ACD-57 is offered at a cheap price

which automatically lowers the volume of any auxiliary device during radio or intercom transmissions

Two Mounting Holes

Multi-Purpose

ram%C2%AE vibe safe%E2%84%A2 npt adapter two hole holders Transponders ACD-57 is offered at aThe RAM Vibe Safe Adapter for 2 Hole Holders (RAP 462NPT) is a vibration damping accessory designed to protect electronic devices from a wide range of vibration frequencies. The RAM Vibe Safe is based on an NPT connection point and boasts the versatility to rotate between portrait and landscape while keeping your device secure in rugged environments. This adapter is compatible with most 2 Hole RAM Holders, including the RAM Quick Grip, RAM Tough