The Best Variable Gain Amplifiers

Looking for the best Variable Gain Amplifiers?

Discover now our comparison of the best Variable Gain Amplifiers. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Variable Gain Amplifiers are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Variable Gain Amplifiers in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1

Vega Barebones - Ultra Low-Noise Variable Gain Amplifier (VGA) Module for RF & Software Defined Radio (SDR). Highly Linear & Wideband 30MHz-4000MHz Frequency Capability w/Bias Tee & USB Power Options

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

No. 2

AD8130 Module Differential Amplifier Module RF Wideband Amplifier Fully Differential Input/Output Low Noise Low Distortion Variable Gain Amplifier Module

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.

SaleNo. 3

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

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

No. 4

Cloud Microphones - Cloudlifter CL-Z - Vari-Z Mic Activator - Ultra-Clean Microphone Preamp Gain Variable Impedance Control - USA Made

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!

No. 5

HiLetgo 0.1-2000MHz RF WideBand Amplifier 30dB High Gain Low Noise LNA Amplifier

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.

No. 6

AtNeDcVh Mini Small Stereo Audio preamplifier, Headphone Amplifier, Gain 20dB Phono Turntable Phonograph preamp, Dual op amp NE5532 with RCA 3.5mm Input to RCA 3.5mm Output

It is applicable to power weak signals into line-level signals. The amplification multiples are 10 times (20dB). It can directly drive the headphone to work (the headphone output port can't be used with other output ports at the same time), the max headphone impedance supported is 16 ohm.
Using the classic Dual OP AMP NE5532, high frequency electrolytic capacitor, noise reduction circuit design, no background noise, effective gain audio, improve sound quality.
Input: RCA (L / R) + 3.5mm, Output: RCA (L / R) + 3.5mm + headphones, Poowered by DC 9-19v, static current about 8Ma. With volume adjustment knob, the volume can be adjusted freely.
Small size, easy to carry and use. The size: 3.42in × 1.96in × 1.45in (87mm × 50mm × 37mm). It is a preamp and cannot be used as a power amplifier to drive passive speakers working.
Widely compatible with all audio devices. Input: DVD, CD, set-top box, MP3, TV, mobile phone, computer, tablet, microphone, phono turntable, sound card, guitar, bass, electronic instrument, game console or other devices. Output: speakers, subwoofer, Sound Blaster, reverberator, AV receiver, Post-Amp, Headphones, etc.

No. 7

Channel Master TV Antenna PreAmp 1-1-Port TV Antenna Pre-Amplifier, Built-in LTE Filter, 17-30dB Gain, Compatible with Non-Amplified TV Antennas, Increases Signal Strength, Indoor/Outdoor

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.

No. 8

QEBIDUM 6pcs Audio Power Amplifier Module, Amplifier Board, Mini LM386 200 Times Gain 10K Solo Mono AMP Circuit Mini Guitar AMPS 200 Times 5V-12V Input 10K Adjustable Resistance

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.

No. 9

3 Consomer Reviews

Ferwooh LM386 200 Times Gain Audio Power Amplifier Module 5V-12V Input Power Amplifier Onboard 10K Adjustable Resistor AMP Board for Sound System Speaker DIY(Pack of 3PCS)

【Amplifier parameter】Onboard LM386 chip, with 20 multiplier benefits circuit design, on-board speaker wire holder, on-board 10K variable resistor(adjustable); on-board power indicator; wide operating voltage range: 5-12V.
【Easy to use】The chip's main pin can be input directly, simplifying the setup process and making the device more user-friendly.A convenient screw terminal allows the user to connect a suitable loudspeaker without any soldering.
【Highly-effective】Employs the LM386 Chip: This power amplifier utilizes the highly-effective LM386 chip, leading to superlative sound quality and performance.
【Wide range of applications】LM386 audio power amplifier to be used for driving small speakers or to build an RC sound module.
【Use principle】This audio amplifier module is a mono audio amplifier based on the LM386 chip,It is a very cost effective method of small signal amplification.Very convenient instead of using separate components.

No. 10

Teyleten Robot MAX9814 Electret Microphone AGC Amplifier Module Auto Gain Control Release Ratio Low THD for Arduino 3pcs

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

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Last update on 2025-04-13 / Affiliate links / Images from Amazon Product Advertising API

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