The mike hardware used in the UMA-16 USB mic array [0] is the Knowles SPH1668LM4H-1 which runs about a buck and a quarter [1]. The DSP, SHARC ADSP21489, is pric

The mike hardware used in the UMA-16 USB mic array [0] is the Knowles SPH1668LM4H-1 which runs about a buck and a quarter [1]. The DSP, SHARC ADSP21489, is pricier as an eval board >$500 [2]. 0. https://www.minidsp.com/products/usb-audio-interface/uma-16-microphone-array https://www.minidsp.com/products/usb-audio-interface/uma-16-... 1. https://www.digikey.com/en/products/detail/knowles/SPH1668LM4H-1/5332437 https://www.digikey.com/en/products/detail/knowles/SPH1668LM... 2. https://www.digikey.com/en/products/detail/analog-devices-inc/ADZS-21489-EZLITE/2270361?s=N4IgjCBcoLQBxVAYygMwIYBsDOBTANCAPZQDaIArAAwUgC6Avg4QExkgCCAIgFoDKMFmAAscAJwwAojwAyASQAqk%2BgyA https://www.digikey.com/en/products/detail/analog-devices-in...