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SVS PB13-Ultra powered subwoofer, 13" driver and three ports. Looks like a real beast! | Cajon para subwoofer, Bafles, Altavoces
Dual PSA S3600i vs. dual SVS PB13-Ultras – Finding bass nirvana and lessons learned | Home Theater Forum and Systems
![Amazon.com: Customer reviews: SVS PB13-Ultra - 13.5-inch, 1000 Watt DSP Controlled, Ported Box Subwoofer with Variable Tuning (Black Oak) Amazon.com: Customer reviews: SVS PB13-Ultra - 13.5-inch, 1000 Watt DSP Controlled, Ported Box Subwoofer with Variable Tuning (Black Oak)](https://m.media-amazon.com/images/I/71BHrAAePML._CR200,0,1200,1200_UX256.jpg)
Amazon.com: Customer reviews: SVS PB13-Ultra - 13.5-inch, 1000 Watt DSP Controlled, Ported Box Subwoofer with Variable Tuning (Black Oak)
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