Alpine 6.5 2 way Car Audio Speakers 2 x 6.5-inch Car audio 2-way Speakers (pair) RMS Power: 80 watts per pair / 40 watts each | Peak Power: 220 watts per pair / 110 watts each Impedance: 4-ohms Frequency Response: 60Hz-20kHz Mounting Depth: 46.5mm | Mounting Diameter: 139mm