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 ...

The Spark 40 raised the bar for practice amp functionality, then the Spark Mini dazzled us with rechargeable mobility. Now Positive Grid's newly revealed Spark GO. And it's really small.

Positive Grid has created a new amplifier complete with a companion smartphone application that can jam along with you using “intelligent technology”.

Through the Spark app, both beginner and experienced guitarists are able to change the amp’s sound to be whatever they want. With a tremendous amount of realistic pedal effects and other tone ...