Alesis V61 | 61-Key USB MIDI Keyboard &amp; Drum Pad Controller (8 Pads / 4 Knobs / 4 Buttons)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Perfect building block for music producer needing to control plug-ins and virtual instruments </span></li><li><span class="a-list-item"> 61 full-sized， square-front keys with adjustable sensitivity </span></li><li><span class="a-list-item"> 8 LED-backlit drum trigger pads respond to both velocity and pressure </span></li><li><span class="a-list-item"> 4 assignable knobs， 4 assignable buttons， and Pitch &amp; Mod wheels </span></li><li><span class="a-list-item"> USB-powered with sustain-pedal input </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41fu2tXkCTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31roWZK4ecL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31czRTV5xyL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41di2Ztn9dL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41JGWIl8WQL.jpg" noproxy>