Package: (2)KICKER 43C154 Comp 15"Car Sub Totaling 1200W W/Single Voice Coil+Mono Amp+Complete Wire Kit W/RCA Cables+Sealed Sub Enclosure+Dual Enclosure Wire Kit W/Speaker Wire+Screws+Spade Terminals Comp 15" 500 Watt SVC 4-Ohm Car Audio Subwoofer. Size: 15 inches (38.0 cm). Impedance: 4 ohms SVC. Max Rec Amplifier Power:....500 Watts Peak....250 Watts RMS. Sensitivity: 90.3 dB 1w/1m. Frequency Response: 25-500 Hz. Mounting Depth: 7 7/16 inches (18.9 cm). Mounting Cutout: 13 11/16 inches (34.7 cm). 600 Watt RMS Class D Car Amplifier. 2-Ohm Stable Monoblock Amplifier. Total power output: 1200 watts. Pulse Width Modulated MOSFET power supply. Kicker CXARC wired remote bass level control available and sold separately. LED power (green) and protect (red) indicators. Soft start turn-on. Mono channel operation. Speaker-level (high-level) inputs via RCA (requires Kicker KISL, available and sold separately) Preamp RCA outputs to daisy chain multiple amps. 3-way protection circuitry (thermal, overload, and speaker short protection). Dual speaker terminals simplify the hookup of multiple speakers. Input sensitivity: Low level: 125mV-5V ; High level: 250mV-10V. Frequency Response: 25 - 200Hz. Signal to Noise Ration: &gt;95dB. Fixed Subsonic Filter @ 25hz, 24db/octave. Dimensions: 7-3/16"W x 8-1/8"L x 2-3/8"H 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 Dual 15" Sealed Subwoofer Enclosure. 3/4" USA Heavy Duty MDF Construction. Machine precision cut mounting holes. Top of the line Glue for extra durable adhesion. Designed, tested, and engineered to work with most of todays popular woofers. These enclosures are built with the quality additives needed to maximize the performance of any sound system.