an adjustable vibration reduction device is provided to dampen and reduce vibration in order to maintain performance of equipment attached to a system . the vibration reduction device includes at least one resilient vibration dampener coupling an upper assembly to a lower assembly . the upper assembly is attached to an equipment mount frame via a pair of stop members extending through a pair of stop apertures in the lower assembly to control movement of the lower assembly relative to the upper assembly . the lower assembly is attached to a structure frame via a pair of fastening devices . the vibration reduction device may be adjusted by selectively including at least one resilient vibration dampener , such as an o - ring , having predetermined characteristics to maximize vibration reduction or isolation . a plurality of vibration reduction devices are provided in a system that causes or transfers vibration , such as a vehicle , having electronic equipment attached thereto .