With Amplifier and High Level Input: Built in 600W power amplifier, the original car host navigation, CD player, etc. PWM MOSFET power supply, high level input, adjustable input sensitivity and overload protection circuit. 600W Peak Power and Remote Control: The underseat subwoofer has a peak power of 600 watts and an RMS of 150 watts; Including a wired bass volume remote, whicha gives you an amazing bass experience with gain, bass enhancement and cross control. Heat Dissipation Shell: Car subwoofer housing is made of cast aluminum, has excellent heat dissipation performance, black paint stainless steel mesh, no rust, no deformation, high temperature resistance. Compact Design: Ultra thin subwoofer with small slim, does not take up space, can be installed under the, can also be installed in the trunk, saving space in the car. Easy Wiring and Installation: Electric subwoofers come with a design that puts all inputs and outputs to one side, making wiring cleaner and easier and compatible with a variety of car stereo sound systems. 29 x 21 x 7.2cm / 11.4 x 8.3 x 2.8in. Horn Size: 6 x 9in. Bass Boost: 0 to +12dB. 1 x Slim Powered Subwoofer 1 x Controller 1 x Copper Cable 1 x Copper Wire 1 x Copper Ground Wire 1 x User Manual 18 x Installation Accessories. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.