A pair of SWP15 PRO from Vonyx; each is a powerful 15 inch active subwoofer with an adjustable low-pass filter between 40Hz and 250Hz and a phase switch to let the sub acoustically play along on phase with the main speakers, reproducing excellent deep bass. Featuring a built-in 800 watt amplifier and IN/THRU connection ports for line-signal-chaining (daisy chaining) to another subwoofer this strong build MDF subwoofer is perfect for mobile DJ's, fixed installations and more.
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