![Amazon.com: JBL BassPro SL 8-inch 125W RMS Powered Under-Seat Compact Subwoofer Enclosure System (250 watts RMS: 125 watts) : Electronics Amazon.com: JBL BassPro SL 8-inch 125W RMS Powered Under-Seat Compact Subwoofer Enclosure System (250 watts RMS: 125 watts) : Electronics](https://m.media-amazon.com/images/I/81e5zV0dnwL._AC_SX450_.jpg)
Amazon.com: JBL BassPro SL 8-inch 125W RMS Powered Under-Seat Compact Subwoofer Enclosure System (250 watts RMS: 125 watts) : Electronics
![GT-BASSPRO12 | Subwoofer speaker with built-in 150W RMS amplifier with bass port for a surprising bass experience GT-BASSPRO12 | Subwoofer speaker with built-in 150W RMS amplifier with bass port for a surprising bass experience](https://kh.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5344e364/GT-BassPro_001-1_3000x3000_300dpi_dvHAMaster.png)
GT-BASSPRO12 | Subwoofer speaker with built-in 150W RMS amplifier with bass port for a surprising bass experience
![Used JBL Basspro SL Original US spec 250 watts Underseat active subwoofer # Alpine Pioneer carrozzeria jvc Used JBL Basspro SL Original US spec 250 watts Underseat active subwoofer # Alpine Pioneer carrozzeria jvc](https://media.karousell.com/media/photos/products/2021/9/10/used_jbl_basspro_sl_original_u_1631242628_f1087707_progressive.jpg)