This is a great midi controller. It doesn't have built in sounds. It's to be used with your computer or any midi devices. It's been a great keyboard I just can't play too much any more. Specs: Velocity-sensitive USB/MIDI keyboard featuring 61 high-quality full-size keys and unbeatable programming versatility, real-time control and playability USB/Audio interface included for recording and playback of any digital music file. Works with your PC or Mac* computer—no setup or drivers Free audio recording, editing and podcasting software plus 150 instrument/effect plug-ins and ultra-low latency driver downloadable 8 real-time rotary controls plus 10 assignable switches Cheers! $95 OBO Roland, Korg, M-Audio, Akai, Alesis, Arturia Keylab, Novation