JBL Basspro SL2 Subwoofer Car under Seat Amplified 8. The description of this item has been automatically translated. 0.05V – 2V Line-Level Input; 0.5V – 20V High-Level Input. Technical features Woofer8 (200mm) Amplifier Power125W RMS Frequency Response35Hz – 120Hz Fuse15A Maximum Current Draw12A Quiescent Current Draw.