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44 of 44 people found the following review helpful
on April 8, 2013
I purchased several of these when I was installing LED RGB strip lights around the perimeter of my porch. In case you don't know, you can only run 1 string (5 meters long, about 16.5') of RGB LED strip lights from the RGB controller; for additional strings you must use a signal amplifier.

These amplifiers may take some ingenuity to mount since the terminal blocks cover the mounting slots (for the most part - 1 end is completely covered, the other about 80%), so don't count on using just a couple of screws to hold them in place. I chose to use zip ties. Fortunately I was able to drill a couple of holes above and below the amplifier and snake a zip tie through them and back out. It isn't the prettiest installation in the world but it works.

I installed 4 strings of lights. I chose to use 4 amplifiers just so all of the light levels would be the same. I could have gotten away with only 3 (powering 1 string from the RBG controller) but chose not to since the extra amplifier was not expensive.

Wiring is a snap. All terminal connections are clearly labeled. One feature that isn't mentioned in the instructions is the power wiring. There are 2 power wire connections - 1 consisting of a 5mm round plug-in connection, and the 2nd via screw terminals on the opposite side. You only need to power 1 of these - not both. I chose to use the screw terminals.

These particular units are NOT waterproof! Don't use them outdoors or where they can be subjected to excessive moisture.

After an initial goof up of getting the power wiring polarity incorrect, I got all strings working properly. About the wiring problem - you don't need to be too concerned about wiring these things backwards - they just don't work if wired improperly - you won't burn anything up by doing it, they just won't work.

All in all these are fine units. The cases are sturdy aluminum and the screw terminals work well. I've already purchased more of these for another RGB LED strip light project.
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12 of 13 people found the following review helpful
on July 24, 2013
I use these in a theatre setting, in scenery and props onstage. They are lower resolution (a bit steppy at the low end, which leads to less consistent color) than more expensive DMX decoder/drivers. In a standalone setting where fine control is not as important, though, they'd be just fine.
Another piece of advice I haven't seen anywhere else: if you want consistent output, you should install these every ~12 feet instead of the full 16.4 feet of a reel of LED strip. The voltage tends to drop pretty far toward the end of the strip due to the small traces running along it. In my current project, with them installed in a continuous loop around the inside of a billboard frame and spaced at 16.4', it is quite obvious where one strip ends and the next begins due to the intensity and color shift. I have not tried it yet, but I think it may be the case that I would get more consistent color between the LED strips if the amplifiers were spaced closer together.

As other people have mentioned, mounting these is quite easy - all you have to do is pull out the green phoenix connectors which will expose the flange slots.
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4 of 4 people found the following review helpful
on July 16, 2013
I ordered two of these as well as 12v 6a Adapter Power Supply for LCD Monitor with Power Cord (from Stiger) and find them to work well together. I wanted to run more lights than the LED controller should be expected to handle and found these do the expansion job quite nicely.
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2 of 2 people found the following review helpful
on September 20, 2014
With a proper power supply, this RGB Amplifier/Repeater works exactly how it is supposed to work and within specifications. This RGB Amplifier/Repeater currently powers three sets of LED strips with various extension cords. The three runs are as follows:
- A 5m 4-pin extension cable powering 2m's of 30 LEDs per meter RGB 5050 LEDs equivalent to 7m's with 60 LEDs. 2.4A maximum current.
- A 5m 4-pin extension cable powering 3m's of 30 LEDs per meter RGB 5050 LEDs equivalent to 8m's with 90 LEDs. 3.6A maximum current.
- A 1m 4-pin extension cable powering 2m's of 30 LEDs per meter RGB 5050 LEDs equivalent to 3m's with 60 LEDs. 2.4A maximum current.

The maximum amperage (without voltage drop) that I am putting through this device is 8.4A. I currently a having no issues running this power through this amplifier for hours on end. The construction of this device is fairly sturdy and is a bit bigger than what it looks like on the image. I can imagine you could throw this at a solid wall and it would probably still function.
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1 of 1 people found the following review helpful
on November 14, 2014
Doesn't accurately amplify the rgb signal. At full brightness, you can see a very slight color difference if you look closely. However, when the lights are dimmed, the signal coming out of the receiver will be orange (for example), but the signal coming out of the amplifier will be green. I tested this with two different units of this product with the same result. Double-checked that the connections were correct. When all strips were connected to the receiver only, the color was identical throughout, so I know the fault must be with these amps.
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1 of 1 people found the following review helpful
on January 5, 2014
Works but most times the repeat of colors is out of sink with the main unit think it should work beter
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1 of 1 people found the following review helpful
on February 20, 2015
Will not pass all white on led strips. Fade option will cause amp to flash the white on the led strip.
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2 of 3 people found the following review helpful
on March 2, 2014
I used 9 of these to make a 50 meter circle of light for a game room installation. After being installed for about 3 months (and being left on 16 hours a day, every day), these have worked well, and are suitable for use as repeaters. I started having issues in testing when fast color changes were sent to repeaters that were 'down the chain', but the issue was isolated to one side of the loop (I used one repeater per 5m string, to keep color consistent, and so as not to potentially overload any one power supply) and since these essentially 'sense' PWM frequency (rather than any actual digital 'data'), the problem could very well have been RFI, plus weakened 'signal', combined with accumulated 'jitter' noise from the degrading/drifting signal chain - there are lots of variables in a 5 meter, 100x3-LED signal path (with ~3000 soldered connections). Long story longer, I like these and they are a bargain! I bought spares, and plan to use them in a DMX setup soon - which I will post about somewhere here.
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2 of 3 people found the following review helpful
on October 1, 2013
The reason I only put 4 stars was because I had to switch the Blue and Black wires on both sides. This was super easy and if I could take only a half a star away I would.
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2 of 3 people found the following review helpful
on September 13, 2013
These were cheap and a good price, and yet they work perfectly. I am using 5 of them for my outside porch and haven't had any problems.
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