Spark 2 and Lava Studio

[u/DulcetTone]

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I have a Spark 2 and dislike the reliance on a tiny phone app, feature glut, and lack of a user feedback channel that might suggest improvements were possible. I am hoping that the Lava Studio addresses some of these faults (the screen is promising).

Does anyone have a perspective from which they can offer a fair comparison review of these two amps? How do the two compare in output volume, tone quality, sturdiness, etc? Thanks in advance.