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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. DPA Microphones' HMA5000 two-channel high-voltage microphone amplifier provides extended dynamic ...

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 ...

It's capable of driving a wide range of headphones and IEMs.

Audio Note ignores trends again. The Oto SE 35 brings new transformers and PSU to the cult EL84 amp. Low power, big attitude. Hear it at AXPONA 2026.

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 ...

Fosi Audio debuts the C3 AI Gaming Sound Card and MD3 Magnetic DAC/Amp at CanJam NYC 2026, expanding into gaming audio and ...