BassJump 2 is Designed exclusively for MacBook Pro and Air, BassJump 2 is a sweet, one-of-a-kind, go anywhere, USB-powered subwoofer that turns your MacBook into a mini-sound system. One single USB cable delivers power and sound. Custom software blends the music coming from your built-in MacBook speakers with extra bass. The result is dramatically improved MacBook sound performance.
BassJump 2 software download link https://www.twelvesouth.com/bassjump-2-software