Amazon.com: Sennheiser e845 Extended High Frequency Response Supercardioid Microphone : Musical Instruments
DPA 4018 Highly-Directional Supercardioid Microphone – Sonic Circus
Amazon.com: Saramonic On-Camera Microphone with Shock Mount Shotgun Condenser Professional Super Cardioid Mic for DSLR Canon Nikon Cameras Camcorders YouTube Video Interview Vlogging Voice Recording SR-VM1 : Electronics
Mics for Rooms with Echo: Cardioid vs Hypercardioid - YouTube