Heil Sound The Fin Dynamic Cardioid Microphone (Handheld)Uncategorized / By Denise / July 13, 2017 90GEARANK 90 out of 100. Incorporating 70+ ratings and reviews. Street Price: $229.00 Manufacturer: Heil Sound FeaturesShock mounted, large, low mass diaphragmDouble-chromed in a three stage plating processPremium aluminum carrying case.