While the rechargeable internal battery of the Spark Mini freed players up to choose where they wanted and needed to play, the GO takes that idea further. Because it's so small and ruggedly built with ...

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 ...

4 key things we learned from our time with the new little wonder amp that's £89 / $109 / €99 When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.