Mackie SRM1550 active 15inch powered subwoofer, with covers. In great condition and work very well and sound great, perfect for DJs, Bars, Bands. 1200 watts, 131 spl. The item “Mackie SRM1550 active 15inch powered subwoofer (with covers)” is in sale since Monday, December 30, 2019. This item is in the category “Sound & Vision\Performance & DJ Equipment\Speakers & Monitors”. The seller is “alwhy0″ and is located in Trull. This item can’t be shipped, the buyer must pick up the item.