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 ...

MusicRadar Verdict The Positive Grid Spark 40 might just be the ultimate at-home amp. The tones are great, and the smart tech is indeed smart. Auto Chord and Smart Jam are incredible practice and ...

Easy to use. Clean, classic design. Sounds great and is reasonably loud. Affordable. Thousands of sound presets, play-alongs, and tips inside the Positive Grid app. Only eight hours of battery life.

We think you get what you pay for here; it's a fantastic sounding mini modelling amp with an app experience that widens the scope for players of all levels to improve their playing and explore sounds.