The LIVE is the latest member of the Spark family, and while on the surface, it may look like a more powerful version of the original practice amp, it's actually a lot more than that. This new amp can ...

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 ...

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 ...

Easy to use. Clean, classic design. Sounds great and is reasonably loud. Affordable. Thousands of sound presets, play-alongs, and tips inside the Positive Grid app. Only eight hours of battery life.