There are 24 mono inputs on the back panel with on board preamps, plus a further. This can also be used to connect the mixer to a wireless router, for iPad control using the Allen & Heath QU-Pad application. Allen & Heath Digital Mixers, AMS, American Musical Supply. The file is packaged in a.zip archive and its name includes the model and version number, for example, Qu16UpdtV1 82. Allen & Heath s Qu series goes from strength to strength, with the latest offering more I/O, more faders and more mix groups. 27, compressors, 24 assignable outputs provide a. The Qu24 is currently iOS only, SoundGrid Application, dSNAKE-Compatible. Windows QU control would be invaluable for me and again I am sure for many, many windows users. Download Now ALLEN AND HEATH QU 24 DRIVER