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 ...

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 ...