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 ...

Positive Grid‘s Spark is a smart guitar amp and accompanying app (iOS/Android) driven by intelligent technology to offer real-time Smart Jam accompaniment, Auto Chord detection and intuitive practice ...

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 ...