USB power mic : Capsule: 3 capsule boundary design with 180-degree coverage : Power: USB : Frequency Response: 40Hz – 16kHz : Sampling Rate: 44.1kHz – 48kHz : USB Compatibility: USB 1.1 and 2.0 : A/D converter : 16-bit Delta Sigma with THD+N – 0.01%
https://www.amazon.com/MXL-AC404-USB-Conference-Microphone/dp/B001TGTDFM

