brand: Key Digital
$340.00

Key Digital KD-X4x1WUTx 4×1 4K/18G 2xHDMI/DP/USB-C HDBT Wall Plate Switcher/Transmitter with CEC/ARC/Audio/IR/RS-232/PoH

4x1 4K/18G 100m HDBT PoH Wall Plate Switcher
SKU: KD-X4x1WUTx
Brand: Key Digital
$710.00

Key Digital KD-XWPS-2 HDMI USB-C Wall Plate Extender Kit / 4K60 4:4:4 Over CAT6 164ft / Audio De-Embed

Single-gang HDMI/USB-C wall-plate extender kit that sends 4K60 4:4:4 video over CAT6 up to 164ft with audio de-embed, EDID control, RS-232 and IR support.
SKU: KD-XWPS-2
Brand: Key Digital
$468.00

What HDMI extenders do

HDMI extenders are AV devices that send HDMI video, audio, and control signals over long distances. A typical HDMI cable runs only about 50 feet before signal degradation appears: sparkles, flickering, or no picture at all. When the application requires longer cable runs (restaurants, large facilities, schools, meeting rooms, sports bars, houses of worship), HDMI extenders are the right tool. They consist of a transmitter at the source side, a receiver at the display side, and the cable between them (CAT5e/6, coaxial, fiber, or wireless).

Transport media for HDMI extension

HDMI extenders use several transport media. UTP/category cables (CAT5e or CAT6) with HDBaseT technology extend HDMI up to 330 feet (100 meters). Coaxial cable carries HDMI up to about 100 feet, useful in residential installations with pre-wired coax. Fiber optic cable extends HDMI to extremely long distances, up to 30 km (18.75 miles), making large facilities, stadiums, and airports practical. Wireless HDMI extenders carry HDMI signals 40 to 80 feet without any cable, ideal for boardrooms and presentations.

HDBaseT advantages

HDBaseT has gained popularity over the years for its ability to extend HDMI up to 330 feet on standard CAT cable. Besides video and audio, HDBaseT also carries control signals (IR, RS-232), Ethernet, and power (POE), making it a comprehensive solution for integrators. One CAT cable replaces what would otherwise require many separate cables for AV, control, network, and power. HDBaseT supports full 4K HDR video at the rated distance.

Coaxial HDMI extenders for residential

For shorter distances (around 100 feet), coaxial HDMI extenders work well, especially in residential installations where the home is already pre-wired with coax for cable TV. The HDMI extender uses the existing coax to carry video and audio between rooms, eliminating the need to pull new cable. This is a popular choice for home theater installations where the equipment rack is in one room and the displays are in others.

Fiber for very long distances

For extremely long distances, fiber optic HDMI extenders are the right choice. They cover distances of 30 km (18.75 miles) over fiber cabling, making large facilities, stadiums, airports, and university campuses practical. Fiber is immune to electrical interference, supports very high bandwidth, and is the only practical choice for cross-building or cross-campus HDMI distribution.

Additional features

Modern HDMI extenders carry more than just video and audio. They commonly include bi-directional IR (for controlling source equipment from the receiver location), RS-232 (for control system integration), Ethernet pass-through (useful when the display location needs network connectivity), POE (Power over Ethernet, so the receiver gets power over the same CAT cable that carries the AV signal), and 3D video support. Multi-output transmitters and loop-out receivers support daisy-chaining and signal amplification.

Form factors

HDMI extenders come in various form factors. The traditional box form factor sits behind a display or in an equipment rack. Wall plate versions install into standard electrical boxes, presenting a clean professional appearance in boardrooms and classrooms. Surface-mount versions attach to walls or under tables. Some manufacturers offer transmitter chassis that combine multiple inputs (HDMI plus VGA, for example) with built-in scaling, plus multiple outputs for distributing the signal to several displays.

Common applications

HDMI extenders are essential in restaurants and bars (cable boxes or streaming devices in equipment rooms to TVs throughout the venue), large facilities (one source to many displays across a building), schools (instructor's source to displays in classrooms across the school), meeting rooms (table-top sources to wall-mounted displays), stadiums and airports (broadcast feeds to public displays), houses of worship (booth equipment to platform displays and overflow rooms), and any commercial or residential installation where the source and display are more than 50 feet apart.

Frequently Asked Questions

When do I need an HDMI extender?

You need an HDMI extender whenever the cable run between source and display exceeds about 50 feet (15 meters) for 4K or 1080p content. Beyond that distance, passive copper HDMI cable starts to degrade, showing as sparkles, flickering, or no picture at all. Extenders carry the signal cleanly the full distance: HDBaseT over CAT cable for up to 330 feet, coaxial extenders for about 100 feet, fiber for very long distances (kilometers). Common scenarios: residential AV (source room to display room), boardrooms (rack equipment to wall displays), restaurants and bars (back-of-house to customer-facing TVs), and large venues with long signal paths.

What is HDBaseT and how does it work?

HDBaseT is a video extension technology that carries HDMI signals (with embedded audio), control signals (IR, RS-232), Ethernet, and power (PoE) over a single CAT5e, CAT6, or CAT6a cable for up to 100 meters (330 feet). The transmitter packages all these signals together onto the network cable; the receiver unpacks them at the other end. HDBaseT supports full 4K HDR video at the rated distance, making it the workhorse extension technology in modern commercial AV. CAT6 is the typical minimum recommended cable type for full HDBaseT performance.

How far can an HDMI extender carry the signal?

Distance depends on the transport medium. HDBaseT over CAT cable: up to 100 meters (330 feet) reliably, with some products supporting longer distances at reduced specifications. Coaxial HDMI extenders: about 100 feet using existing coaxial infrastructure. Fiber optic HDMI extenders: 1000 feet typical, up to 30 km (18.75 miles) with appropriate fiber and transceivers. Wireless HDMI extenders: 40 to 80 feet typically, with some longer-range professional products. Choose the technology that matches the required distance and the available cable infrastructure.

Will an HDMI extender carry audio, IR, and RS-232?

Most modern HDMI extenders carry audio automatically (embedded in the HDMI signal). HDBaseT extenders also carry bi-directional IR (so a remote control at the display location can control source equipment at the rack), RS-232 (for control system integration), and often Ethernet pass-through (giving network connectivity at the display location). Some include PoE so the receiver gets power over the same CAT cable, eliminating the need for a separate power outlet at the display. Always verify the specific features when choosing an extender: capability varies by model.

What's the difference between an HDMI extender and an HDMI splitter?

An extender carries one HDMI signal from one source to one display over a long distance, with a transmitter at the source and a receiver at the display. A splitter takes one HDMI source and produces multiple identical outputs, distributing the same signal to many displays. Some extenders combine functions: a 1-to-many extender has one transmitter and multiple receivers, distributing the source to many displays each at long distance. For maximum flexibility, the typical architecture is a distribution amplifier (splitter) at the source plus separate extender pairs for each display.

Where are HDMI extenders most commonly used?

Restaurants and bars (cable boxes, streaming devices, or video servers in equipment rooms feeding TVs throughout the venue), large facilities (one source feeding many displays across a building, often via HDBaseT or fiber), schools and education (instructor's HDMI source to display in the classroom; classroom AV to displays in adjacent overflow rooms), meeting rooms and boardrooms (table-top laptop or PC to wall-mounted displays, often using wall-plate transmitters for clean aesthetics), stadiums and airports (broadcast feeds and information displays at long distances), houses of worship (booth equipment to platform displays and overflow rooms), and any installation where the source and display are more than 50 feet apart.

Free Shipping

Free Shipping

On order over $300 and more for US and US territory

Return Policy

Return Policy

We Offer a 30-Day Money Back Guarantee

Warranty

Warranty

Full manufacturer's warranty and quality assurance

Secured Payment

Secured Payment

Safe checkout with trusted payment providers