Alesis VX49 controller keyboard: MIDI socket test (direct connection, not USB) - YouTube
ALESIS VX49 USB/MIDI Keyboard
Alesis VX49 Test - Bonedo
With the Alesis VX49 USB/MIDI controller keyboard, you can load up your favorite software synthesizers, samplers, and drum machines as if you were... | By Instruments Garage | Facebook
Alesis VI25 - Advanced 25-Key Usb Midi Pad/Keyboard Co - Professional Audio Design, Inc | Professional Audio Design, Inc