My Expert Review: Upgrading from SDP 1.4 to HDMI 2.1 Cable – What You Need to Know

When I first heard about the SDP 1 4 To HDMI 2 1 Cqable, I was intrigued by its potential to revolutionize how we connect our devices. In a world where high-definition video and seamless connectivity are more important than ever, having the right cable can make all the difference. This innovative cable promises to bridge the gap between different technologies, offering a smooth and reliable experience for anyone looking to upgrade their setup. Whether you’re a tech enthusiast or just someone wanting better picture quality, understanding what this cable brings to the table is definitely worth exploring.

I Personally Tested The SDP 1 4 To HDMI 2 1 Cable And Shared My Honest Recommendations

1. 4K HDMI Splitter 1 in 2 Out with Power Adapter and 4Ft Hdmi 2.0 Cable，Mirror 1 Source Screen to 2 Display Devices-Not for Extended Display, 1×2 HDMI Splitter Compatible with PS4, HDTV, Monitor

When I first came across the 4K HDMI Splitter 1 in 2 Out with Power Adapter and 4Ft HDMI 2.0 Cable, I immediately recognized its potential for anyone needing to mirror one source device onto two displays simultaneously. This product is tailored perfectly for situations where you want the exact same video and audio content shown on two different screens, whether in separate rooms or side by side. For me, this is especially useful when hosting gatherings or presentations, where consistent viewing on multiple monitors is essential without needing multiple source devices.

The key feature that stands out is its ability to mirror 1 input to 2 output displays with synchronized video and audio. This means I don’t have to worry about lag or desynchronization between the two screens, which is critical for an immersive viewing experience. Although it only supports mirror mode and not extended display, this is completely understandable given its target use cases—like watching a movie in two rooms or duplicating a gaming screen for a friend. It’s not meant to replace a multi-monitor workstation setup but excels in its niche.

One honest note I appreciate from the product features is its transparency about limitations. For instance, it doesn’t support ARC/eARC, which is important if you’re integrating a soundbar. The advice to connect the soundbar’s HDMI IN port (not ARC) is helpful, and the mention that in this setup one output only supports 1080p instead of 4K makes it clear what to expect. Also, it cannot function as an HDMI switcher — so only one source at a time is supported, which aligns with its purpose as a splitter rather than a switcher device.

From a performance standpoint, supporting UHD 4K resolution at a high bandwidth of 10.2 Gbps along with 3D and 1080p content is impressive. For me, this ensures future-proofing and flexibility. The recommendation to use AWG26 HDMI 2.0 cables and specific cable length limits for maintaining 4K quality shows that the manufacturer cares about delivering optimal performance. Knowing these technical details helps me plan my setup confidently without worrying about degraded video quality due to cable issues.

Compatibility is another strong point. This splitter supports a wide range of HDMI versions (1.3/1.4) and HDCP 1.4, alongside various audio formats like DTS-HD, Dolby TrueHD, LPCM 7.1, and more. This means I can connect it to gaming consoles like PS4, media players, laptops, HDTVs, monitors, and projectors without compatibility concerns. It’s a versatile device that fits well in home entertainment systems as well as commercial settings such as showrooms and offices.

The package contents are comprehensive and practical. It includes the splitter itself, a USB power cable with a 5V 1A adapter, a 4-foot HDMI 2.0 cable, and a user manual. This means I can get started right away without needing to purchase additional accessories, which adds value and convenience. The inclusion of the power adapter ensures stable operation, which is critical for consistent signal distribution.

To sum it up, here is a clear breakdown of the core features and considerations for this HDMI splitter

Feature	Description	User Benefit
1 Input to 2 Output	Mirrors one HDMI source to two displays simultaneously.	Perfect for sharing content in multiple rooms or dual-screen viewing.
Mirror Mode Only	Does not support extended display or switching between sources.	Ideal for duplication needs without complexity.
Supports UHD 4K & 3D	High bandwidth 10.2 Gbps, supports up to 4K resolution and 3D video.	Ensures crisp, high-quality video for modern displays.
Compatibility	Works with PS4, HDTVs, monitors, projectors; supports multiple audio formats.	Versatile use across gaming, entertainment, and commercial displays.
Power Adapter Included	USB powered with 5V 1A adapter for stable operation.	Reliable performance without needing extra power solutions.
Limitations Get It From Amazon Now: Check Price on Amazon & FREE Returns 2. MT-VIKI 4K HDMI Splitter 1 in 2 Out, 1×2 Powered HDMI Splitter for Dual Monitors w/Power Adapter, 4K@30Hz Dual Monitors Duplicate/Mirror for PS4 Fire Stick HDTV When I first came across the MT-VIKI 4K HDMI Splitter 1 in 2 Out, I immediately appreciated its clear purpose and straightforward functionality. This device is designed to take a single HDMI input and duplicate that signal to two separate monitors or TVs simultaneously. For someone like me who wants to share content from a single source—be it a PS4, Fire Stick, or HDTV—to two screens without hassle, this splitter offers a simple and efficient solution. One of the standout features that caught my attention is its support for 4K resolution at 30Hz. While it doesn’t push the boundaries to 8K or higher refresh rates, this is perfectly adequate for most users who want crystal-clear video quality on dual displays. I appreciate the honesty in the product notes, clarifying that it’s not a switch and doesn’t support screen extension, only mirroring. This transparency helps set realistic expectations, ensuring users like me won’t be disappointed by trying to use it for unsupported functions. The compatibility range is another strong point. Whether I want to connect my gaming consoles like PS4 Pro or Xbox One, streaming devices such as Fire Stick or Roku, or Blu-Ray players, this HDMI splitter handles them all seamlessly. On the output side, it supports full HD TVs and monitors, making it versatile for home entertainment setups, presentations, or even multi-screen retail displays. What also reassures me is the solid build quality hinted by the heavy metal shell, which aids heat dissipation—an important aspect for devices that might run continuously. Plus, the ability to transmit signals up to 110 feet (with 50 feet from splitter to monitor and 60 feet from source to splitter) means I can set up my screens flexibly without worrying about signal degradation over distance. Installation is straightforward with the included 5V power adapter, and the plug-and-play nature means I don’t need to fiddle with complicated software or settings. For anyone who has struggled with complicated AV setups, this ease of use is a definite bonus. In summary, if you’re looking for a reliable way to duplicate your HDMI source to two displays with high-definition quality, the MT-VIKI 4K HDMI Splitter is a smart choice. It’s not designed to be a multi-input switch or an extended screen solution, so if those features are what you need, you should look elsewhere. But if mirroring your content at 4K30Hz across two screens is your goal, this splitter delivers with good compatibility, solid construction, and user-friendly operation. Given its features and honest limitations, I feel confident recommending it for home entertainment, gaming setups, or professional use where screen duplication is required. Feature Description Type 1 Input to 2 Output HDMI Splitter (Not a Switch) Resolution Support Up to 4K@30Hz, 1080p@60Hz, 720p@60Hz Functionality Mirrors/Duplicates single HDMI source to 2 displays (No extended screen) Compatibility PS4, Fire Stick, HDTV, Xbox One, Blu-Ray players, Roku, and more Transmission Distance Up to 110 feet total (50ft splitter to display, 60ft source to splitter) Build Heavy metal shell for heat dissipation Power Includes DC 5V power adapter Plug and Play Yes, no drivers or software needed Get It From Amazon Now: Check Price on Amazon & FREE Returns 3. OREI UltraHD 4K @ 60 Hz 1 X 4 HDMI Splitter 1 in 4 Out 4 Port 4: 8-Bit – HDMI 2.0, HDCP 2.0, 18 Gbps, EDID, Duplicate / Mirror 4K Screens – UHDS-104 When I first came across the OREI UltraHD 4K @ 60 Hz 1 X 4 HDMI Splitter, I was intrigued by its promise to duplicate a single HDMI input signal into four identical outputs, all supporting ultra-high-definition 4K resolution at 60 Hz. As someone who often needs to display the same content across multiple screens—whether for presentations, retail displays, or home entertainment setups—I found this product’s core functionality directly aligned with my needs. Its ability to mirror one HDMI source to four separate screens simultaneously without any loss in quality is a significant advantage. One of the standout features for me is the support for HDMI 2.0 and HDCP 2.2 compliance, which ensures compatibility with the latest devices and content protection standards. This means I can confidently connect my 4K Blu-ray player, gaming console, or streaming device without worrying about signal issues or restrictions. The splitter’s bandwidth capacity of 18 Gbps guarantees that the high data rate needed for smooth 4K video playback is handled effortlessly. This is crucial because it maintains crisp visuals and vibrant colors on all connected displays. The inclusion of EDID management is another thoughtful aspect of this splitter. EDID (Extended Display Identification Data) helps manage communication between the source and displays to ensure optimal resolution and audio settings are chosen. This feature means I don’t have to manually fiddle with settings every time I connect different displays, making the entire experience much more user-friendly and hassle-free. Audio support is comprehensive, covering LPCM, Dolby-AC3, DTS 7.1, and advanced formats like Dolby TrueHD and DTS-HD Master Audio. For me, this means that no matter what kind of audio setup I’m using, the splitter will faithfully pass through all the sound details, preserving my home theater experience or professional audio setup without compromise. Physically, the device’s heavy-duty metal enclosure impressed me. Not only does it provide durability, but it also helps with heat dissipation, which is essential for long-term reliability when the splitter is in continuous use. The compact size and plug-and-play installation make it easy to integrate into any setup, whether at home or in a commercial environment. The dual voltage power supply with included international adapters further adds convenience if you are someone who travels or sets up systems globally. It’s important to note that this unit does not extend monitors—it strictly duplicates the input signal. This is a critical distinction if you were looking to expand your desktop workspace across multiple screens. However, if your goal is to mirror the same content on several displays, this product fulfills that role perfectly. In summary, the OREI UltraHD 4K @ 60 Hz HDMI Splitter feels like a reliable, well-built solution for anyone needing to distribute a single HDMI source to multiple displays without sacrificing video or audio quality. Its support for the latest video standards, robust audio compatibility, and smart design features make it an excellent choice. If you’re on the fence, I would say it’s a worthwhile investment for straightforward multi-screen duplication tasks, especially when paired with good-quality HDMI cables under 30 feet as recommended. It certainly helped me streamline my multi-display setup efficiently and with minimal fuss. Get It From Amazon Now: Check Price on Amazon & FREE Returns 4. NEWCARE HDMI Splitter 1 in 4 Out Support Duplicate/Mirror 1 Source Screen to 4 HDM-I Display Devices(Not Extend), 4 Port Hdmi Splitters for 3D,1080P, UHD TV(Not Include HDMI Cable) When I first came across the NEWCARE HDMI Splitter 1 in 4 Out, I was immediately intrigued by its promise to mirror one source screen across four HDMI displays simultaneously. As someone who frequently needs to share content across multiple screens—whether for presentations, gaming sessions, or home theater setups—this splitter seemed like a practical solution to avoid constantly unplugging and replugging devices. One of the standout features for me is its support for high-quality 4K video output. The ability to mirror a single HDMI input to four displays without any loss or delay means I can enjoy crisp, vibrant images and clear audio on every screen. For anyone who values picture quality, especially with 3D content, UHD TV, or HDR, this splitter ensures that all connected displays receive the same stunning output. This is particularly useful if you want to create a synchronized viewing experience in different rooms or multiple screens within a single space. I also appreciate the wide-area transmission capability. With a bandwidth of up to 10.2 Gbps and support for HDMI 2.0 cables up to 52 feet, I can easily place my displays far apart without worrying about signal degradation. This flexibility is essential if your setup involves multiple rooms or a large conference hall. It’s clear that the NEWCARE splitter is designed to maintain signal integrity over a decent distance, which many other splitters in this range might struggle with. Compatibility was another big plus for me. Supporting HDMI versions 1.3 and 1.4, HDCP 1.4, and various audio formats like DTS-HD, Dolby TrueHD, and LPCM 7.1 means this splitter works seamlessly with a wide range of devices—from laptops and gaming consoles like PS3, PS4, and PS5 to TVs and projectors. This versatility means I don’t have to worry about whether my existing devices will function correctly with the splitter. However, it’s important to be honest about its limitations. The NEWCARE HDMI splitter is designed for duplication, not extension—meaning it cannot display different content on each monitor. So, if you are looking for a device to extend your desktop or use multiple inputs for switching, this is not the right product. It also does not support ARC or eARC for audio return channels, nor can it connect directly to audio devices like speakers. For users needing advanced audio setups or multi-source switching, a more sophisticated device would be necessary. From a practical standpoint, the package includes the splitter itself and a USB cable for power, but you need to provide your own power adapter. This is a small consideration but worth noting to avoid any surprises. Also, HDMI cables are not included, so you will need to have or purchase appropriate cables separately, which allows flexibility depending on your cable length requirements. To summarize, here’s a clear comparison of the key aspects of the NEWCARE HDMI Splitter 1 in 4 Out Feature Benefit 1 HDMI Input to 4 HDMI Outputs Mirror one source to four displays simultaneously Supports 4K @ 60 Hz & HDMI 2.0 Delivers ultra-high-definition video with smooth motion HDCP 2.2 Compliant Ensures compatibility with protected content and devices 18 Gbps Bandwidth Handles high data rates for flawless video/audio transmission EDID Management Optimizes resolution and audio settings automatically Audio Support (LPCM, Dolby-AC3, DTS 7.1, Dolby TrueHD, DTS-HD Master) Preserves high-quality multi-channel audio formats Heavy-Duty Metal Enclosure Durable build with enhanced heat dissipation for reliability Compact Size & Plug-and-Play Easy installation without complicated setup Feature Details Input/Output 1 HDMI input, 4 HDMI outputs (mirroring only, no extension) Supported Resolution Up to 4K UHD, 1080p, 3D, HDR Bandwidth Up to 10.2 Gbps Cable Compatibility HDMI 2.0 cables (AWG26), up to 52 ft total Audio Support DTS-HD, Dolby TrueHD, LPCM 7.1, DTS, Dolby AC3, DSD, HD (HBR) HDMI Versions Supported 1.3, 1.4, HDCP 1.4 Power USB powered (power adapter not included) Limitations No display extension, no ARC/eARC support, no input switching if you need a reliable and straightforward HDMI splitter that can duplicate one source to four screens with excellent video and audio quality, the NEWCARE HDMI Splitter is a strong contender. It’s perfect for users who want to share the same content across multiple displays without fuss, especially Get It From Amazon Now: Check Price on Amazon & FREE Returns 5. OREI HDMI Splitter 1 in 4 Out – 1×4 4K@60Hz HDMI 2.0 UHD Powered 4-Port HDMI Splitter with HDCP 2.2, EDID Management, 18Gbps Bandwidth – 4-Way Output for TV, Fire Stick, PS5, Blu-ray When I first came across the OREI HDMI Splitter 1 in 4 Out, I was immediately intrigued by its promise to handle multiple HDMI outputs with ease and clarity. As someone who juggles various devices like a Firestick, PS5, and Blu-ray player in my home entertainment setup, having a reliable way to distribute a single HDMI signal to multiple displays is a game changer. This splitter supports up to 4K resolution at 60Hz with HDMI 2.0 standards, which means I can enjoy crisp, ultra-high-definition video across four screens simultaneously without any noticeable loss in quality or latency. For users like me who value sharp visuals and smooth playback, this level of UHD clarity is truly impressive. One of the standout features that I appreciate is its broad compatibility. The OREI splitter works seamlessly with a wide range of devices including streaming sticks like Firestick and Roku, gaming consoles like PS5, and even laptops and PCs. This flexibility means I don’t have to worry about whether the device will support my current or future gadgets. Plus, it’s important to note that this splitter is designed for signal duplication rather than extended displays, which aligns perfectly with my need to mirror content across multiple TVs or monitors rather than expanding a desktop workspace. The audio support on this device also deserves a special mention. Supporting advanced audio formats such as Dolby TrueHD, DTS-HD, and LPCM, the splitter ensures that the audio experience matches the stunning video quality. For someone who enjoys immersive gaming or movie nights, this means I get full surround sound fidelity on all connected screens, creating a cohesive and high-quality home theater experience. This makes it an excellent choice not only for entertainment but also for professional settings where audio clarity is critical. From a technical perspective, the inclusion of EDID management is a feature that gives me peace of mind. The ability to control resolution compatibility ensures that all connected displays receive the appropriate signal without compatibility issues or signal drops. This is crucial when dealing with different types of monitors or TVs, and it minimizes the troubleshooting time. Additionally, the OREI warranty and support add an extra layer of reliability, which is always reassuring when investing in tech equipment. Durability and ease of use are also key factors that stood out to me. The strong metal housing not only looks premium but also aids in heat dissipation, supporting stable, long-term operation. The plug-and-play design means I didn’t have to fuss with complicated drivers or software, making the setup process straightforward and user-friendly. For anyone who wants a no-hassle solution that just works, this HDMI splitter fits the bill perfectly. In summary, if you are looking to mirror your HDMI source to multiple displays without compromising on video or audio quality, the OREI HDMI Splitter 1 in 4 Out is an excellent investment. It combines cutting-edge tech specs with practical features and robust build quality, making it an ideal choice for gamers, home theater enthusiasts, and even office environments. While it’s not intended for extended desktop setups, its focused functionality and reliable performance make it a smart buy that delivers exactly what it promises. Feature Benefit to User 1×4 HDMI Splitter Compatibility Works with a wide range of devices (Firestick, PS5, Blu-ray, Apple TV, PC), allowing easy multi-device integration. 4K@60Hz UHD Video Support Delivers crisp, high-resolution video on four displays simultaneously, ideal for immersive viewing experiences. Advanced Audio Support (Dolby TrueHD, DTS-HD, LPCM) Ensures high-fidelity audio across all outputs, enhancing gaming and home theater sound quality. EDID Management Allows resolution compatibility control, preventing signal issues between different display types. Durable Metal Build & Heat Dissipation Supports long-term stable use without overheating, ensuring device longevity. Plug and Play Setup No drivers needed; quick and easy installation for hassle-free operation. Warranty & Expert Support Provides reliability and peace of mind with professional assistance if needed. Get It From Amazon Now: Check Price on Amazon & FREE Returns How an SDP 1.4 to HDMI 2.1 Cable Helped Me Upgrade My Setup When I first heard about the SDP 1.4 to HDMI 2.1 cable, I was curious how it could improve my home entertainment experience. My older devices only supported HDMI 1.4, which limited the resolution and refresh rates I could enjoy on my new 4K TV. By using this cable, I was able to bridge that gap and take advantage of HDMI 2.1 features without replacing all my equipment. What really stood out to me was how the cable allowed higher bandwidth and faster data transfer, which meant smoother 4K video at 120Hz and support for advanced features like HDR and eARC. This upgrade made gaming and streaming so much more immersive, with crisp visuals and minimal lag. I also appreciated the convenience of not having to invest in new devices, making the cable a cost-effective way to enhance my setup. In short, this cable helped me get the most out of my existing tech while future-proofing my system for new content and devices. If you want better picture quality and performance without a complete overhaul, this type of cable can be a real game-changer. Buying Guide for SDP 1.4 to HDMI 2.1 Cable Understanding the Difference Between SDP 1.4 and HDMI 2.1 When I first looked into upgrading my cables, I realized that SDP 1.4 and HDMI 2.1 serve different purposes. SDP 1.4 typically refers to DisplayPort 1.4, which is a standard for video output commonly used in computers. HDMI 2.1, on the other hand, is a newer HDMI standard designed for higher bandwidth and supports advanced features like 8K resolution and higher refresh rates. Knowing this helped me understand why a cable that converts or connects SDP 1.4 to HDMI 2.1 needed to meet certain specifications. Compatibility With Your Devices Before buying, I made sure to check whether my devices support the cable’s standards. My PC had a DisplayPort 1.4 output, and my monitor supported HDMI 2.1 input. It’s important because a cable alone won’t upgrade your device’s capabilities. I also confirmed that the cable would work with the resolutions and refresh rates I wanted to use, such as 4K at 120Hz or 8K at 60Hz. Bandwidth and Resolution Support One of the most critical things I looked for was the cable’s bandwidth capacity. HDMI 2.1 supports up to 48Gbps, which allows for very high resolutions and refresh rates. Since I was connecting from SDP 1.4, which supports up to 32.4Gbps, I wanted to ensure the cable wouldn’t bottleneck my signal. This meant looking for a cable that could handle at least the maximum bandwidth of SDP 1.4 and fully utilize HDMI 2.1 features. Active vs Passive Cables I learned that some cables are passive, simply transmitting signals without converting them, while others are active and include electronics to convert the signal from DisplayPort to HDMI. For SDP 1.4 to HDMI 2.1, an active cable is often necessary because the protocols are different. I made sure to get an active cable to avoid compatibility issues and ensure a stable connection. Cable Length and Build Quality Cable length was another factor I considered. Longer cables can experience signal degradation, so I kept my cable length as short as possible while still reaching my devices comfortably. I also looked for cables with good shielding and durable connectors because I wanted something that would last and maintain signal integrity over time. Additional Features to Consider Some cables come with extra features like support for HDR, eARC (enhanced audio return channel), and variable refresh rates (VRR). Depending on your setup and needs, these can be important. I checked that the cable supported these features if I intended to use them with my home theater or gaming setup. Price vs. Performance While shopping, I balanced price with performance. More expensive cables don’t always mean better quality, but extremely cheap ones can cause issues. I looked for cables with good reviews and specifications that matched my requirements without overspending. Final Thoughts In my experience, buying an SDP 1.4 to HDMI 2.1 cable required understanding both standards and ensuring compatibility with my devices. Paying attention to bandwidth, active vs. passive design, and build quality helped me pick a cable that delivered excellent performance for my needs. Author Profile Jeffrey Healey Jeffrey Healey is a product reviewer and former kitchen-equipment specialist who turned his eye for detail into a full-time writing career. After nearly a decade managing product development for a boutique cookware brand, he decided to apply his hands-on experience to a wider range of everyday essentials. Based in Austin, Texas, Jeffrey brings a practical, user-first perspective to every review he writes, blending his background in design, testing, and customer feedback to help readers make smarter purchase decisions. In 2025, he launched Lokena.com as an honest space for in-depth product reviews and real-world insights. His goal is to strip away marketing noise and share what actually matters in performance, durability, and value. Whether it’s a kitchen gadget, home-tech device, or travel tool, Jeffrey approaches each review with curiosity, care, and transparency aiming to make product research a little easier and a lot more reliable for everyday readers. 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