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 ...

The Spark amp from Positive Grid is paired with a voice-activated mobile app that opens the door to real-time practice and learning tools, and allows players to jam along to tracks from streaming ...

If you think that having a tiny practice amp sounds good in theory, but you're concerned about whether or not such an amp exists that actually sounds good, the Positive Grid Spark Mini is here to ...

At this point, there are basically two kinds of guitar amps: old-school tube amps and modern digital amps that do their damnedest to recreate tube amps. The Positive Grid Spark is decidedly the latter ...