Are you trying to find variable gain amplifiers among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling variable gain amplifiers on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 20 hours of research and did 15 variable gain amplifiers tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best variable gain amplifiers you can buy today
- A wideband (30MHz-4000MHz), high-performance, general purpose LNA module with a built-in variable attenuator to maximize usability and portability
- The attenuation can be controlled either with the on-board potentiometer (analog control) or push button array (digital control)
- Dual amplifier design with adjustable gain (20dB-50dB at 100MHz), low noise figure and low power consumption. Can be powered through bias tee (3.3V-5V), USB, or DC power
- Made in North America
- Includes: 1 TV Antenna Distribution Amplifier and 1 RG6 coax cable
- Use For: This 24db distribution amplifier is used to strengthen signal reception from your antenna to TV, providing high output capability with minimal distortion
- Features: Heavy duty metal housing, with built-in coaxial mounting ports, a power indicator light, adjustable gain control, and return path
- Versatile: Enjoy the control of variable gain in VHF / UHF / FM bands, ATSC, NTSC, FTA, OTA
- This TV amplifier features solid construction that is designed to last
- Low noise, low distortion, with good signal transmission capability.
- 100% brand new and high quality.
- High CMMR(common-mode rejection ratio).
- Adjustable amplification gain.
- 【Wide Application】It's low in properties can be a perfect match various circuits as ideal amplifier buffer amplifiers.
- FAST & ACCURATE: The 200FP-BOX Filtered Tone Probe ensures faster and more accurate cable and wire identification, making it the perfect companion for Tempo's precision tone sources and compatible with any tone generator on the market.
- POWER LINE HUM ELIMINATION: Designed to filter out all power-related noise, our 200FP-BOX tone generator wire tracer guarantees a superior quality trace by eliminating annoying "Power Line Hum," giving you clearer results than other probes.
- SPACE-FRIENDLY & COMFORTABLE: With its slim, comfortable design and compact 3.5mm headphone jack, the 200FP-BOX wire toner tracer is perfect for use in limited-space areas, offering unparalleled convenience over bulkier alternatives.
- RELIABLE USA QUALITY CONTROL: Constructed with durable ABS plastic and a blended carbon/plastic tip, our 200FP-BOX wire tracer undergoes rigorous USA quality control, ensuring top-notch performance and unmatched durability.
- PATENTED TECHNOLOGY: Trust in our patented probe design that minimizes the risk of shorting terminals and guarantees a hassle-free wire tracing experience, setting it apart from generic options on the market.
- 0.1-2000MHz RF Wide Band Amplifier
- Power supply voltage: 9-12 VDC
- High Gain Low Noise LNA Amplifier
- Maximum power output+13dBm 20mW
- It's low in properties can be a perfect match various circuits as ideal amplifier buffer amplifiers.
- FOR HOME STUDIOS & PROFESSIONAL RECORDING: In the studio, boost the signal of quiet instrument sources like vocals, percussion, or acoustic instruments while maintaining the natural sound of your microphone. The Cloudlifter CL-Z is the perfect podcast equipment piece for creators who want to take their production to the next level!
- REDUCE NOISE WHILE ADDING MICROPHONE CLARITY & SIGNAL STRENGTH: The Cloudlifter microphone activator uses Phantom power to give passive mics up to +25dB without passing Phantom power onto the mics themselves. Reduce unwanted feedback while increasing the clarity of your microphones. The Cloudlifter CL-Z adds variable impedance and additional features for specific tonal shaping and control and impedance matching.
- DESIGNED FOR PROFESSIONAL RESULTS: Our home studio equipment is perfect for podcasts, live streaming, radio broadcasts, live sound, and studio recording. It's designed to seamlessly integrate with your preamp, maintaining ease-of-use for any professional.
- EXCELLENT COMPATIBILITY: This microphone activator is compatible with tube, battery, or power supply driven microphones – safe for all passive ribbons with no transfer of Phantom power. Use the innovative CL-Z to shape and contour the sound of your ribbon or dynamic microphone.
- TRANSFORM ANY BASIC MIC: Our mic activator does not power the mics themselves. Instead, place the Cloudlifter at the front of your dynamic mic, hit it with Phantom Power, and watch how the sounds amplify from your basic mic like never before!
- Easy Gain Control for Optimum Signal Balance. With a variable gain dial offering a range from 0 to 24 dB, this antenna amplifier provides precise attenuation control to prevent over-driving and achieve the best performance. The handy gain adjustment feature allows installers to fine-tune signal levels, ensuring superior picture quality with minimal noise and optimal balance during installation.
- Widely Compatible Across Multiple Systems. Supporting a broad frequency range from 47 MHz to 1000 MHz, this amplifier is perfect for FM, UHF, VHF ,catv systems. It excels in setups with long cable runs and multiple splitters, ensuring clean, crisp video even in large homes or office buildings. Note: This amplifier do not work with satellite, boardband network.
- Built-in Surge Protection for Added Safety. This amplifier includes integrated lightning and line voltage surge protection to safeguard valuable equipment from power surges or lightning strikes. It ensures peace of mind by protecting your electrical appliances at home or in the office.
- Exceptional Low Noise and Minimal Distortion. Designed with an extremely low noise figure (≤4.5 dB) and excellent flatness (±1 dB), this amplifier minimizes signal degradation, preventing dropout and pixelation. The amplifier boosts non-amplified antenna signals for a stronger, clearer reception.
- Efficient Power Consumption. With a low power consumption of just 6W, the amplifier is energy-efficient while delivering powerful performance. Its AC 120V/60Hz power supply ensures reliable operation in both residential and commercial installations, without driving up electricity costs.
- 🌟Product Name : Audio Amplifier Module;Chip : LM386
- 🌟PCB Board Size : 41 x 14mm(L*W);Material : Electric Part
- 🌟Onboard LM386 Chip.With 200 multiplier benefits circuit design
- 🌟On-board speaker wire holder
- 🌟On-board 10K variable resistor, you can adjust the Amplification volume
- Name: Onboard LM386 Chip
- Circuit Design: With 200 multiplier benefits
- Resistance: On-board 10 K variable resistor, you can adjust the amplification volume
- Board Size: 41 mm x13 mm
- Operating Voltage: 5 ~ 12 V
- 1000 WATT POWER: The Pyle Dual Channel Car Amplifier is perfect for your vehicle's sound system. Gives you up to 1000W bridgeable output. Features variable subwoofer crossover, variable gain control and high level low impedance MOLEX input connector
- SILVER-PLATED RCA PORTS: The RCA ports are silver-plated for eliminating signal loss. The subsonic filter allows low-end interference to be cut so your speakers will always deliver the highest quality audio
- DISTORTION-FREE: The MOSFET pulse width modulation power supply allows for a clean distortion-free signal to your compact speakers providing you w/ crisp and clear audio for an outstanding music experience
- THERMAL PROTECTION: To keep both your car and the stereo amp safe, this model is equipped w/ thermal, overload and short circuit protection. Has been specially designed from the bottom up to provide safe and high quality sound in a sturdy form factor
- SLIM SIZE DESIGN: This box amp's small size makes installation a breeze, you'll have no trouble finding a spot for this little yet powerful device. Additional features include LED indicators, RCA low level inputs and automotive type fuse protection
- Included Components: 1 Pyramid Branded Product
- voltage: 9-12 VDC
- Maximum power output+13dBm 20mW
- Works With All Indoor or Outdoor TV Antennas - Can Be Installed Indoor, Outdoor or in Attic Due to its Compact Size and Heavy-Duty Weatherproof Housing
- Improves Signal Quality, Decreases Pixilation and May Increase Number of Channels
- Includes Built-in LTE Filter - Blocks Interference From 3G, 4G, 5G Smartphones and Transmitters with EMI & FM Out of Band Filtering (Does Not Pass FM Radio Signals to Avoid Over Amplification Issues)
- Includes Easy Push-Button Adjustable Amplification (17 dB/30 dB) with Flexible USB Powering Options
- Includes Built-in LTE Filter - Blocks Interference From 3G, 4G, 5G Smartphones and Transmitters with EMI & FM Out of Band Filtering (Does Not Pass FM Radio Signals to Avoid Over Amplification Issues)
- Trusted Quality: Channel Master Has Been Manufacturing TV Antennas, Amplifiers and Accessories Since 1949 While Offering Best of Class Warranty and Support
- Onboard LM386 chip, with 20 multiplier benefits circuit design, on-board speaker wire holder, on-board 10K variable resistor, you can adjust the amplification volume.
- LM386 audio amplifier board power indicator,the main feet of the chip has been leaded, can input audio signal directly, wide operating voltage range: 4-12V
- LM386 audio power amplifier to be used for driving small speakers or to build an RC sound module.
- This audio amplifier module is a mono audio amplifier based on the LM386 chip,which is useful for DIY many HAM radio experiments.It is a very cost effective method of small signal amplification.Very convenient instead of using separate components.
- This tiny Op Amp module is good and delivers clear crisp sound.Easy to adjust volume with variable resistor.A convenient screw terminal allows the user to connect a suitable loudspeaker without any soldering.
- [3db Bandwidth of 500mhz] Provides performance for enhanced processing capabilities.
- [Single, ended Input, Single, ended Output] With an input impedance of 200ω and an output impedance of 50ω, ensuring efficient transmission.
- [Output Level Adjustable] Output level is half the supply voltage when the input is , offering flexibility in control.
- [Gain Control Feature Selection] Allows for precise adjustment of gain levels to suit different applications.
- [Power, down Control] Offers convenient power management options for efficient and energy savings.
- 2024 Model that works with All Indoor or Outdoor TV Antennas. Provides higher gain and better results compared to Standard Boosters, Significantly Enhancing Signal Strength and Quality. New design supports current and future digital TV standards like NextGen TV/ ATSC 3.0 and 4k.
- Higher Power Output Compared to Distribution Amplifiers and Amplified Splitters Making it a Better Option For Weak Signal Areas and Installations with Long Coaxial Cable Runs. Compatible with Channel Master Power Passing Splitters (CM-3212HD, CM-3214HD, CM-3218HD) for Whole-Home Distribution to Multiple TV's.
- Includes Built-in LTE Filter with ultra low-noise - Blocks Interference From 3G, 4G, 5G Smartphones and Transmitters with EMI & FM Out of Band Filtering (Does Not Pass FM Radio Signals)
- Improves Signal Quality, Decreases Pixilation and May Increase Number of Channels. (Not Designed for Cheap Quality Powered/Amplified Antennas With Built-In Rotators)
- Powered Over Coaxial Cable Using the Included Power Inserter, Eliminating The Need for an Outdoor Electrical Outlet. Suitable for Both Commercial and Professionally Installed Residential TV Antenna Systems.
- Onboard chip LM386 Audio Amplifier Module. A circuit design with the advantages of a 20 multiplier. Chip: LM386 power amplifier for Arduino EK1236. PCB Board Size: 1.61 x 0.55inch(L*W), Material: Electric Part.
- Car speaker wire clamp. Few peripheral devices; Low distortion; This plate is 200 times the default gain; Onboard horn socket;
- Vehicle-mounted 10K variable resistance, adjustable volume. Components and total are widely used tape recorders and radios being.
- On-board power indicator, the main foot of the lm386 mini audio power amplifier board chip has been led, which can directly input the audio signal.
- Operating voltage:5 ~ 12V, Static low power consumption, static current approximately 2 ma, power audio amplifier suitable for battery power supply.
- 400w RMS ( 13.8v ) | 420w RMS peak ( 14.4v ) at 2 Ohms
- 4 channel monoblock amplifier, Mosfet Class D, Full Range stable at 2 Ohms
- Audio Controls: Crossover ( HPF & LPF 90Hz for channel 1 & 2 ) + ( Bass boost variable from 30Hz ~ 74Hz +14dB for channel 3 & 4 ) | Flat mode where every ajustments on the amp stay disabled and adjustments are made out of the amp controls
- Compact and powerfull cooler for better ventilation and safety long use for hours
- Power connectors ( power / ground ) 6mm², Remote connector 0.75mm², Speakers 2.5mm², Fuse 25A ( max 30cm far from the battery )
- The MAX9814 is a low-cost, high-performance microphone amplifier with automatic gain control (AGC) and low-noise microphone bias.
- The device features a low-noise front-end amplifier, variable gain amplifier (VGA), output amplifier, microphone bias voltage generator, and AGC control circuit
How to choose a good variable gain amplifiers
Does the idea of finding a fantastic variable gain amplifiers make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in variable gain amplifiers. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top variable gain amplifiers products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top variable gain amplifiers on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top variable gain amplifiers brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top variable gain amplifiers based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the variable gain amplifiers were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good variable gain amplifiers, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your variable gain amplifiers.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting variable gain amplifiers for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our variable gain amplifiers. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what variable gain amplifiers should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on variable gain amplifiers.
