PD10E-I is a self-powered double 10" bass system designed for permanent installation. The PD10E-I provides perfectly flat response down to 8 hertz when used in conjunction with the 8 hertz Integrator. Our external rack mount Infra-MXB Integrator is recommended to drive a line level Infra™ processed signal to one or more PD10E-I systems. The PD10E-I offers a black textured finish, a black coated steel grille and optional fly points.