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 ...

We may receive a commission on purchases made from links. Like its predecessor, the Positive Grid Spark 2 is more than just another guitar amp. In addition to providing all the features you'd expect ...

I have a Spark 2 and a Spark Mini. Both are great, and with a cheap wireless transmitter cable-free playing is a nice option. (The Boss Waza Air sounds better, in my opinion, but those also are ...

"Technology is not just a tool. It becomes part of our lives." This is the line in Her, a film about a future where technology feels less like a machine and more like an extension of human emotion.