Heil Sound The Fin Dynamic Cardioid Microphone (Handheld) Leave a Comment / Uncategorized / By Denise / July 13, 2017 91 GEARANK 91 out of 100. Incorporating 70+ ratings and reviews. Street Price: $229.00 Manufacturer: Heil Sound Features Shock mounted, large, low mass diaphragm Double-chromed in a three stage plating process Premium aluminum carrying case.