Cadence SLW10-S4 10" Super Slim Subwoofer Specifications RMS Power Handling: 250 Watts PEAK Power Handling: 500 Watts Frequency Response: 36Hz - 500Hz SPL @ 1w/1m: 86dB System Impedance: SVC 4-Ohm Magnet Weight: 22.5 oz Structure Weight: 45 oz Mounting Depth: 3.66" (9,3 cm) Features • Laminated Butyl Rubber Surround • 2" High Temperature Aluminum Voice Coil Former • 3-D Molded High Gloss Acrylic Dustcap • Light Weight Compact Design Ideal for Any Installation • Ultra Slim, Expanded and Rolled Steel Basket • Dual Nickel Plated Spring Loaded Push Terminals • High Power Strongtium with Ultra Saturated High "BL" Motor Gap