MRK16-SCA is a modular 16-channel wireless microphone receiver rack in a compact 19" 1U chassis. It accepts up to four MCR54 units for antenna distribution, RF filtering and audio routing with analogue DB25, AES3/AES72 and Dante outputs. A built‑in RF scanner, RF‑over‑fiber option via EXP3, dual‑area diversity, Bluetooth remote control and a 5‑port Gigabit Ethernet switch provide scalable, integrated wireless management.