The iPad as a multi-In/out effect processor using the @TASCAMUSA Model 16 - YouTube
Tascam Model 12 Integrated Production Suite Mixer/Recorder/USB Interface Bundle with 4x Mophead 10-Foot TRS Cable, 4x 10-Foot XLR Cable, 2x 1/4" to 3.5mm Adapter, 8x Cable Ties and Microfiber Cloth
Test: Tascam Model 12, Mixer, Multitracker, DAW-Controller, Interface - AMAZONA.de