M-Audio Hammer 88 Specs

USB / MIDI Controller
Keyboard88 Piano Keys, Hammer Action
MIDI Control Surfaces1 x Wheel (Pitch-Bend)
1 x Wheel (Modulation)
1 x Slider
Connectivity
I/O1 x USB Type-B 
1 x MIDI 5-Pin Output
1 x 1/4" TS Sustain Input
1 x 1/4" TS Soft Pedal Input
1 x 1/4" TRS Expression Pedal Input
OS CompatibilitymacOS 10.8 or Later
Windows 7 or Later
Power
Power OptionsAC/DC Power Adapter (Not Included), USB Bus-Power
Physical
Dimensions (W x D x H)55.9 x 11.9 x 5.0" / 142.0 x 30.2 x 12.7 cm
Weight38.5 lb / 17.5 kg
Packaging Info
Package Weight20 kg
Box Dimensions (LxWxH)61.2 x 14.5 x 8"