Harmonix

Harmonix RFA-78i Room Tuning Discs premium
Surely these silly little discs must be the craziest tweak ever. So I could not resist trying them for myself
premium
Owner of Hifi-Advice.com
Harmonix Tuning Feet and Spike Bases premium
TU-210ZX Tuning Feet, RF900 Spike Bases and RF909X Spike Bases
premium
Owner of Hifi-Advice.com