Best Cardioid Microphone for Field Recording (Ultimate Buyers Guide) — Acoustic Nature
Audio-Technica AT2020 Large Diaphragm Cardioid Condenser Microphone Black - K&S Music Center LLC
Amazon.com: USB Microphone for Computer, RALENO PC Cardioid Microphone, Professional 78dB SNR, Compatible with Computers, for Audio Recording, Skype, Gaming, Voice Chat : Musical Instruments