The 1000W SRM450 feature modern tools like application-specific speaker modes and an automatic feedback destroyer, each with a single-button interface that gets you optimized performance in just seconds. And with the integrated 2-channel mixer, you can easily mix multiple sources. Complete your SRM system with the 1200W SRM1550 subwoofer, packed with plenty of power and versatility to match SRM loudspeakers perfectly. The SRM Portable Series is beyond powerful and provides an array of modern features making these the easiest to use, best sounding SRMs ever.