Check the listing for details. Arturia KeyLab 49 MkII Keyboard Controller & On-Stage KBA4049 Keyboard Gig Bag. Color: White, Condition: Used. Listed at 399.99 USD. Arturia KeyLab 49 MkII 49-Key Midi Controller (White) (B-Stock)On-Stage KBA4049 Keyboard Gig Bag Authorized Arturia & On-Stage Dealer FREE shipping to CONUS 48 Lower states (does not include HI, AK or PR) For international shipping price, please email your Country, City & Postal Code. What Is (B-Stock)?B-Stock is an item that was a Floor Model, used at exhibits like NAMM or returned. As a result, the manufacture gives the customer a Great Discount and fullmanufacture warranty like a NEW item. The dealer doesn't know why the item is (B-Stock). Arturia KeyLab MkII 49 MIDI Keyboard Controller Features:Ultra-responsive keyboard action with 49 aftertouch-enabled keysLightweight, roadworthy aluminum chassisAdvanced configurable interface16 RGB backlit performance pads9 large faders9 rotary encoders5 expression control inputs4 CV output jacksSmart category controlsMIDI and USB connectivityDeep software integration and DAW-specific magnetic overlaysIncluded Software:Arturia Analog LabAbleton Live LitePiano V 2Arturia MIDI Control CenterTech SpecsType:Keyboard Controller Number of Keys:49 Type of Keys:Semi-weighted Velocity Sensitive:Yes Aftertouch:Yes Pads:16 x Backlit, Velocity-sensitive Other Controllers:Pitchbend, Mod Wheel Encoders/Pots:9 Faders:9 Dedicated Transport Control:Yes Pedal Inputs:1 x 1/4" (sustain), 1 x 1/4" (expression), 3 x 1/4" (aux) MIDI I/O:In/Out/USB USB:1 x Type B Other I/O:1 x 1/8" (CV in), 4 x 1/8" (CV out, gate out, mod 1, mod 2) Computer Connectivity:USB Software:Analog Lab 3, Ableton Live Lite, Piano V2, Arturia MIDI Control Center Format:VST, AU, AAX (Analog Lab) Hardware Requirements - Mac:Intel Multi-core processor, 4GB RAM minimum Hardware Requirements - PC:AMD / Intel Multi-core processor, 4GB RAM minimum OS Requirements - Mac:OS X 10.10 or later OS Requirements - PC:Windows 7 SP1 or later Power Supply:USB bus power, 9V DC power supply (sold separately) Height:2.10" Width:31.20" Depth:11.70" Weight:13.8 lbs. Manufacturer Part Number:230621