Shure ULXD4-H50 Digital Wireless Receiver Frequency H50 caster Optional accessories include rackmount kit

Optional accessories include rackmount kit for mounting two systems in one rack space

It even handles massive 12K Blackmagic RAW digital cinema files

Performance: Frequency Response: 48 Hz - 20 kHz

which eliminates dropped frames if your media becomes full or runs too slow

Shure ULXD4-H50 Digital Wireless Receiver Frequency H50 caster Optional accessories include rackmount kitDigital quad wireless receiver offers an intelligent four channel option for use in any professional sound reinforcement application. Features include Digital Predictive Switching Diversity, 64 MHz tuning range, and AES 256 encryption for security. The Shure ULXD4Q Quad Channel Digital Wireless Receiver offers four channels of uncompromising audio quality, RF signal stability, and advanced setup features in a space efficient single rack unit. Rugged