Sound Amplifiers: Spy Sound Amplifier, surface mic, spy ear microphone, sound pro, detect ear, supersonic ear , bionic ear and Denpa digital voice recorder microphone, and Gibson parabolic mic are best sellers at spy emporium.com . Most of these short and long range devices are good as earring aid. People with earring loss can amplify sounds with these modern microphone gadgets. Our professional long range "parabolic" microphone is the world's best mic. It is widely accepted by movie industry, video, film and recording engineers. It has excellent amplified sound performance and sensitivity. The EPM is capable of picking up and magnifying signals up to 75 times that of a normal omni-directional microphone while remaining virtually impervious to overload.