Add Yahoo as a preferred source to see more of our stories on Google. Positive Grid Spark models on white Unless you've been living under a rock you'll have heard of the Positive Grid Spark. This ...

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 ...

The Spark 2 from Positive Grid looks like a miniature old-school amp, but it is, essentially, a computer with some knobs and a speaker. It has Bluetooth, USB-C, and an associated smartphone app. It ...

Positive Grid's Spark amp is helpful for practicing musicians, but its size and heft haven't been practical if you've wanted to jam in the bedroom or otherwise venture beyond your studio. Thankfully, ...