Performers in need of affordable, powerful, and portable PA solutions have turned to Mackie's SRM series speakers for years. The SRM450 has attained nearly legendary status, and its worthy successor hit the ground running when it was introduced. If you're ready to complete your powered PA speaker system with a subwoofer, then check out the SRM1801 powered subwoofer. Big and beefy yet lightweight and easy to move, the SRM1801 will rattle the rafters with ease. Pushing 1,000 watts through an 18" woofer, the SRM1801 completes the picture, giving your powered speaker rig the low-end thump it needs to attain serious pro-level sound.