Best Indoor TV Antenna Amplifier for 2024 (Reviewed by a Radio Engineer)

Struggling with poor TV Antenna reception? In this article, we delve into the best TV signal amplifiers or boosters for indoor applications. These products are designed to boost signal strength and enhance picture quality.

We’ll explore various types of amplifiers, guide you on choosing the right one for your setup, and provide installation tips to improve your viewing experience. Join us to find the perfect solution to ensure uninterrupted and high-quality TV entertainment.

  • The best products are indicated with ⭐
  • Cost-effective products are indicated with 🏷️
ProductApplicationGainFiltersNoise Figure
Channel Master ProfessionalIndoor/Outdoor17 dB / 30 dBEMI / FM / 3G / 4G / 5G< 2 dB
CIMPLE CO Indoor24 dBNone
GE Indoor TV Antenna Amplifier 🏷️Indoor12 dBNone< 2 dB
Channel Master Ultra MiniIndoor/Outdoor8 dBNone< 2 dB
HiDB TV Antenna Amplifier 🏷️Indoor0 dB / 25 dB4G
Winegaard LNA 100 Indoor20 dB

Channel Master

Channel Master signal boosters are one of the most popular for amplifying TV signals. They feature a rugged design. Suitable for Indoor or Attic installation.

Channel Master CM-7779HD PreAmp 1 TV Antenna Amplifier with 5G LTE Filter, Adjustable Gain Preamplifier - Professional-Grade Signal Booster

⭐ One of the most compelling attributes is the presence of EMI, FM, 3G, 4G and 5G signal rejection filters. This eliminates unwanted interference and boosts only relevant TV and HDTV channels.

Two gain options of 17 dB or 30 dB means the amplifier can be set for low or high gain environments and prevent over amplification and TV receiver saturation.

The channel master signal booster features three options with either 1, 4 or 8 output ports. Only the single channel product is intended as a pre-amplifier.

👉 Pre-amplifier vs Distribution Amplifier

Pros

  1. High-Quality Build: Channel Master amplifiers are durable and suitable for both indoor and outdoor use.
  2. Low Noise Figure: They typically feature a low noise figure to minimize distortion and maintain signal quality.
  3. Easy Installation: These amplifiers are user-friendly and can be installed quickly without professional help.
  4. Versatility: Channel Master offers a variety of models for different installation needs.
  5. Improved Signal Strength: Effective at boosting weak signals, which enhances channel reception and reduces issues like pixelation.

Cons

  1. Over-Amplification: Improper use can lead to over-amplification, causing signal distortion.
  2. Cost: Channel Master products are generally more expensive compared to some other brands.

Cimple Co Distribution Amplifier

This amplifier is primarily intended for indoor signal amplification and distribution. With 24 dB of gain, this amplifies weak TV and FM signals.

THE CIMPLE CO 24db Distribution Amplifier | Digital TV Antenna Booster Signal Amplifier, Adjustable Boost/Gain, NTSC, ATSC, FM, UHF, VHF - 1000 MHz - Includes RG6 Coaxial Cable

The adjustable gain feature is a bonus as it can help you optimize for your setup. When doing a channel scan, make sure you set the gain to the max to detect all signals.

THE CIMPLE CO 24db Distribution Amplifier | Digital TV Antenna Booster Signal Amplifier, Adjustable Boost/Gain, NTSC, ATSC, FM, UHF, VHF - 1000 MHz - Includes RG6 Coaxial Cable

Users have reported significant increase in number of channels once this amp was installed.

Pros

  • 300 ft range
  • Easy to set up and use
  • Adjustable gain
  • Cost-effective

Cons

  • No filters for FM, 4G or 5G (which might not be a problem in most indoor situations)
  • Low Build Quality

GE Indoor TV Antenna Amplifier

This is a cost-effective indoor amplifier that has solved the weak TV signal problem for a number of users. It’s a compact product that’s very easy to set up and use.

GE Indoor TV Antenna Amplifier, Antenna Signal Booster, HD TV Digital VHF UHF, Low Noise, AC Power Adapter, Black, 42178

It features 12 dB of gain which is quite a bit lower than the other options on this page. As one customer pointed out, it helps only if you’re barely out of range of the TV channel’s source. Don’t expect this to amplify signals from a TV tower that’s very far away.

Pros

  • Easy to set up and use
  • Cost-effective

Cons

  • Might not be suitable for rural areas and homes that are far away from TV transmitters
  • Cables not included

Channel Master Ultra Mini

This amplifier is a more cost-effective version of the fully featured Channel Master Professional. While its primary application is as a distribution amplifier, many customers have used it as a pre-amplifier. It works well on account of its low noise figure.

Channel Master Ultra Mini TV Antenna Amplifier, TV Antenna Signal Booster for Improving Antenna or Cable TV Signals to a Single Television (CM-3410),White

Pros

  • Cost-effective outdoor amplifier

Cons

  • No FM or Cellular signal filtering

HiDB TV Antenna Amplifier

This is a simple but powerful amplifier with adjustable gain designed to boost varying levels of TV signals received by your indoor antenna.

TV Antenna Amplifier, 25dB High Gain Signal Booster for Digital TV Antenna Indoor, Low Noise/Clears Up Pixelated Amplifier, Adjustable dB&Timer, USB Cable Power Supply

The gain adjustment is very easy and there’s a built in display that tells the user what the level is. Set to max if you are in a remote area or location that’s far away from a TV transmitter.

Pros

  • Cost-effective
  • USB Powered
  • Built-in 4G Filter

Cons

How do you know you need a TV Signal Booster?

You might need a TV signal amplifier if you’re experiencing certain issues with your television reception. Here are some signs that suggest a TV amplifier could be beneficial:

  • Weak Signal: If you’re consistently seeing a weak signal message or experiencing frequent signal loss, it might indicate that the signal strength from the broadcasting tower to your antenna is insufficient.
  • Pixelation or Blocky Images: When the TV signal is weak, you might notice pixelation or blocky images, particularly during bad weather or for channels that broadcast from distant towers.
THE CIMPLE CO 24db Distribution Amplifier | Digital TV Antenna Booster Signal Amplifier, Adjustable Boost/Gain, NTSC, ATSC, FM, UHF, VHF - 1000 MHz - Includes RG6 Coaxial Cable
  • Frequent Drop-Outs: If your television frequently loses the signal and then regains it, or if certain channels often “drop out,” a signal amplifier might help stabilize the reception.
  • Large Number of Obstructions: If there are many obstructions like tall buildings, trees, or hills between your antenna and the broadcast tower, they can weaken the signal. An amplifier can boost the weakened signal to overcome these barriers.
  • Long Cable Runs or Multiple TVs: The signal can degrade along long cable runs or when split between multiple TVs. An amplifier can help by boosting the signal to compensate for the loss incurred over distance or through splitters.
  • Remote Areas: If you live in a remote area, far from broadcast towers, the signal might naturally be weaker by the time it reaches your antenna. An amplifier can help increase the strength of distant signals.

If you’re facing these issues, it might be worth considering a TV signal amplifier.

However, it’s also important to ensure that your current setup is optimized —your antenna should be properly positioned, and cables should be in good condition — as an amplifier cannot fix issues related to poor antenna placement or damaged equipment.

TV Antenna Amplifier, 25dB High Gain Signal Booster for Digital TV Antenna Indoor, Low Noise/Clears Up Pixelated Amplifier, Adjustable dB&Timer, USB Cable Power Supply

How does a TV Amplifier Work?

A TV antenna amplifier, often referred to as a signal booster, works by increasing the strength of the signal received by your antenna. Here’s a breakdown of how it functions:

  • Signal Reception: The antenna captures the broadcast signal transmitted over the air from TV stations.
  • Amplification: Once the antenna picks up a signal, the amplifier boosts the strength of this signal. It does this by increasing the power of the signal, which can help overcome losses due to long cable runs, multiple TV sets, or environmental obstructions like buildings and trees.
  • Noise Reduction: Good quality amplifiers also work to reduce the noise and interference in the signal. Noise is any unwanted electrical interference that can degrade the quality of the TV signal. While amplifying the signal, the device aims to maintain a low noise figure to enhance the signal-to-noise ratio, which is crucial for clearer picture and sound quality.

TV Antenna Amplifier, 25dB High Gain Signal Booster for Digital TV Antenna Indoor, Low Noise/Clears Up Pixelated Amplifier, Adjustable dB&Timer, USB Cable Power Supply

  • Distribution: After amplification, the signal is sent through the coaxial cable to your TV or multiple TVs. The stronger signal ensures that the quality of the reception is maintained or improved, despite potential losses from splitting the signal to multiple outputs or traveling over long distances.

It’s important to note that while amplifiers can enhance the strength of signals that your antenna receives, they cannot create a signal where one does not exist.

They are most effective when used to boost an existing weak signal to a usable level, rather than trying to amplify an extremely poor or nonexistent signal. Additionally, using an amplifier when it’s not needed, or using a poorly designed amplifier, can actually degrade your TV reception by amplifying noise or causing signal overload. Therefore, it’s crucial to assess whether an amplifier is necessary based on your specific reception conditions.

Summary

In this post we have reviewed and compared the specifications of our top picks for TV signal amplifiers.

Here is a list of the best products:

Winegard LNA-100 Boost TV Antenna Amplifier, HDTV Signal Booster, HD Digital VHF UHF Amplifier, Indoor HDTV Ultra Low Noise Amp (USB Power Supply), White