Many single-supply operational amplifiers are capable of rail-to-rail input operation, if they have the proper input circuitry to support this function. This article is an expansion of the blog post ...

Choosing the best amplifier is an important decision you’ll find yourself making when it comes to setting up your home Hi-Fi or home theater system. Or when stepping up from a soundbar or basic hi-fi.

My 2006 Honda Odyssey has an AUX input that I use for iPhone/iPad audio. It is not really loud enough once you add road noise. Yes, I have the iPhone 5 volume on Pandora/Google Music turned all the ...