http://www.studiologic-music.com/acuna88-specifications.html
Keyboard
•73 or 88 keys FATAR TP/100 Premium Weighted Hammer Action, Monophonic Aftertouch, 3 factory Velocity Curves
acuna-ipad-appklFunctions
•4 programmable Zones (layers)
•2 Midi ports separately assignable
•4 assignable encoders
•4 On/Off Zone switchies
•2 Wheels
•USB Midi port compatible with iOS 7.1 (iPad, iPod, iPhone)
Connections
•MIDI: In, Out1, Out2
•USB: Midi In/Out, USB to HOST
Inputs
•n2 Pedals (Jack1, Jack2)
•Breath Controller
•DC IN (9V, 0.5A)
Size/Weight
•Acuna 88: 1280mm x 350mm x 115mm / 50.40" x 13.78" x 4.53"
•Acuna 88: 14,6Kg / 32.20lbs
•Acuna 73: 1070mm x 350mm x 115mm / 42.13" x 13.78" x 4.53"
•Acuna 73: 12,5Kg / 27.6lbs
Additional Package Contents
•Power Adapter 9V – 1A
•Music Stand
•CD Manual