Check the listing for details. Open box - Mackie MCU Pro. Condition: Open box. Listed at 964.99 USD. Each channel strip includes mute, solo, record arm, signal LED, and select buttons. Users benefit from powerful tools like compressors, EQs, reverbs, delays, and creative modulation effects. With the ability to expand using optional MCU XT Pro and C4 Pro modules, the MCU Pro scales easily with your production needs.