M-Audio Prokeys Sono 61 Portable Digital Piano 61-key portable digital piano with integral audio interface - all-in-one music-making solution semi-weighted velocity-sensitive keys - exceptional feel and playability 5 high-quality built-in sounds - instant access to piano, clav, organ and more line and microphone inputs - record vocals and instrutments includes on-board General MIDI sound set - 128 total sounds plus drums and percussion 61-key portable digital piano with integral audio interface - all-in-one music-making solution Semi-weighted velocity-sensitive keys - exceptional feel and playability 5 high-quality built-in sounds - instant access to piano, clav, organ and more Line and microphone inputs - record vocals and instrutments Includes on-board General MIDI sound set - 128 total sounds plus drums and percussion Line and microphone inputs - record vocals and instruments