$179.70 $ 179. JBL BassPro SL 8-inch 125W RMS Powered Under-Seat Compact Subwoofer Enclosure System (250 watts RMS: 125 watts) 4.4 out of 5 stars 120. The BassPro SL powered woofer fits under the front seat of many vehicles, and adds powerful bass to any car audio system. View JBL BASSPRO SL … Get it as soon as Tue, Dec 1. Rockville SS8P … The BassPro SL2 self-powered subwoofer fits under the front seat of many vehicles, and adds deep full rich bass to your existing audio system. FREE … An electronic crossover control and flexible EQ adjustments let you tune the BassPro SL … BASSPRO SL — JBL Car Audio Service Manual (repair manual). Page 10. $179.70. JBL BassPro SL 8-inch 125W RMS Powered Under-Seat Compact Subwoofer Enclosure System (250 watts RMS: 125 watts) 4.4 out of 5 stars 120. Model BASSPRO SL Pages 19 Size 743.17 KB Type PDF Document Service Manual Brand JBL Device Car Audio File basspro-sl.pdf Date 2018-11-20. 70. Only 9 left in stock - order soon.