
KD-X444S Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $7.79 | Condition is Used, Key Digital KD-X444S TX (Main Unit ONLY. NO Accessories), shipping cost = $6.95 | ![]() |
![]() | $14.00 | Condition is Used, Key Digital KD-X444S TX only 4K/18G HDBaseT POH Extender, FREE SHIPPING | 100.0% |
![]() | $19.99 | Condition is Used, Key Digital KD-X444S RX only 4K/18G HDBaseT POH Extender, FREE SHIPPING | ![]() |
![]() | $19.99 | Condition is Used, Key Digital KD-X444S TX only 4K/18G HDBaseT POH Extender, FREE SHIPPING | ![]() |
![]() | $69.99 | Top Pick! Condition is Used, Key Digital KD-X444S 4K/18G HDBaseT POH , shipping cost = $11.35 | 99.3% |
![]() | $185.00 | Top Pick! Condition is Used, Key Digital KD-X444S 4K/18G HDMI/HDBaseT Extender Kit, Includes DC Power Supply, shipping cost = $5.25 | 100.0% |
![]() | $355.00 | Top Pick! Condition is Used, Key Digital KD-X444S HDMI HDBaseT Extender Kit 4K 18G RS-232 IR POH, FREE SHIPPING | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $217.53 | Condition is Open box, Key Digital KD-X444S HDMI HDBaseT Extender (Tx and Rx) Brand New, shipping cost = $21.80 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $327.39 | Condition is New, Key Digital KD-X444S HDMI HDBaseT Extender (Tx and Rx) Brand New, shipping cost = $21.16 | 0.0% |



The KEY Digital KD-X444S 4K/18G HDBaseT POH Extender is a powerful and versatile solution for extending 4K video and audio signals over long distances. This device utilizes HDBaseT technology, which allows for the transmission of uncompressed 4K Ultra HD video, digital audio, and Ethernet over a single CAT5e/6/7 cable.
The KD-X444S supports 4K/18G, providing the ability to transmit 4K video at up to 60Hz, ensuring smooth and crystal-clear images. It also supports high dynamic range (HDR) and wide color gamut (WCG), providing a more vibrant and lifelike viewing experience.
One of the standout features of this extender is its Power over HDBaseT (PoH) capability. This means that the receiver unit can be powered directly from the transmitter, eliminating the need for additional power cables and simplifying installation. The KD-X444S is also compatible with both active and passive receivers, giving you flexibility in your setup.
The KD-X444S also features advanced error correction and automatic reclocking to ensure reliable signal transmission over long distances. It supports distances of up to 100 meters (328 feet) without the need for repeaters, making it ideal for use in large commercial or residential spaces.
In addition to video and audio, the KD-X444S also supports Ethernet, providing a simple and convenient way to connect devices to your network, such as smart TVs, computers, or game consoles.
The KD-X444S is designed with a compact and sleek form factor, making it easy to install and blend into any environment. It also features robust construction, ensuring reliable performance even in high-traffic or high-temperature environments.
Overall, the KEY Digital KD-X444S 4K/18G HDBaseT POH Extender is a powerful and versatile solution for extending 4K video and audio signals over long distances, with its PoH capability, advanced error correction, and support for HDR and WCG making it a standout option for commercial and residential applications.
Pros of buying a Key Digital KD-X444S 4K/18G HDBaseT POH Extender:1. Supports 4K resolution at 60Hz, delivering crisp and clear images.
2. Utilizes HDBaseT technology, which allows for the transmission of high-definition video, audio, and Ethernet over a single Cat5e/6 cable.
3. Supports Power over HDBaseT (PoH), allowing for power to be supplied to the receiver via the same cable, eliminating the need for additional power sources.
4. Features 18Gbps bandwidth, providing ample bandwidth for high-resolution video and audio.
5. Offers a long transmission distance, up to 131 feet (40 meters) without signal degradation.
Cons of buying a Key Digital KD-X444S 4K/18G HDBaseT POH Extender:1. Higher price point compared to other HDBaseT extenders on the market.
2. May require professional installation due to the complexity of HDBaseT technology.
3. Limited compatibility with certain devices that do not support HDBaseT.
In conclusion, the Key Digital KD-X444S 4K/18G HDBaseT POH Extender is an excellent choice for those looking for a high-performance, long-distance solution for transmitting 4K video, audio, and Ethernet. Its support for Power over HDBaseT and 18Gbps bandwidth make it a reliable and future-proof option, but its higher price point and potential need for professional installation may make it less attractive to budget-conscious consumers. Ultimately, the decision to purchase this extender will depend on your specific needs and budget.
Recommendation: If you are looking for a high-performance, long-distance solution for transmitting 4K video, audio, and Ethernet, and are willing to pay a premium for that performance, the Key Digital KD-X444S 4K/18G HDBaseT POH Extender is a great option. However, if you are on a tighter budget, there are other HDBaseT extenders on the market that may better suit your needs.
Details:
No cords included this is for only the tx box as shown box was previous working.
specifications vidioaudio:
- brand: Key Digital
- mpn: Kd-x444s
- model: Kx-x444s
- type: Hdbaset Balun
- unit type: Unit
- upc: 815996020709
payments vidioaudio:
- other
- credit card: mastercard
- wallet: paypal
seller vidioaudio:
- # reviews: 5185
- rating: 99.9%
- city: buffalo, new york
general vidioaudio:
- category: Electronics > Tv, Video Home Audio
returns vidioaudio:
- policy: returns accepted
- method: money back
- paid by: seller
- time: 30 days
offer vidioaudio:
- started: july 27, 2024
- sold #: 29
- availability: in stock
- in stock #: 5
- best offers: true
- options: ship-to-home
- prices: $69.99–$355.00
- item condition:
- Used
- Open box
- New
shipping vidioaudio:
- carrier: usps
- type: fixed
- service: usps ground advantage
- transit: 5-9 days
- class: standard
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