Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio salesman, and as a record producer. Steve reviewed audio products for CNET and worked as a freelance writer for ...

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 ...

If you're looking for a portable guitar amp, the Positive Grid Spark GO is an option that has received many positive reviews. Using a portable amp like this means you can play guitar wherever you go - ...

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 ...

San Diego, CA, October 30, 2019 – Positive Grid announces Spark, a smart guitar amp and accompanying app (iOS/Android) driven by intelligent technology to offer real-time Smart Jam accompaniment, Auto ...