Alpine SPS-517 5" x 7" 2-Way Type-S Series Coaxial Car Speaker SPS-517 - Alpine 5" x 7" Type-S 2-Way Coaxial Speakers Peak: 460 watts per pair / 230 watts each | RMS: 150 watts per pair / 75 watts each 4 ohms impedance Top mount depth: 2-3/8" Cutout dimensions: 7-3/6" x 4-15/16"