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 ...

The Spark amp from Positive Grid is paired with a voice-activated mobile app that opens the door to real-time practice and learning tools, and allows players to jam along to tracks from streaming ...

Positive Grid's Spark amp is helpful for practicing musicians, but its size and heft haven't been practical if you've wanted to jam in the bedroom or otherwise venture beyond your studio. Thankfully, ...