Polk Audio 6x9 inch 6" x 9" 3-way Car Audio Coaxial Speakers Pair 6 x 9-inch Car audio 3-way Marine speakers (Pair) RMS: 200 watts per pair / 100 watts each | Peak: 600 watts per pair / 300 watts each Impedance: 4-ohms Multi-hole mounting pattern and shallow depth for easy drop-in installations in most cars Cutout Dimensions: 8-1/2 x 5-3/4" | Top mount depth: 3-3/16"