Core Sound - The Importance of Individual Calibration for Ambisonic Microphones Fedele De Marco asked about the importance of calibration for ambisonic microphones. He also asked which of the manufacturers do calibration.
SENNHEISER AMBEO VR Mic - Ambeo® 3D audio microphone (4 x cardioid, ambisonic condenser) for virtual reality video production with 48 V phantom power and multi-pin output jack. Includes (1) Rycote INV
Zoom VRH-8 Ambisonic Mic Capsule for H8 | Sweetwater