Powerbass 3xl-5c 3xl Series 5.25 Inch 3 Ohm Component Speaker Kit with Big 1.25 Inch Silk Dome Tweeters Peak Power Handling Capacity: 180W. RMS Power: 80W. Nominal Impedance: 3 ohm Frequency Response: 63Hz - 22kHz. Sensitivity: 91 dB/W/M. 1.25" Silk Dome Tweeter 12 dB HP/LP Crossover Network. Motor Structure: 14 oz Mounting Depth: 2.7in. Kevlar/Glass Fiber Pulp Hybrid Cone 14 oz. Magnet. Stainless Steel Basket. Push Terminals