It's small, extremely tough stature allows it to be installed in nearly every boat make & model. BLUAVE XMSE2-Loaded XMSE 2 X-Line Loaded 10 Subwoofer Enclosure, 500 Watt Max. Enclosure Made from Durable LLPDE Plastic. Fits over 90% of all boats. By using the MSE and MSV together you will increase ventilation and improve sound output of the MSE. These features make the MSE achieve much greater output and sound quality than the traditional marine free air application.