Full roof with premium JL Audio system for Defender.Fully sealed and waterproof components and construction.Simple to install: one connector connects the roof to the vehicle’s electrical system.Weatherproof components: Four 7.7″ coaxial speakers, 280-watt amplifier and 70-watt Mediamaster® source unit.AM/FM Tuner.Expertly tuned for exceptional sound on the move in your Defender.Speakers include adjustable RGB LED cone illumination, controlled via an app on your smartphone.Mediamaster® source unit equipped with 3'' full-color LCD display, with day/night lighting modesDesigned to not drain the battery.Specific to the type of riding.To install the Audio Roof with the following accessories, the Power Harnesses 715003094 & 715008781 are required:Flip Glass Windshield With Wiper & Washer Kit (715002441),Windshield Wiper & Washer Kit (715001638), Front Full Doors With Power Windows (715006331), Rear Full Doors (715006329)