Behringer ufx1604 xenyx small format mixer behringer ufx1604 behringer ufx1604 xenyx small format mixer br boasting a stellar feature set that includes premium grade xenyx mic preamps one knob compressors british eqs and 24 bit onboard fx the new ufx1604 is one of the best sounding compact mixers you ve ever heard featuring built in 16x4 usb firewire interface and 16 track usb recorder imagine being able to record your next live gig directly to a usb stick or even straight to your pc m