Lets meet in audio part with MIDI keyboard Roland A-300PRO, designed for professional work. It has : 32 velocity-sensitive keys with aftertouch; 8 drumpads; LCD screen, which shows keyboard states; 13 buttons; 9 knobs; 9 sliders; pitch bend and modulation control lever; and TRS ( 1/4″ jack ) inputs for hold and expression pedals. Its left side also has : power adapter input, power switch, USB port, through which it is powered and communicates with computer, MIDI input and output and their work mode switch and Kensington Lock slot.
It is bundled with Cakewalk Production Plus Pack software, including 3 instruments and production software. For Roland A-300PRO drivers are released for Windows 7, 8, 8.1 and 10 and Mac OS X Snow Leopard and newer operating systems, in which it tightly integrates with modern DAWs ( Avid Pro Tools, Ableton Live, Steinberg Cubase, FL Studio, Cackewalk Sonar, REAPER and others ), their instruments and VST plugins. Its sizes are 605.9 ( width ) x 250.8 ( depth ) x 91.4 ( height ) mm and mass is 2.9 kg. Package contains : MIDI keyboard Roland A-300PRO itself, USB cable, CD-ROM disk with software and drivers and user’s guide; after purchase there is ability to download newer drivers and additional software from manufacturer’s web-site. From one side : this is a good MIDI keyboard with all functions, that are needed for professional music creation; from the other : for the same money there is ability to buy keyboard with larger amount of keys, velocity and pressure sensitive drumpads and roughly the same controllers; so, here is need to look on manufacturing quality and discounts on these devices.