Polk Audio PSW505 12" Powered Subwoofer - Deep Bass Impact & Distortion-Free Sound, Up to 460 Watts, Easy Integration with Home Theater Systems, BLACK | Powered subwoofer, Polk audio, Subwoofer
OMNITRONIC PA SET AZX Set 2 subwoofer e 2 casse attivi | Reverb
Amazon.com: DS18 SQ2 Complete 7-Piece Sound Quality 3 -Way Component Set with Slim Amplified Subwoofer with OFC Installation Kit Included - Full Range Sound Quality Combo with Bass, Mids, and Highs : Electronics