I have lost track of the number of Bluetooth speakers that have passed through my hands, but it is many. For the most part, they all do the same thing, with some of them sounding better than others.

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 ...

While it's good fun to jam out on the guitar with a powerful amp, unless you have a soundproof room or live on your own out ...

Digital might be a four-letter word in the guitar world, but amp and effects emulation is nothing new; it's been around for some time and it's had a chance to get really good. Californian company ...