The JBL 1500W 12 inch Black Subwoofer in Bass Reflex Tube Enclosure is a powerful subwoofer that can handle up to 1500 watts of power. It features a 12-inch woofer in a bass reflex tube enclosure for deep, powerful bass. As the world's leading manufacturer of car audio equipment, JBL provides the perfect auditory experience for any driving situation. The Bass Tube car stereo speaker is designed for excellent sound reproduction, with a sensitivity of 90 dB and an impedance of 4 Ohms. It features a black finish and dimensions of 330x660 mm. With an output power of 325 W, this speaker is sure to give you the best sound quality for your car stereo system. With a frequency of 35-200 Hz and a sensitivity of 86 dB at 1 watt/1 meter, these speakers will give you the best sound quality possible.