The PSS-22WRA is a weather resistant . direct fit sound system for Jeep Wrangler JK Unlimited models with automatic transmission and without the factory-equipped Alpine amplified sound system (the factory-equipped Alpine amplified system is identified by an Alpine logo on the subwoofer in the back rear-right). The 1200-watt . 9-speaker system consists of an under-seat 10 enclosed subwoofer . two 6.5 2-way convertible component/coaxial speaker sets . a 4-channel compact amplifier . a mono compact amplifier and a remote bass knob . plus vehicle-specific harnesses and mounting brackets Whether your Jeep Wrangler JK Unlimited has factory component or coaxial speakers . the PSS-22WRA will fit in your vehicle. Thanks to the included adapters . the speakers can be configured as component or coaxial layouts. Alpine s exclusive Dynamic Peak Power (DPP) amplifier technology and the 10 under-seat subwoofer enclosure deliver incredible sound performance (600W RMS/1200W DPP). The PSS-22WRA loads and disperses lower frequency sound from the passenger s foot well area . for maximized bass extension throughout the Jeep that sounds great with the top on or off. Caught with the top in inclement weather? Not to worry. The PSS-22WRA can withstand rain and dust. The subwoofer uses rust resistant hardware and can handle water from off-roading adventures or a quick rinse down. The PSS-22WRA is compatible with any Alpine Restyle Jeep Wrangler dash system . the Jeep factory base radio . or other aftermarket radio. The PSS-22WRA is authorized to be Sold By and Shipped From . For professional installation . visit the store locator on the Alpine USA website to find an authorized Alpine retailer near you.