Positive Grid Spark Neo: What is it? The Spark Neo headphones are the centerpiece, equipped with Bluetooth and a receiver for the transmitter, culminating in a 100 percent wireless practice solution.

In related news, Vai was forced to play a Fractal modeler during a Beat show in Dubai when his rig was lost in transit. Elsewhere, Billy Corgan has quizzed Vai on his epic guitar battle with Yngwie ...

The Positive Grid Spark Mini Vai is a miniature guitar amp the likes of which you've likely never seen (nor heard) before.

Positive Grid has rolled out Spark 2, the long-awaited sequel to its groundbreaking smart guitar amp, and it does not disappoint when it comes to digital features, with upgrades to be find right ...