so I have a black box on my sps biocube 29 and its good but I want to upgrade, so theres a used xr15 g3 for $150 with the rms mount or should I go get the g4. what are the differences is the g4 worth it.
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I don't know if it's worth it to you, but the G4 gives an way better led spread than the G3.so I have a black box on my sps biocube 29 and its good but I want to upgrade, so theres a used xr15 g3 for $150 with the rms mount or should I go get the g4. what are the differences is the g4 worth it.

