Kicker 48CWRT104 CompRT 10" Subwoofer, Dual 4-ohm, 400w RMS The Kicker CompRT was designed to give a new perspective on the capabilities of the shallow subwoofer. No longer do you get a thin sound with a thin subwoofer. These subwoofers were designed to be right at home in small enclosures under the seat of a truck, and also just as at home behind the seat of your UTV. The weatherproof design and new Forced-Air Cooling keep thing cool and tight when the trail gets rough. All CompRT subwoofers are less than 5 inches deep and provide full-size sound. Key Features - High Mass, Solid Pole Piece for Superior Heat Dissipation Less than 5 Inches Deep Dual Voice Coils for Installation Flexibility Unique Heat Management for a Thin but Powerful Sub Stitched Surround for Unsurpassed Reliability New and Improved – True Subwoofer Performance from a Thin Driver Features Forced-Air Cooling - 20% Cooler for Increased Reliability Legendary KICKER Bass in a Thin Subwoofer CWRT10 Specifications - Woofers [in, cm] - 10, 25 Impedance [Ohms] - Dual 4 Recommended Amp Power [watts RMS] - 400 Peak Power Handling [watts] - 800 Frequency Response [Hz] - 25-500 Sensitivity [dB 1w/1m] - 84.8 Mounting Depth [in, cm] - 3-7/16, 8.8 Xmax [Linear Excursion] [mm] - 10.5 High Mass, Solid Pole Piece for Superior Heat Dissipation Dual Voice Coils for Installation Flexibility Unique Heat Management for a Thin but Powerful Sub New and Improved – True Subwoofer Performance from a Thin Driver Features Forced-Air Cooling - 20% Cooler for Increased Reliability