The Alesis V49 is a powerful, intuitive MIDI controller that lets you take command of your music software with a series of pads, knobs, and buttons. With 49 full-size velocity-sensitive keys and Octave Up/Down buttons, you can expand the keyboard to the full melodic range and play bass lines, chords, and melodies. V49 also features four assignable knobs and buttons for manipulating effect plugins and virtual instruments: open and close filters, adjust volume levels, activate effects, tweak parameters, and more. Eight velocity-sensitive backlit pads allow you to launch clips or finger drum with exceptional response, and pitch and modulation wheels expand the expressive capabilities of your performing. Alesis V49 49-Key USB MIDI Keyboard Controller Features 49 full-sized, square-front keys 8 velocity-sensitive backlit pads for beat production and clip launching 4 assignable knobs and 4 assignable buttons interface with your music software Octave Up and Down buttons let you access the full keyboard range Pitch and modulation wheels deliver expressive, creative control Seamless, visual feedback via illuminated buttons and knobs USB power and USB-MIDI connectivity for Mac and PC Production software included: Ableton Live Lite 9 and Xpand!2 by AIR Music Tech (downloads) Included: V49 USB-MIDI Controller, USB Cable, Ableton Live Lite (Download), Xpand!2 by AIR Music Tech (Download), User Guide, Safety and Warranty Manual Plug-and-Go Software V49 was designed to seamlessly and effortlessly integrate with your music software. A single USB connection to your Mac or PC provides both power and MIDI functionality, allowing you to plug right into your computer and start making music. All the knobs, buttons, and pads illuminate to provide real-time visual feedback and are laid out for an intuitive workflow. Plus, V49's slim design makes it easy to implement this powerful MIDI controller into any sized studio. Ableton Live and XPAND!2 V49 is bundled with Ableton Live Lite 9 and Xpand!2 by AIR Music Tech, two dynamic pieces of software that enable you to record, produce, and perform with your computer. Ableton Live Lite 9 is a fluid audio/MIDI environment that enables you to spontaneously record, remix, improvise, and edit musical ideas on the fly. Xpand!2 is an advanced virtual instrument that comes with a collection of premium sounds, ranging from acoustic instruments to futuristic synthesizers. Together, these powerful music platforms allow you to create or perform music with V49 right out of the box. CALIFORNIA PROPOSITION 65 WARNING WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.