Slim 8" Motorcycle Midrange SpeakerThe DS18 Slim midrange speaker was made for the motorcycle music fanatics. IPX6 rating, protecting it from any water that might come along the ride. Specifications:Model:    PRO-SM8.2Type:    Midrange LoudspeakerSize:    8"RMS Power:    250WMAX Power:    500WFrequency Response:    65-12kHzImpedance:    2 ohmSensitivity:    97dBMaterials:     Surround:    Cloth EdgeFrame:    Red Steel BasketCone:    Non-Pressed Paper ConeMagnet:    FerriteVoice Coil Wire:    CCAWDiameters:Voice Coil Size:    1.5"Magnet Size:    25 ozMounting Depth:    2.45" (55.5mm)Cut-Out Dimension:    6.99" (177.4mm)Parameters: Vas    11.321LTRXmax    8 mmFs    110 HzQms    3.881Qes    0.78Qts    0.718Re    2 Ohms∗Sold as an Individual