600W 10 Car Subwoofer Audio Sub Speaker Active Rectangular Drive-By-Wire Black. 600W 10 Car Subwoofer Active Bass Box Audio Sub Speaker Amplifier Underseat UK. 8” 800W Active Underseat Car Bass Box Audio Subwoofer Sub Speaker Amplifier UK. 2X Car Active Subwoofer 8” 800W Under-Seat Amplifier Speaker Audio SubWoofer UK. 1200W Active Underseat Car Bass Box Audio Subwoofer Sub Speaker Amplifier. 8” Bass Box in-vehicle Subwoofer Sub Speaker Amplifier 800W Fits Car SUV Van. Please contract us firstly If there are any problems when you received the package. 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. We check all items before sending out. All products are brand new, never been used or refurbished. Most packets arrive in 5 days. If there is any delay, it may be caused by bad weather, busy season and some other reasons. We are not responsible for wrong or undeliverable address. We are only responsible for once re-sending expense for replacement due to defects. Good communication is helpful for both of us to resolve any problems and issues. We have always been doing our best to provide the best service and reliable products for every customer. We will reply your emails and questions within 24 hours. We are a company specializing in motorcycle racing parts accessories, Industry accessories, Home Garden accessories, we provide high-quality products at affordable prices and excellent service.