JS Boost Controllers Any Good?

[SapperKouki26]

Hey guys i was wondering if anyone was using either version of the js boost controller or even heard of them or anything about them because i am thinking about buying one just wanted to get some input before i buy it. im thinkin the dual stage will be perfect
Your input will be much appreciated

Thanks

[SapperKouki26]

has anyone even heard of or used the js boost controller??
Bump

[S14DB]

Link?
I see multiple with that name one looks like a Hallman Knockoff, the other a home depot special.