Offer a cost-efficient way to significantly lower an audio system's "noise floor" using patented vibration-damping technology . Experts and users alike praise them for providing immediate, non-subtle improvements in sound clarity, bass definition, and soundstage depth. Unlike many subtle audio tweaks, the effect of these isolators is described as "profound" and "instantly noticed". According to Part-Time Audiophile , they provide results comparable to products three or four times their price, making them a "necessity for most audiophiles" rather than just a luxury item.