Mirabox HDMI Extender 400ft

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85%
94%
Signal Quality
85%
Ease of Setup
90%
Build Quality
91%
Transmission Range
89%
Audio Performance
88%
Compatibility with Cables
87%
Durability Over Time
92%
Value for Money
78%
Customer Support
85%
Network Reliability
72%
Installation Complexity
74%
Interference Sensitivity
More

Overview

The Mirabox HDMI Extender 400ft offers an efficient solution for transmitting HDMI signals up to 400ft over standard Cat5e or Cat6 cables. This long-distance transmission capability ensures a stable and reliable signal even at considerable distances, making it ideal for larger setups. The extender supports Full HD 1080p at 60Hz resolution, providing high-quality video and multi-channel audio without compression. The package includes both a transmitter and receiver, making installation quick and easy for both professionals and DIY users.

Features & Benefits

One of the standout features of this HDMI extender is its long-range signal transmission with minimal degradation, ensuring high-quality video and audio even over 400ft of cable. It supports advanced audio formats like Dolby TrueHD and DTS Master Audio, offering a cinematic experience. The extender allows up to 253 receivers to be connected via a LAN network, eliminating the need for additional signal boosters. Its compact design and included power adapters make installation hassle-free, perfect for various AV configurations.

Best For

The Mirabox HDMI Extender 400ft is ideal for professionals setting up large-scale displays or video walls, as it provides reliable HDMI distribution over long distances. It's also great for industrial and commercial environments where video signals need to be transmitted across large areas. Organizations using HDMI-based video for conferences or digital signage will appreciate its consistent performance and easy scalability. Additionally, those in need of a robust solution for AV signal routing in complex installations will find it highly effective.

User Feedback

Many users have praised the Mirabox HDMI Extender for its stable signal quality over long distances, even in environments with multiple electronic devices. Installation is generally considered straightforward, though some users note that a basic understanding of networking is helpful. Positive reviews highlight its durability and the fact that it requires no extra equipment for long-distance signal transmission. A few users have mentioned that it performs best in controlled environments, where interference from other electronic devices can be minimized.

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Pros

  • This HDMI extender reliably transmits signals up to 400ft over Cat5e/Cat6 cables, ideal for long-distance setups.
  • Supports Full HD 1080p at 60Hz, ensuring high-quality video output.
  • It is a plug-and-play solution, including both transmitter and receiver units for easy installation.
  • Ideal for large-scale professional AV setups, including video walls and conference rooms.
  • The ability to support up to 253 receivers with a single transmitter makes it highly scalable for big installations.
  • Users appreciate the device's durability and consistent performance over long distances.

Cons

  • Installation can be tricky for those without basic networking knowledge, as it requires some understanding of LAN setups.
  • In environments with a lot of interference, the signal quality may degrade, especially at longer distances.
  • While the setup is straightforward, some users report that fine-tuning settings can take time for optimal performance.
  • This device is not the most cost-effective for smaller, less demanding applications.
  • Users in non-controlled environments may experience occasional signal drops or instability, particularly in noisy areas.
  • The device may not perform optimally beyond 400ft, even though it is designed for that range.

Ratings

The Mirabox HDMI Extender 400ft has received a range of feedback from verified users across multiple platforms and languages. After filtering out spam, bot-generated, and off-topic reviews, we've compiled a balanced rating that reflects both its strengths and some recurring pain points. Users have generally praised the product's stable performance over long distances, though there are some concerns regarding installation complexity for those unfamiliar with networking setups. Overall, this device stands out for its value, ease of use, and reliability in professional AV setups and large installations.

Signal Quality
94%
Many users commend the reliable and stable signal quality, even over the maximum 400ft range. The HDMI extender consistently delivers clear, high-definition visuals without noticeable dropouts, making it ideal for professional setups where consistent performance is crucial.
However, a few users have reported occasional flickering or loss of signal when the setup is subjected to interference from other electronic devices or poor cable connections. This issue seems to be more common in environments with high electronic density.
Ease of Setup
85%
The setup process is straightforward for most buyers, particularly those familiar with networking equipment. The included transmitter and receiver units are easy to connect, and users appreciate the plug-and-play nature of this solution, making it quick to get up and running.
Some users found the initial installation challenging, especially those without a background in networking. The lack of a detailed setup guide leaves some unsure of the best configuration, particularly for long-distance installations that require network adjustments.
Build Quality
90%
Reviewers frequently mention the solid, durable construction of both the transmitter and receiver units. The compact and well-built design assures users of the extender's longevity, especially in professional environments where frequent use is expected.
A small percentage of users feel that the plastic build of the units could be sturdier, particularly when handling the devices for repeated installations. While it holds up well in most cases, some users would prefer a more premium feel to match its professional applications.
Transmission Range
91%
The impressive 400ft range is a standout feature for users needing to extend HDMI signals over long distances. Many buyers have praised the extender’s performance, especially in commercial and industrial environments where other devices struggle to maintain consistent signal quality at such distances.
While most users report success, a few have experienced reduced performance when the cable runs exceed 300ft, particularly in environments with physical obstructions. In some cases, adjusting the cable quality or network settings has helped mitigate these issues.
Audio Performance
89%
The extender supports high-quality audio formats like Dolby TrueHD and DTS Master Audio, delivering impressive sound alongside clear video. Users in professional AV setups have noted that this feature is especially valuable for environments where sound clarity is just as critical as visual fidelity.
While the sound quality is generally solid, a few users have mentioned occasional audio dropouts or desynchronization when extending the signal over longer distances. These issues seem more prevalent when using lower-quality cables or in environments with interference.
Compatibility with Cables
88%
The extender is compatible with both Cat5e and Cat6 cables, providing flexibility for users to work with existing infrastructure. Many users appreciate this versatility, as it allows them to integrate the device into a variety of AV setups without needing to upgrade their entire network.
Some users report issues with non-standard or lower-quality cables causing signal degradation, especially over longer runs. While the device supports both Cat5e and Cat6, it's clear that higher-quality cables are recommended for optimal performance.
Durability Over Time
87%
Many customers have highlighted the long-lasting performance of the extender, even with frequent use in professional settings. The units are designed to withstand the rigors of regular operation, and several reviews confirm that the performance remains consistent over time.
A few users have noticed that the extender's performance begins to degrade slightly after extensive use in environments with high levels of interference. In some cases, users had to replace or reconfigure the setup to restore optimal performance.
Value for Money
92%
With its combination of performance, range, and professional-grade features, this HDMI extender provides excellent value for the price. Users have praised the device for being an affordable solution compared to other high-end extenders on the market, offering strong features without a hefty price tag.
A handful of users feel the price is a bit high for those who only need a basic extender for shorter ranges. While the device offers excellent value for long-distance setups, some users might not need the full 400ft range and find other options more cost-effective.
Customer Support
78%
22%
The customer support team is responsive and has helped users resolve most issues efficiently. Several buyers have mentioned receiving helpful troubleshooting assistance when encountering setup problems, particularly with network configurations.
However, a few users have expressed frustration with the slow response times during peak periods. Additionally, some reviewers noted that the troubleshooting guides provided were not as detailed as they would have liked.
Network Reliability
85%
The extender works reliably over LAN, providing stable HDMI signal distribution even in environments with multiple devices. Users appreciate the ability to extend the signal to up to 253 receivers without any noticeable degradation in performance.
A small number of users have reported network stability issues, particularly in complex or overloaded networks. In these cases, they had to tweak network settings or use a dedicated LAN to ensure optimal performance.
Installation Complexity
72%
28%
Once set up, the extender operates efficiently with minimal intervention. For those familiar with networking and AV setups, the device offers a relatively simple installation process that doesn’t require advanced technical knowledge.
However, the installation process can be tricky for beginners, especially those who aren’t familiar with network-based HDMI systems. Some users found the lack of a detailed manual and the need for network configuration to be barriers to a smooth setup experience.
Interference Sensitivity
74%
26%
Most users find that the extender maintains a stable signal when installed in environments with low interference. This feature is particularly useful in professional settings where a clean, interference-free signal is critical.
However, in locations with high electromagnetic interference or physical barriers, users have reported occasional signal loss or degradation. This issue is most noticeable when the cable run exceeds 300ft or when nearby devices emit strong signals.

Suitable for:

The Mirabox HDMI Extender 400ft is ideal for professional AV setups, particularly in large-scale installations like video walls or conference rooms. Users in industries such as broadcasting, education, or commercial advertising will benefit from its long transmission range, supporting up to 400ft over Cat5e/Cat6 cables without signal loss. It is especially useful for AV professionals who require stable, high-quality video and audio over long distances without the need for additional boosters. The inclusion of both transmitter and receiver units makes it a plug-and-play solution for users looking for reliability in demanding environments.

Not suitable for:

This product may not be the best choice for casual users or those looking to extend HDMI signals over short distances. While it offers robust features, its setup can be challenging for users without technical knowledge, particularly those unfamiliar with networking or long-distance video transmission. Additionally, those in environments with heavy interference may experience issues with signal quality, especially if the range exceeds 300ft or if the network isn’t optimized. Budget-conscious users with simpler needs might find other, less expensive options more fitting for their needs.

Specifications

  • Transmission Range: Transmits HDMI signals up to 400 feet (120 meters) over Cat5e or Cat6 cables.
  • Resolution: Supports Full HD 1080p video at 60Hz for high-quality video output.
  • Audio Support: Compatible with Dolby TrueHD and DTS Master Audio for high-quality sound.
  • Receiver Capacity: Allows up to 253 receivers to be connected to a single transmitter via LAN.
  • Cable Compatibility: Works with Cat5e and Cat6 Ethernet cables for HDMI signal transmission.
  • Video Formats: Supports Full HD video and 36-bit deep color for vibrant visuals.
  • Power Supply: Operates on a 5V DC power supply, with adapters included for both transmitter and receiver.
  • Units Included: Package includes both a transmitter and receiver unit for easy setup.
  • Network Compatibility: Supports LAN/IP-based transmission for network-based signal distribution.
  • Installation: Compact, easy-to-install units with minimal setup required.
  • Dimensions (Transmitter): Transmitter dimensions: 4.72 x 1.97 x 0.87 inches.
  • Dimensions (Receiver): Receiver dimensions: 4.72 x 1.97 x 0.87 inches.
  • Weight: Each unit weighs approximately 11.3 ounces, making it lightweight for installation.
  • Signal Loss: Transmits HDMI signals with minimal signal loss, ensuring stable performance over long distances.
  • Use Case: Ideal for professional AV setups, large displays, video walls, and commercial installations.
  • Compatibility: Works with a wide range of HDMI sources and displays, making it versatile for various setups.
  • Environment Considerations: Performs best in environments with minimal interference to maintain optimal signal quality.
  • Build Quality: Durable design ensures consistent performance for long-term use in professional settings.
  • Installation Environment: Best suited for controlled environments, such as offices, conference rooms, or media centers.

FAQ

This HDMI extender can transmit signals up to 400 feet over Cat5e or Cat6 cables, making it suitable for long-distance setups in professional environments.

Setting up this device is simple: just connect the transmitter to your HDMI source (e.g., a computer or media player) and the receiver to the display. Use Cat5e or Cat6 cables for the connection between the transmitter and receiver, and plug in the included power adapters for both units.

The Mirabox HDMI Extender 400ft supports Full HD 1080p at 60Hz resolution. It does not support 4K video, so it is not the right choice for setups that require ultra-high-definition video transmission.

This device allows up to 253 receivers to be connected to a single transmitter over a LAN network, making it ideal for large-scale installations such as video walls or conference rooms.

No, the Mirabox HDMI Extender 400ft does not require additional signal boosters or repeaters for long-distance transmission, as it maintains stable signal quality even over extended ranges.

The device supports high-quality audio formats, including Dolby TrueHD and DTS Master Audio, ensuring premium sound quality alongside the video signal.

Yes, this HDMI extender is designed for professional and commercial environments. It is especially useful in settings like conference rooms, large video walls, or industrial spaces requiring reliable and long-distance HDMI signal transmission.

While the extender works well in most controlled environments, users have reported that signal quality may degrade in areas with significant interference, such as locations with heavy wireless or electronic traffic.

The maximum optimal distance for reliable signal transmission is 400 feet, using Cat5e or Cat6 cables. Beyond this range, signal loss or degradation may occur, impacting video and audio quality.

The setup process is straightforward, but a basic understanding of networking and HDMI connections can be helpful, especially when configuring multiple receivers or ensuring stable signal distribution across longer distances.