The EVID-S10.1DW from Bosch is a subwoofer from Bosch is a compact, high-performance, dual 10" (254 mm) woofer loudspeaker with outstanding performance for the most demanding professional and commercial sound applications. Designed and engineered for use in background and foreground music, and sound reinforcement applications, It is the ideal solution for indoor and outdoor applications, such as restaurants, bars, patios, retail, fitness clubs, hospitality, theme parks, leisure venues, and others. Ease of installation, and flexible options for mounting solutions and weather resistance, It is the perfect solution for a wide variety of surface mount applications. It has been carefully engineered to resist outdoor environments, without compromising on performance for indoor applications. The subwoofer is IP54 rated, and its weather-proofing is complemented with exceptional cabinet and grille resistance against sun, salt and moisture. For the toughest weather conditions, the IP rating can be upgraded to IP65, using the included port plug accessory. The wide range of EVID surface mount speakers has been designed to work together as a complete system in a variety of different surface mount instructions, and to be used in combination with other EVID ceiling and in-wall speakers.