Ultra Portable Smart Guitar Amp & Bluetooth® Speaker Jaw-dropping, room-filling sound with advanced acoustics powered by computational audio. Seamless integration with Spark App. Bluetooth speaker, audio interface, rechargeable battery, and headphone/line out. The Positive Grid Spark GO battery-powered combo amplifier allows you to play whenever and wherever you want. Seamless integration with the Spark App provides immediate access to amps, pedals, auto chords, Smart Jam mode, 50,000 tones on the cloud and much more. At just 3.5" high, Spark GO delivers unexpectedly big sound for its size, taking up almost no space, but filling the entire room with stunning sound. Boundary-pushing computational audio creates the full, detailed tones of a much larger speaker. With rugged construction, extra hardshell grille and black strap, the Spark GO is designed to go anywhere, and even fits on your pedalboard. Features: Authentic grille cloth cover Removable sleeve, strap and grille fit your style Lay flat for omnidirectional tone, stand on edge for in-your-face sound Four preset locations you can program Listen or play through high-fidelity optimized speakers Use as your headphone amp Specif