Top 10+ Best Indoor TV Antenna Amplifiers in 2021 (Reviews & Buyers Guide)

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Best Indoor TV Antenna Amplifiers in 2021: With the help of an indoor TV antenna, you will be able to get tonnes of channels to watch and enjoy. All these channels will even be in great quality so that you don’t have to contend with subpar content. If you feel like outdoor antennas are a lot of hassle to put up and maintain them indoor TV antennas are the perfect alternative for you. What’s more is that with indoor TV antennas you won’t have to worry about it flying off, getting damaged or getting knocked off in strong winds or rain and such. Even if lightning storms are raging outside you can be assured that nothing will happen to your indoor installed TV antenna and you don’t have to incur losses. 

So right now having an indoor TV antenna seems to be much better than an outdoor TV antenna. But is it? After all, one of the major drawbacks of indoor TV antennas is the fact that it doesn’t offer the range and quality which outdoor antennas can give. This is because it is in the house and installed at a much lower level when compared to the outdoor antenna which is put up on attics and rooftops. As a result, more obstructions restrict the signals. So you will find yourself having more issues when it comes to getting proper signals for channels. But there is a solution to this and that’s getting an indoor TV antenna amplifier. 

An amplifier will boost the signals so that you can get more channels to watch. You will be able to watch all these channels in high quality with great sound. So you won’t be missing out on any aspect. So you will get more range and that too without having to install your antenna up on the rooftops. This will make your life easier and lessen your maintenance cost and hassle both. 

But many manufacturers are making indoor TV antenna amplifiers. In such a situation, how will you know which are the best and more importantly, which ones which will suit your needs best? To help you out, here’s a list of the very best indoor TV antenna amplifiers for you. 

Top 10+ Best Indoor TV Antenna Amplifiers in 2021 [Reviews]

Indoor antenna amplifiers will give you better signal quality so that you can watch the channels in better quality. Not just that you will get more channels to watch as well. The amplifiers mentioned below are the very best and will give you the best possible results. These are: 

1. All-New 2020 Indoor HDTV Digital Antenna

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  • Weight: 3.52 ounces
  • Dimensions: 1.97 x 1.18 x 1.18 inches
  • Range: 150+ miles

With this antenna amplifier, you will get a whopping long range of more than 150+ miles. This means that you will be able to catch a lot more signals which will let you tune into more channels. You will get this as a result of the 4K intelligent-chip embedded in the signal booster. You will be able to enjoy CBS, ABC, NBC, FOX, THE CW, PBS, and more with it, and that too in crystal clear 4K HDTV. There won’t be any pixelation at all. What’s more, is that you will get to enjoy the local news, sitcoms, weather news, sports, and kids’ content as well. It is a whole package in one. 

The amplifier comes with a very sleek and paper-thin design that looks elegant. It’s not bulky at all so you won’t feel like you are installing something ancient in your home. As a result of this design, you can even hide it easily if you don’t want it to you see. 

What’s more, is that it is very easy to set up this amplifier. It is a very simple plug-and-play machine that will prevent you from undertaking any hassle when it comes to installation. To make things easier there is an instruction manual that comes with it so that you can figure it out easily. 

The coaxial cable comes with a solid central conductor as well as 3 layers full of aluminum-shielding. There’s also a durable outer layer of PVC which helps protect it against the radio frequency as well as electromagnetic interference. This will help it deliver more consistent performance. To help you get consistent performance, there’s 24/7 technical support to help you out. 


  • Great range
  • Layered coaxial cord
  • More channels


  • Not weatherproof

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2. Antennas Direct 4-Port TV Distribution Amplifier

  • Weight: 1.2 pounds
  • Dimensions: 4.5 x 3.63 x 1 inches
  • Range: n/a

This amplifier will help you get the signal strength you need to enjoy the channels you love. But there’s more to it than that. If you live in a large family with many TVs then you will need something which can support it all. This is here to do just that. With this amplifier, you will be able to overcome the signal loss caused by splitting the tv signal among the 4 TVs. As such you can rest assured that you will get reliable reception on all 4 TVs even if they are in different rooms. 

This amplifier comes with weatherproof housing, which means that you can put it both inside as well as outside. Such durability and weatherproofing will give you more to work with. But do remember that the power supply part is for indoor usage only. 

With each port, you will get an amplification of 7.5dB. The amplifier comes with a power supply and 3ft of coaxial cable. The cable is made of durable material which will ensure that it lasts longer and you get a consistent connection. 

The package comes with instructions so that the device isn’t difficult to install at all. The instructions are all easy to understand and you will be able to set the amplifier up without any problems. To make things easier for you the amplifier also comes with 90 days of warranty. As such you can use it without any worries. 


  • Weatherproof
  • Supports 4 TVs
  • Easy to set up


  • 7.5dB amplification 

3. RCA Digital Amplifier for Indoor Antenna

  • Weight: 11.2 ounces
  • Dimensions: 3.9 x 2.9 x 6.1 inches
  • Range: n/a

This amplifier will help improve the performance and strength of your indoor TV antenna. With this amplifier, you will be able to watch more TV channels than before. Along with the quantity, you will get quality as well since you will get the videos in high-quality. Be prepared to get both local and national networks to watch and enjoy. 

This amplifier was specifically made for catching digital signals, but it works for analog signals as well. This will be very beneficial for people with passive TV antennas. The amplifier optimizes the signals to get the very best possible coverage. So even if your indoor antenna works in a very challenging area, the signal transmitted will be clear and crisp. 

This amplifier works on improved gain. Also along with this, it preserves signal purity. It does this by using the ELN or Extremely low-noise circuitry. As a result of this, you don’t have to deal with high noise levels. So you will be able to watch your show in peace and high quality due to these low noise levels. 

It’s very easy to install the amplifier. All you have to do is connect the antenna’s cable to the amplifier’s input jack. After that, you will have to connect the built-in cable of the amplifier to the converter box’s antenna port. But do note that reception and signal quality depends on a lot more things like terrain, distance from TV transmitter and such. 


  • Easy to install
  • Catches analog and digital signals
  • Low noise


  • No weatherproofing

4. Port Cable TV/Antenna/HDTV/Internet Digital Signal Amplifier/Booster/Splitter/Equalizer

  • Weight: 1.1 pounds
  • Dimensions: 3.75 x 4.56 x 1.06 inches
  • Range: n/a

This amplifier will let you boost the signals to the antenna so that you can watch more channels. Know that this device comes with 4 ports so that you will be able to connect 4 devices to it. You will be able to do this without losing any signal strength, unlike normal splitters. So this will be beneficial for large families with up to 4 TVs. There will be no pixelation or drop in quality in any way at all. 

It can do this since it boosts the signals in a very intelligent manner. The amplifier limits those signals which are naturally stronger on the lower frequency range. Instead, it boosts these frequencies which are on the very higher end. So, since the TV signals generally lose strength faster on higher frequencies when compared to the lower frequencies, there’s less of a chance of over amplifying the TV signals. Over amplification can cause another set of issues. 

When it comes to gain, you will get a minimum of 0dB on the lower frequency end of 54MHz. This means that there will be zero signal loss. It will give you upwards of 7.5dB on the higher end of 1000MHz. The amplifier is easy to set up and it is compact as well. So you will find that it is indeed to place and store it with ease. It won’t take up much space. This device comes with weatherproofing and can withstand heavy environmental threats. What’s more, is that it is capable of fully enduring any repeated and great power surges. This is due to the self-resetting circuit that is inbuilt in it. 

The amplifier will help in enhancing the digital, analog as well as the HDTV picture quality. It improves the VHF, UHF, and the FM antenna signal reception as well. Due to this, you will be able to use this amplifier with OTA antennas and cable TV both. When it comes to OTA antennas you will be able to use it with both non amplified digital and analog antennas.


  • Supports 4 TVs
  • Intelligent signal boosting
  • Weatherproofed


  • Might be a little big for some

5. Winegard FL5500A FlatWave Amped Digital HD Indoor Amplified TV Antenna

  • Weight: 5.4 ounces
  • Dimensions: 12 x 0.6 x 13 inches
  • Range: 50 miles

With the help of this amplifier you will be able to enjoy weather news, local news, live sports as well as other content on channels, both local and national. You will get to watch all the top-rated content fully free and in HD using Dolby-Digital Surround-Sound using this. There will be no pixelation or signal loss. 

This amplifier comes with a low noise feature of just one dB so that you can watch your program in peace without getting disturbed. With lower noise comes greater video quality as well. The amplifier comes with two 3M strips of command brand. 

The amplifier makes use of a mini 18.5-inch coax cable to connect to the indoor TV antenna. These cables are well coated which makes them durable and resistant to tear and wear. This ensures more consistency and a lesser chance of signal dropouts. Along with this coax cable, the amplifier also comes with a 3 inch USB power-cable packaged with a 110v adapter. 

You will be able to use this amplifier on UHF and VHF TV antennas and get a range of more than 50 miles. Also, this amplifier is ultra-thin, which makes carrying, storing, and placing it very easy. What’s more, is that it is very easy to install. Once you have installed it, make sure to run a primary channel scan so that you know what channels you are getting. It’s always advisable that you run such a channel scan monthly so that you can keep yourself updated on the available channel list. 


  • Low noise
  • Easy installation
  • More channels


  • The range could be better

6. GE 4-Way TV Antenna Amplifier Splitter Clears Up Pixelated Low-Strength Channels Distributes Signal to Multiple TVs

  • Weight: 13.6 ounces
  • Dimensions: n/a
  • Range: n/a

This amplifier works as a signal booster that will help enhance as well as strengthen the TV signal received. The device will work with not just indoor TV passive antennas, but with outdoor ones. Just that both the types have to be non-amplified. This amplifier will help clear up the low-strength pixelated or fuzzy channels which you might get. It depends on the distance you have to the local TV transmitters. 

It is very easy to install the device because all you have to do is connect it to the coaxial cable coming from the antenna and going to the TV. A great advantage of this amplifier is that it works with antennas of all kinds of brands. With this, you will be able to improve the UHF and VHF reception as well as boost the HD broadcast-signals.

Once it has been installed you should carry out a channel scan. This will tell you what channels you have. Also, make sure to perform a channel scan once a month at least so that you get to know which channels you have. 

Using this amplifier you will be able to hook up to a total of 4 devices. This device will help increase the reception quality well by boosting the signals received from the channels present in the area. To connect the 4 devices you will need to use the F-type coaxial-connectors. For that, you will need to use the coaxial cable. But that isn’t included in the pack and has to be bought separately. 


  • More channels and signal strength
  • Easy to install
  • Supports 4 TVs


  • No weatherproofing

7. Channel Master Ultra Mini TV Antenna Amplifier

  • Weight: 12 ounces
  • Dimensions: 5.75 x 8.5 x 2.25 inches
  • Range: n/a

This amplifier will help you get better and boosted TV signals throughout your house. Even though it has only one output port, you can use it in CATV, HDTV, analog, off-air, as well as for digital RF-distribution too. A big advantage of this amplifier is that it works with all kinds of antennas with ease. You will find that there will be zero pixelation as a result of this device and you will be able to watch videos in high quality. 

Using this amplifier you will get to watch more channels and get better signals- both video and audio. Whether it is weather news, local news, sports, etc. you will get to watch it all on a variety of local channels. Apart from local channels, you will get to enjoy a variety of network channels as well. The noise from the device is low at 2dB. So you will be able to watch your favorite shows in peace. 

In this pack, you will get a power adapter and 6ft of RG6 coax cable. This cable comes with a durable coating so that there’s no wear and tear. Due to this the cable lasts long and gives you consistent performance without any signal dropouts. The device has been weather sealed, which allows you to use it for both outdoor and indoor installation. This means that you will be able to use it in any kind of climate without any issues. 

It is very easy to install the device. For one it is compact and small in size, which will save you space when it comes to placing or storing it. There’s a user guide which will tell you how to install the amplifier safely and accurately. With the help of this, you don’t even have to take the help of anyone else. 


  • Better signals
  • Weatherproof
  • Low noise


  • The small size might troublesome

8. 9Port Bi-Directional Cable TV Splitter Signal Booster/Amplifier

  • Weight: 1.15 pounds
  • Dimensions: 6.4 x 4.2 x 4.2 inches
  • Range: NA

This amplifier comes with full-compatibility with the cable TV services. There is a big advantage to getting this amplifier and that is 8 output ports. This means that you will be able to attach 8 devices to these amplified ports. All the ports carry the same signal levels as the input port in the reverse and forward directions both. As a result of this, you don’t have to worry about signal loss at all. All the devices attached will get optimum video quality. 

Due to this dual reverse and forward feature, you will be able to connect to any kind of device with cable TV and don’t have to worry about anything else. You will be even able to use a cable-modem on the 8 ports as well. There is also a Modem-Bypass port there which will let you effectively connect any kind of device to the amplifier. This will help ensure that the device keeps on operating even if there’s a power failure. 

The device is waterproof as well as surge-protected using a self-resetting system. So you can use it without worrying about it getting damaged during frequent power surges. Since the amplifier is also waterproof so you can rest assured that it will last for a long time even if it gets splashed with water. 

It has a very unique mounting system which ensures that it can get mounted vertically or horizontally using two kinds of sets for the mounting brackets. Such a system will give you much better mounting options, whether outside or inside of your house. Such flexibility will let you figure out where you want to mount it according to your needs. Another advantage is that you will be able to power the device from any kind of location by using a power inserter. But this isn’t included in the package, you will have to buy it yourself as you will have to connect cables as well. 


  • Waterproof
  • Surge protected
  • 8 ports


  • Power inserter and connection cables not included

9. RadioShack Inline Antenna Signal Amplifier

  • Weight: 8.8 ounces
  • Dimensions: 6.5 x 3.4 x 3.1 inches
  • Range: n/a

Using this antenna you will be able to get a reliable and stronger signal that will let you watch the TV channels you like. You will get those channels in higher quality to enjoy. What’s more, is that you will get to watch extra channels as well. 

The device will give you gain of up to a good 15dB so that there’s less signal loss due to long cables or in-line devices. 

The device also produces less noise so you will be able to watch your favorite channel in peace. You will find that the amplifier is small, compact, and easy to install. 

The amplifier works for both UHF and VHF. You will get a 120-volt power source with it. Along with this, you will also get a whole 90 days worth of warranty for its parts. 


  • Great gains
  • Easy to install
  • Warranty period


  • No weatherproofing

10. Winegard LNA-100 Boost TV Antenna Amplifier

  • Weight: 0.16 ounces
  • Dimensions: 8.5 x 0.75 x 1.5 inches
  • Range: n/a

This amplifier will help you get a better range and boosted signal so that you can enjoy crystal clear HDTV service. The device boosts any kind of indoor TV antenna which isn’t amplified. Your non-amplified TV antenna won’t be able to pick up all the channels. Using this device you will be able to view more channels. Whether it is the weather, news, or sports you will get more, local, and national both. 

The amplifier is very easy to install. There’s printed documentation that will help you along the way. Along with this, the device comes with a 110V Adapter as well as a USB power cable. Using this power cable you will be able to connect it to the antenna. 

The amplifier ensures that there’s less pixelation and you can enjoy high-quality videos without signal dropouts. This amplifier will work well with both UHF and VHF signals. The typical gain for UHF is 20dB whereas for VHF it’s 15dB. The noise levels are very low in this amplifier at just one dB. So you will be able to watch your favorite channel in peace and also at a higher quality. 

This device comes with an inbuilt FM trapper, which ensures that there’s no interference with various kinds of digital channels. Due to this, you will be able to enjoy smooth and consistent signals. The amplifier comes with an LED indicator that will inform you about the connection status. 


  • Inbuilt FM trapper
  • Low noise
  • Great signals


  • No weatherproofing

Buying Guide to Choose the right Indoor TV Antenna Amplifiers 

An indoor antenna amplifier will let you get great ranged and boosted signals. With the help of this, you will be able to view a lot more channels and at a higher quality. You will also get multiple ports with many such amplifiers to connect multiple TVs too. 

The advantages of getting an amplifier are many, but you also need to learn which one is a genuine product and which ones seem like a scam. So to help you out, here are some basic features which you should keep in mind when you are buying an indoor TV antenna amplifier. 

1. Noise

Low-quality amplifiers will create a lot of noise when they are working. Too much noise won’t let you watch anything in peace. As such when you are buying tell the dealer to just show you how the machine works. This will let you know how much noise there is. After seeing the demonstration judge for yourself and see if that’s comfortable for you. While deciding, remember that the lower the noise the better because that much better the amp will be. Ideally, the noise shouldn’t be more than one or two dB. 

2. Antenna or Satellite

You might be going out to buy an amplifier that works exclusively with various kinds of antennas. But if you buy one which works with satellites as well then you will get an extra advantage. As a result of this, you will get improved transmissions and get more channels to watch as well. 

3. Gain

Gain refers to the boost the amp will give to the signals. So the better the boost the greater the signals. A lower end product won’t give you good gain and as a result, you won’t have good gain control. As such you should always look for high-end gain control. 

4. Ease of installation

Always get those amplifiers that are easy to install. Don’t take on extra hassle if you can’t handle it. If you are, especially worried about installation then get those which come with easy to follow guides. Also, make sure that your product has a warranty. Without you might face problems if something accidentally goes wrong. 

Frequently Asked Questions (FAQs) About Indoor TV Antenna Amplifiers in 2021

1. Should indoor TV antenna amplifiers be weatherproofed?

Generally, indoor TV antenna amplifiers are not weatherproofed simply because they are made to be used inside a house. So it’s assumed that it will remain safe from high winds, water, and such which generally affects an outdoor TV antenna amplifier. But if you are planning on installing the amplifier outdoor then you should get a weatherproofed amplifier. This will make it last longer. 

2. How many ports should an amplifier/splitter ideally have?

You can get an amplifier/splitter with as many ports as you want to be provided that the signal doesn’t get split. If the signal gets split, then it will get slowed down and you will get sub-par quality of channels on the various devices connected to the port. To be safe, get an amplifier that comes with 4 ports. 

3. Where should the amplifier be mounted?

You can mount the device wherever you like. Some amplifiers come with a flexible mounting system which makes this process easier. If you have to set up the amplifier in a tight space, then look for such amplifiers with a flexible mounting feature. 

4. Is there any guarantee that there will be more channels after installing an amplifier?

There will never be a guarantee as such. This is because signals are heavily dependent on a variety of factors like terrain, distance from TV transmitters, obstructions, and more. So the kind of channels you will get varies from one location to the other. 



Indoor TV antenna amplifiers will let you get a better range and signals. Due to this, you will be able to enjoy a lot more channels and a higher quality of videos as well. So if you want more in terms of channel quality and quantity then get an amplifier.