The CME UF-50 49-Key Master Keyboard MIDI Controller brings together quality components with topnotch performance. You"ll have professional control over all your soft synths and synth modules. The shimmering silver-cast aluminum body is durable and sleek, offering a stylish housing for the 49 synth-action, velocity-sensitive keys with aftertouch.Like the other updated UF series MIDI controllers, the UF-50 has built-in duplex wireless MIDI interface with error correction function, class-compliant USB, a redesigned control panel, shortcut function keys, user template memory, all control components are freely assignable, the velocity curve has been increased, and aftertouch is now adjustable. The UF-50 also has scales and tuning control for Arabian and Asian music styles, as well as the U-CTRL music software auto-recognition system for instant control without templates or presets. The integrity of your performance is safeguarded by CME with increased continuous controller data density.The UF-50 also has pitch and modulation wheels; 8 assignable knobs and 9 assignable sliders that also have preset functions; an LED display; and DAW transport controls. I/O includes a breath controller port, MIDI out, USB port, and an M-LAN-compatible FireWire audio expansion card, as well as an additional MIDI in on the expansion card. The USB connection can works as a USB/MIDI port and supplies power for the controller.