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๐ก Amplify your viewing experience โ donโt miss a single channel!
The Channel Master TV Antenna Booster CM-3424 is a 4-port distribution amplifier with a 7.5dB gain and built-in LTE filter, designed to enhance and split antenna signals across multiple TVs. Its weatherproof housing supports indoor and outdoor use, improving signal strength and reducing pixelation for non-amplified TV antennas. Ideal for professionals seeking reliable multi-room HD reception without cable subscriptions.









| ASIN | B0B11PGHJF |
| Antenna | Radio, Satellite, Television |
| AntennaDescription | Radio, Satellite, Television |
| Best Sellers Rank | #2,661 in Electronics ( See Top 100 in Electronics ) #833 in Home Theater Accessories |
| Brand | Channel Master |
| Built-In Media | TV Antenna Booster 4, Power Adapter |
| Color | Black |
| Customer Reviews | 4.4 out of 5 stars 779 Reviews |
| Global Trade Identification Number | 00020572034241 |
| Impedance | 75 ohm |
| Item Weight | 11 ounces |
| Manufacturer | Channel Master |
| Mfr Part Number | 020572034241 |
| Model Number | CM-3424 |
| Number of Channels | 4 |
| Number of Items | 1 |
| UPC | 020572034241 |
| Unit Count | 1 Count |
L**O
Antenna signal amplification
Did exactly what I needed, great product, easy to install. Worked right out of the box.
J**R
The darn thing actually works!
I live in the mountains surrounded by trees. I have a good digital over-the-air antenna, but I live far away from most of the TV signals. Mountains, Trees, Distance. If you want to kill an over the air signal that's how you do it. I've tried a half-dozen of these booster things with virtually no benefit, and honestly I was hesitant to buy another one. I'm familiar with the Channel Master brand, so I rolled the dice and decided to give it a try. I was ready to accept failure once more, and was startled that my reception increased by 40%, maybe 50%! Signal strength for existing channels and I'm now receiveing channels that I didn't know existed. I changed nothing with my antenna or conditions. I simply added this to the antenna line that feeds three TV's and plugged it in. It works great! I'm very surprised. Now I'm an electrician so installing this was easy for me, and in reality if you have an electrical outlet that can be used to power it, and are capable of attatching the TV co-ax cables, this is an easy installation. If you need someone to help you, don't hesitate, it's an easy install for someone who is versed in such things. This is an easy 5 stars. I'm still surprised and very pleased at how well this Channel Master Booster works. I didn't think it could be done.
R**T
Trusted Brand and Works Great
Had to replace my old powered 8db gain per channel Splitter( different brand) due to power failure surges. I live in a rural area. I went with this 7.5db gain per channel Splitter(close enough). This is very sturdy, seems to be well made. Has a little weight to it which surprised me. Very easy to hook up and works well with no loss I can see. Also, had to replace the 28db PreAmp( different brand) at the antenna. Used the Channel Master adjustable 17 to 31db gain PreAmp. Even set at the low end I am able to pick up about twice the amount of channels during a scan. Picture very sharp and clear. Very pleased with these units and Channel Master.
J**R
Works Well but Gain Improvement Was Smaller Than Expected
The Channel Master 4-port TV antenna distribution amplifier does work with my over-the-air antenna setup, but the signal improvement was not as strong as I originally hoped for. Before installing it, my signal measurements were averaging around 36, and after installation they increased to about 42. So there definitely was an improvement, just not as dramatic as I expected. I was hoping for a stronger boost considering my distance from the broadcast towers. That said, the amplifier has been stable and reliable so far. I have not experienced any interference issues, and the built-in LTE filter seems to be doing its job properly. I live roughly 40 miles away from the broadcasting towers, so getting a perfectly strong signal is already somewhat challenging at that distance. The 4-port setup is also convenient for distributing the antenna signal to multiple TVs without needing extra splitters. Installation was straightforward, and the unit has been easy to set up and use. Even though the gain increase was smaller than expected, it still improved my signal enough to help, and the connection has remained stable.
R**.
Works great for me!
Helps get more channel! Have had for about a year now and no problems! Seems like very high quality!
V**Y
Works great.
I live in a rural area 90 miles from the TV stations. I have a large antenna with pre-amp on a 40 ft tower to pull them in. 75% of the channels were completely perfect, but a few (namely Fox who always seems to operate at half the power of others and always seems to conflict with another nearby Fox channel) were borderline or poor. I had a 3 way spiltter that I replaced with this distribution amp and it helped to settle reception on some channels due to the boost (not half power Fox though). It also - depending on weather - allowed pulling in some side band stations. Overall, happy with the product and performance. Via my TV diagnostics my signal to noise ratio was only 15-17 with the TVs automatic amplifier running at 50%.. After I installed this, my signal to noise ratio improved to 18-22 with the TV automatic amplifier down to 30%. So real results in a difficult long range environment. It additionally filters out interference such as 5G which is a problem in my area, this device solved that part completely.
D**2
NICE ADDITION WITH EXTRA OUTPUTS
Very good! Incredibilly sturdy! Great connections! Love the blue ON Light! Not sure about signal strength because without power antenna plugged in , I didn't get my usual 64 stations! With power antenna plugged in I got all the 64 stations! Best thing is output options!
R**T
Need to install as close to antenna as possible and not just before the tv
To my surprise, it actually boosts the over the air tv signal quite a bit, it's a keeper!
B**S
Useless - The included ac adapter is not UK socket compatible
Unless a suitable adapter is provided it os useless. Please provide a UK socket adapter. If one is provided asap, happy to change review.
V**L
Lo malo
Solo agrego 5 canales
L**W
Good product
works ok
P**R
Great signal booster
Great booster, has 4 outputs which help my televisions catch a better signal on my local channels.
A**R
Well worth the price
I live S//E of Detroit, Michigan and installed an attic antenna in November. I was getting 66 broadcast stations. The signal booster brought it up to 80 stations. There are many broadcast stations that I wouldn't watch but there's good core of about 40 stations to choose from. All are clean, strong stations. The booster was a very good one time purchase.
Trustpilot
2 weeks ago
4 days ago