8” 1200W Car Subwoofer Under-Seat Sub Woofer Speaker Stereo Slim Amplifier. Max Output Power: 1200W. High level Input Sensitivity: 0.9v. Low Level Input Sensitivity: 300mV. Low Pass Filter: 50-150Hz. Fully functional and easy to debug. Slim fuselage, installed under the seat. Design of high temperature resistant coil. Fine workmanship and good performance. 6″8″ speaker gives A different kind of heavy bass effect. Should you change your mind and wish to return your item, this can be done if you notify us within 30 days of receiving your item. We have two or more warehouses that are all located in UK. We are sure we will try hard to help till you are satisfied!