Featuring pristine 24-bit digital audio and remarkably efficient RF spectrum usage, the QLXD4 will give you clear, uninterrupted, worry-free performance. Incredibly easy to set up, the QLXD4 quickly finds open frequencies and deploys them to transmitters with the push of a button, letting you get right to business with a minimum of hassle. You can even monitor and control the QLXD4 from your Mac, PC, or iOS device!