Thank you for purchasing an Infinity Kappa Perfect component system. The Kappa Perfect6.1 has been engineered to provide the most accurate sonic reproduction possible. Over the years, we at Infinity have listened to hundreds of automotive speakers and we think these are the best. We hope you agree. This manual includes information that will make your installation as simple and trouble-free as possible. It also provides detailed technical information that will help an experienced installer optimize speaker placement and crossover adjustment. Please study this manual before you begin your installation. Remember to send in your warranty registration card, and keep your sales receipt somewhere safe in case you need warranty service.