[for guitars] Depends on what you consider professional. We've made a simple, cheap, modular project that works in hard conditions for a long period of time and

[for guitars] Depends on what you consider professional. We've made a simple, cheap, modular project that works in hard conditions for a long period of time and has enough quality for a gig. https://medium.com/@leolorieri/underground-bands-get-more-watts-for-less-money-a8fdcdff98b0 https://medium.com/@leolorieri/underground-bands-get-more-wa...