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 ...

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 ...

Compact, good-looking design. Easy-to-use app. Dozens of great amps and pedals modeled. Vast number of user-created sounds to explore. Acts as a Bluetooth speaker at the same time as an amp for ...