THESIS BASSO brings depth, impact and emotion to the music you love. Available in 10″ and 12″ sizes, these marine subwoofers deliver powerful, dynamic bass with precise control, even at high volumes and in the open air. Marine-grade construction meets refined design, with the sculpted presence of DOUBLE WAVE or the discreet, flush-mounted integration of INTEGRA. A foundation you can hear and feel, wherever you listen on board.