The most widely used portable loudspeakers ever, the SRM deliver unparalleled ease-of-use, professional sound quality and indestructible portability. SRMs feature modern tools such as High Pass Mode with frequency selection so complete your SRM system with the all-new 1200 watt SRM1550 subwoofer, packed with plenty of power and versatility to match SRM loudspeakers perfectly. Only Mackie SRM delivers this level of power and sound quality in such an indestructible, portable package.