HEATKEYS

Head-Fi.org: Head-Fi covers headphones, portable audio, earphones, earbuds, headphone amplifiers and audiophile equipment.

Buy and sell electronics, cars, clothing, apparel, collectibles, sporting goods, digital cameras, and everything else on eBay, the world

A community dedicated to helping everyone learn the art of audio. Projects by fanatics, for fanatics!

AudioCircle

All our hi-fi products are designed by Chinese domestic famous diy amplifier enthusiast. Our amp diy kits and finished hi-fi products are made by high-quality PCB and components. Perfect design and quality create superior performance and high-end exp...

Lot of Value, Little Money

K&K Audio - distributor of Lundahl audio transformers in the USA, also manufacturer of DIY audio kits including phono stage, line stage, Digital Analog converter (DAC) and more.

Audio Note kits sells the Audio Note range of valve amplifiers, pre-amplifiers, tube dacs and speaker kits. We produce some of the highest quality tube based audio kits on the market today.

DIY Chip Amplifier Kits, Gainclones PCB

DIY Hi-fi Audio projects blog. Provide affordable audio components and assistant for DIY enthusiast.

AMB Laboratories DIY Audio Site

Find an audio system or speakers for your home and car at PolkAudio.com.