Novation Impulse 25
25-Key USB MIDI Controller Keyboard

Features:

• Precision semi-weighted keyboard with aftertouch
• Professional control surface gives you full control of your DAW including mixer, transport and plug-in instruments and effects
• Novation's Automap control software makes it fast and simple to assign knobs, faders and buttons to your music software
• Back-lit drum pads allow you to warp arpeggios and improvise with rhythm patterns – they also launch clips in Ableton
• Large LCD screen displays control information
• Hardware design is tough and rugged
• Comes with Ableton Live Lite, Novation's Bass Station synth and a Loopmasters sample pack
• USB powered, with expression and sustain pedal inputs as well as MIDI in and out ports for connecting external MIDI instruments

Specifications: 

• Number of Keys: 25
• Type of Keys: Semi-weighted
• Aftertouch: Yes
• Number of Performance Pads: 8
• Number of Encoders/Pots 8:
• Number of Sliders/Faders: 1
• Dedicated Transport Control: Yes
• Other Controllers: Mod, pitch wheels
• System Requirements Mac: Mac OS X 10.7 Lion and 10.6 Snow Leopard (32 and 64 bit)
• System Requirements PC: Windows 7 (64 & 32 bit), Windows Vista (32 bit only), or Windows XP SP3 (32bit only)
• Pedal Inputs: Sustain, Expression
• MIDI I/O: In, Out, and USB
• USB: Yes
• Height: 3.937"
• Width: 20.669"
• Depth: 13.07"
• Weight: 7.716 lbs.
• Power Supply: USB Bus Powered (or AC-DC USB mains adapter - not supplied)