A passive phone amplifier will make your phone audio louder, but some look like trash. Build this wooden one so your setup both sounds and looks good.

Here’s a nostalgic vibe of an awesome analog chip from the 1990s era that’s still making an impact in audio designs.

We may have seen other homemade vacuum tubes before — we even recently featured a DIY X-ray tube — but there’s something about [jdflyback]’s tubes that really gets us going.

Whether for DIY projects or professional use, this amplifier ensures a seamless audio experience. Explore the details of its design and discover how it transforms sound with remarkable efficiency ...

Learn how to make a mini amplifier at home with this beginner-friendly DIY electronics tutorial! 🔊⚡ This project is perfect for music lovers, school science fairs, or hobbyists. Use basic ...

Costing a few cents short of $2,200, the Cambridge Audio EXA100 integrated amplifier certainly has a tick in that 'expensive' column. Cambridge Audio wants your $2,199 / £1,999 / around AUS$3,900 ...

An audio amplifier can boost the small incoming audio signal’s voltage by increasing its voltage, and current. The degree to which the amplifier magnifies the low-level input signal compared to its ...