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What is an Audio Amplifier?

An audio amplifier is an electronic device that increases the strength (amplitude) of audio signals that pass through it. An audio amplifier amplifies low-power audio signals to a level which is suitable for driving loudspeakers. The input signal of an audio amplifier may only measure a few hundred microwatts, but its output may be tens or even thousands of watts. Design parameters for audio amplifiers include gain, frequency response, distortion and noise.

Types of Audio Amplifiers

There are many different kinds of audio amplifiers and at Future Electronics we stock many of the most common types categorized by gain, nominal gain bandwidth, output power, maximum supply voltage, packaging type and number of channels. The parametric filters on our website can help refine your search results depending on the required specifications.

The most common sizes for gain are 20 dB, 26 dB, 30 dB, 36 dB and 48 dB. We also carry audio amplifiers with gain as high as 115 dB. The number of channels can be between 1 and 10, with the most common audio amplifier semiconductor chips having 1, 2 or 4 channels.

Audio Amplifiers from Future Electronics

Future Electronics has a full selection of programmable audio amplifier chips from several manufacturers that can be used to design a home audio amplifier, mini audio amplifier, audio amplifier IC (integrated circuit), car audio amplifier, digital audio amplifier, inline audio amplifier, low power audio amplifier, PC audio amplifier, TV audio amplifier or stereo audio amplifier. Simply choose from the audio amplifier technical attributes below and your search results will quickly be narrowed to match your specific audio amplifier application needs.

If you have a preferred brand, we deal with several manufacturers such as New Japan Radio, NXP, ON Semiconductor, STMicroelectronics or Wolfson Microelectronics, among other manufacturers. You can easily refine your audio amplifier product search results by clicking your preferred audio amplifier brand below from our list of manufacturers.

Applications for Audio Amplifiers:

Applications for audio amplifiers include home audio systems, concert and theatrical sound reinforcement and public address systems. The sound card in a personal computer, every stereo system and every home theatre system contains one or several audio amplifiers. Other applications include instrument amplifiers such as guitar amplifiers, professional and amateur mobile radio and portable consumer products such as games and children’s toys.

Choosing the Right Audio Amplifier:

When you are looking for the right audio amplifiers, with the FutureElectronics.com parametric search, you can filter the results by various attributes: by Nominal Gain Bandwidth (22 Hz, 20 kHz, 300 kHz,…), Gain (0 dB, 20 dB, 26 dB, 30 dB, 36 dB, 48 dB,…) and Output Power (27 mW to 200 W) to name a few. You will be able to find the right semiconductor chip from several manufacturers that can be used to design a mini audio amplifier, home audio amplifier, audio amplifier IC (integrated circuit), inline audio amplifier, low power audio amplifier, car audio amplifier, digital audio amplifier, PC audio amplifier, stereo audio amplifier, TV audio amplifier or any other devices requiring an audio amplifier.

Audio Amplifiers in Production Ready Packaging or R&D Quantities

If the quantity of audio amplifiers required is less than a full reel, we offer customers many of our programmable audio amplifier products in tube, tray or individual quantities that will avoid unneeded surplus.

In addition, Future Electronics offers clients a unique bonded inventory program that is designed to eliminate potential problems that may arise from an unpredictable supply of products containing raw metals and products with erratic or long lead times. Talk with your nearest Future Electronics branch and find out more on how you and your company can avoid possible shortages.




Featured Audio Amplifier Products


Manufacturer Part Number Description
New Japan Radio NJM2904M-TE1 NJM2904D Series 0.5 V/us Surface Mount Dual Operational Audio Amplifier - DMP-8
New Japan Radio NJM 4580VTE2 Dual Operational Audio Amplifier
New Japan Radio NJM2902M-TE1 NJM2902M Series 0.5 V/us Surface Mount Quad Operational Audio Amplifier - DMP-14
NXP TDA1517ATW/N1,112 TDA1517ATW Series 19-21 db Gain 8 W BTL Audio Amplifier-HTSSOP-20
NXP TDA1308T/N2,115 TDA1308 Series Class-AB Low Power Stereo Headphone Driver - SOIC - 8
NXP TDA7052BT/N1,118 TDA7052BT Series 40.5 db Gain 1 W BTL Audio Amplifier-SO-8
NXP TDA7052AT/N2,112 TDA7052A/AT Series 1 W BTL Mono Audio Amplifier w/ DC Volume Control - DIP - 8
NXP TDA7052A/N2,112 TDA7052A/AT Series 1 W BTL Mono Audio Amplifier w/ DC Volume Control - DIP - 8
NXP TDA1517/N3,112 TDA1517 Series 2 Channel X 6 W Stereo Power Amplifier - SIL - 9
ON Semiconductor LM2902DR2G LM Series 0.6 V/us 32 V SMT Single Supply Quad Operational Audio Amplifier - SOIC-14
ON Semiconductor LM2904DMR2G LM Series 0.6 V/us 32 V SMT Single Supply Quad Operational Audio Amplifier - MICRO-8
ON Semiconductorr LM324ADR2G LM Series 0.6 V/us 32 V SMT Single Supply Quad Operational Audio Amplifier - SOIC-14
STMicroelectronics LMV324IPT LMV324 Series Input / Output Rail to Rail Operational Audio Amplifier - TSSOP-14
STMicroelectronics LM2902DT LM2902 Series Wide gain bandwidth Low Power Quad Operational Audio Amplifier - SOIC-14
STMicroelectronics LM2902N LM2902 Series Wide Gain Bandwidth Low Power Quad Operational Audio Amplifier - DIP-14
STMicroelectronics LM2904DT LM2904 Series High Gain Low Power Dual Operational Audio Amplifier - SOIC-8
STMicroelectronics LM258DT LM258 Series Large DC Voltage Gain Low Power Quad Voltage Audio Amplifier - SOIC-8
STMicroelectronics LM324N LM324A Series High Gain Low Power Quad Operational Audio Amplifier - DIP-14
STMicroelectronics LM358ADT LM358 Series High Gain Low Power Dual Operational Audio Amplifier - SOIC-8
STMicroelectronics LM358DT LM358 Series High Gain Low Power Dual Operational Audio Amplifier - SOIC-8
STMicroelectronics LM324DT LM324A Series High Gain Low Power Quad Operational Audio Amplifier - SOIC-14
STMicroelectronics LM833DT LM833 Series Low Voltage Noise Monolithic Dual Operational Amplifier - SOP8
Wolfson Microelectronics WM9010ECSN/R WM9010 Series 2 Channel Low Power Class G Stereo Headphone Driver - CSP-12
Wolfson Microelectronics WM9001GEFL 1 W 22 kHz Dual Mode Class AB/D Speaker Driver Surface Mount - QFN-16
Wolfson Microelectronics WM7120AIMSE/RV WM7120A is a low-profile silicon analogue microphone, can supply 1.5V to 3.7V

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