Kicker 40CWD152 CompD 15" 600W Dual 2-Ohm Car Sub+500W Mono Amplifier+Amp Kit 15" Dual 2-Ohm Comp-D Series Subwoofer. Power Handling: 1200 Watts Peak / 600 Watts Rms. Subwoofer Size: 15". Subwoofer Design: Round / Circle. Woofer Composition Injection Molded Polypropylene (Impp). Woofer Surround Ribbed Poly-Foam. Magnet Structure: Single Stacked. Main Cone Color: Black. Impedance: Dual 2 Ohms. Dual Voice Coil Impedance Per Voice Coil: 2 Ohms Sensitivity: 90.3db. Frequency Response: 25-500 Hz. Injection-Molded Polypropylene Cone. Ribbed Polyurethane Surround. Large-Diameter Spider. High-Strength Spiralead Tinsel Leads. Top-Mount Depth: 7". The World's Best Subwoofer Value. Renowned Kicker Power And Durability. Enables Wiring Flexibility In Series, Parallel Or Stereo For Proper Impedance Matching With Any Kicker Cx-Series Amplifier 2000 Watt/1000 Watt RMS Mono Class D 1 Ohm Car Stereo Amplifier With Optical Coupler Technology. High-Speed MOSFET Power Supply. Optical Coupler Class D Technology. Studio-Grade Bipolar Output Stage Transistors. Fully Adjustable 12dB / Octave Crossover with Differential Circuitry. Low Pass Filter: 50Hz - 250Hz. Subsonic Filter: 15Hz - 55Hz Phase Control Switch. Full IC-Controlled Protection Circuitry Remote Dashboard Subwoofer Control. Fully Adjustable 12dB Bass Equalizer. Mute and Delay Soft Start System. RCA Preamp Line Output. 8 Volt Preamp Circuitry. Status Mode LED Indicator. Minimum THD at Rated Power:  100dB. Frequency Response: 10Hz - 500KHz. Damping Factor: &gt; 200 @ 100Hz. 50 Amp Maxi Fuse. Dimensions: (W x H x L) 8.5 x 1.8 x 12.5 1  17 High Grade Twisted Pair of 100% Copper RCA Cable. 17  4 Gauge Translucent Blue SuperFlex Power Cables. 17  18 Gauge Blue Remote Cable. 17  16 Gauge Clear Speaker Wire. 3  4 Gauge Clear SuperFlex Ground Wire. Gold Plated AGU Heat Resistant Fuse Holder. 60 Amp AGU Gold Plated Fuse. 7 Split Tube Loom. Accessories Included: Wire Ties, Ring Terminals, Butt Connectors, Spades, and Grommets