The compact, low-cost condenser mic audio amplifier described here provides good-quality audio of 0.5 watts at 4.5 volts. It can be used as part of intercoms, walkie-talkies, low-power transmitters, ...

The MAX9814 is a low-cost, high-quality microphone amplifier with automatic gain control (AGC) and low-noise microphone bias. The device features a low-noise preamplifier, variable gain amplifier (VGA ...

In a new episode of Elektor Engineering Insights, Elektor contributor Roberto Armani demonstrates practical methods for audio ...

Conventional wisdom has it that the solid state era in electronics began in 1948 with the invention of the transistor, or if you wish to split hairs, with the 1930s invention by the Russian [Oleg ...

DPA Microphones' HMA5000 two-channel high-voltage microphone amplifier provides extended dynamic headroom of 10dB more. The signal path is transformerless, allowing a frequency range from 10Hz to ...

1. Is Amplifier Weight an Indicator of Robust Amplifier Design? You have to find out if the amplifier is a Class A/B analog amp or a Class D digital amplifier before you can generalize about weight ...

There’s a new kid in town, A-game Engineering. Its first product is the MA-1122, a battery-operated microphone preamplifier and headphone amplifier. The MA-1122 has a front-panel Neutrik XLR connector ...

We independently review everything we recommend. We may make money from the links on our site. Learn more› By Brent Butterworth Brent Butterworth is a writer dedicated to audio gear. He has been ...