Review on Monoprice 1x4 HDMI Amplifier Splitter - Cat6 Extender Kit, Full Solution: Extend Up to 50m (164 Feet), Transmit 1 HDMI Signal to 4 Displays (Works with PS4/5, Xbox, Apple TV, Fire Stick, Roku, Blu-Ray Player) by Joseph Stone

When I found Monoprice's 1-Wire HDMI over Ethernet solution, I thought it was a great solution. Turns out it's not that great. Initially, the devices work very well, but over time they age and eventually do not have enough power to send a signal to TVs. However, there are several solutions. The solutions, as well as my experiences and some technical information, are listed below. Solution 1: If you have an option, i.e. the 2 ethernet wires go where the output TV goes, try to find a solution with a splitter/amplifier for 2 ethernet wires. Monoprice used to have one, but it looks like they don't carry it anymore. Check out the technical information why this solution is better. I would really recommend looking for another option. Solution 2: [Update: Unfortunately this solution seems to be temporary and the device is still not working. I have 3 of these and they all have the same problem. Save yourself the same expense and headache and look elsewhere.] Get ready to upgrade your power supply. The power adapter that comes with these devices appears to be *just* enough to power the device. As it ages it seems that it takes a bit more energy to carry the signal the required distances. The supplied 3 ampere power supply cannot deliver that much power and the signal breaks down. This 8A power supply was powered by my 8-Output Amplifier/Splitter (NEWSTYLE 5V 8A AC/DC LED Strip Power Converter Adapter 5.5 x 2.1mm Male for WS2811/2801 LED String) fed. However, a 6 amp power supply will likely fit both 4 and 8 output units. Background: When I was remodeling my house I found this single ethernet cable solution, so I ran an ethernet cable to each of my TVs to distribute my CCTV. innings A year later, however, the signal in the feed began to disappear. I contacted Monoprice and they replaced the unit as it was still under warranty. A little over a year has passed and this device has also failed. In the meantime, I was able to determine that these devices definitely had a design flaw. However, I completed my remodel and was unable to connect an additional cable to my TVs to switch to a 2-wire solution without recalibrating my house. Not wanting that, I paid for a new block. At least it buys me time. Unsurprisingly, the signal disappeared just over a year later. By now I suspected that the devices were too weak. Bought a bigger power supply. This seemed to fix the problem, at least for now. The signal has been restored, but who knows if it will last. Technical Information: Full details can be found online, but a short version to get you started is here. HDMI cables have several separate wires (usually 18-19). The exact number depends on the HDMI cable and the supported features (3D, Infrared, Ethernet). The Ethernet cable has 8 wires. By not supporting higher functions (e.g. 3D) and using a common ground, you can reduce the number of lines required for HDMI and send the HDMI signal over 2 Ethernet cables. To send an HDMI signal down a single Ethernet wire, each wire must carry twice the amount of information (and this requires a block at the end of the wire that knows how to interpret that duplicate information and convert it back into the original signal ). This duplication of information makes these single-line solutions more susceptible to signal loss or interference (as far as I can even explain).