Easy to use. Clean, classic design. Sounds great and is reasonably loud. Affordable. Thousands of sound presets, play-alongs, and tips inside the Positive Grid app. Only eight hours of battery life.

At this point, there are basically two kinds of guitar amps: old-school tube amps and modern digital amps that do their damnedest to recreate tube amps. The Positive Grid Spark is decidedly the latter ...

Look, practicing guitar can get pretty boring — especially if you’re still plucking away at your beginner guitar and basic practice amp. Unless you want to spend hundreds (or thousands) of dollars on ...