DS18 PRO-GM6 6.5-Inch Classic Midrange Loud Speaker 8-Ohms - 480 Watts Max, 140 Watts Rms - 1 Speaker This 6.5" high-powered midrange speaker delivers 480 watts of Max power and 140 watts of RMS power Black color paper cone, cloth Surround, Black Steel basket 1.5-inch high temperature kapton voice coil with a 23-ounce magnet and rubber boot cover Impedance: 8-ohms. Sensitivity: 92 dB. Frequency response: 98 - 10 KHz. Mounting depth: 2.5". cutout diameter: 5.7".