8” 800W 12V Car Subwoofer Speaker Bluetooth Underseat Amplifier Audio Sub Bass. 12V 800W high power design, excellent low frequency performance, pure low music output, surging sound effect, true restore sound quality. The size of this Car under-seat speaker is 35267 CM, it covered by PU leather, The sturdy construction quickly dissipates heat dissipation and minimizes vibration caused by noise. 1.4mm thickened net cover, with black paint, which is not easy to rust. Regular maintenance can make the audio speaker have longer endurance. It’s very convenient and easy to install. The 7cm thin subwoofer is directly installed under the passenger seat. Material: Wood + PU. Frequency response range: 20 Hz-150Hz. Bass boost: 0 to+12dB. Low pass filter: 50 Hz -150 Hz. High pass filter: 20 Hz. Rated value of fuse: 25A. 1 x 8 12V 800W Car Audio. Due to lighting effects, monitor’s brightness, contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item. Please allow 1-3cm (0.4-1.18) difference due to manual measurement and slight color variation for different display setting. 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!