The RME Fireface UCX II is a professional 40-channel USB audio interface featuring high-quality 24-bit/192 kHz AD/DA conversion, two digitally controlled mic/line preamps, ADAT, SPDIF, MIDI, and Word Clock I/O. It offers TotalMix FX for zero-latency monitoring, DURec for standalone USB recording, and Class Compliant mode for iOS compatibility. Compact and robust, it’s ideal for studio and mobile production.