Unless you've been living under a rock you'll have heard of the Positive Grid Spark. This smart guitar combo was an industry disruptor, turning the practice amp market on its head upon release. Four ...

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 ...

Powered amps for electric guitars have gotten some neat tricks powered by modern mobile tech over the years, but the new Positive Grid Spark ($299) might be the one that packs the most intelligence ...

It would be ideal if every guitarist could have a music room dedicated to their instruments. For a lot of us, that isn't realistic, and guitars and amps need to be moved around or stored in a place ...

The stylish, compact, and great-sounding Spark Mini may be pricey, but it also doubles as an uber-portable practice amp. Guitar amp vendors are known for selling the best-sounding consumer audio ...