2 Kicker 40CWR104 CompR 10" 1200W DVC Car Subwoofers+Hifonics Amplifier+Amp Kit 10" CompR10 Car Subwoofer. Power Rating: 800 Watts Peak / 400 Watts RMS. Impedance: 4-Ohm. Best subwoofer in its class. Workhorse woofer with advanced components and superior technology. Works best with KICKER KX-Series Amplifiers. Large-diameter, progressive-roll spider with high-strength Spiralead tinsel leads One-piece UniPlate with vented pole piece and bumped back plate. Added voice-coil clearance for full excursion; high-temp coil wire. Quad Venting included vertical and horizontal slots under the cone for ultimate cooling. Injection-molded polypropylene cone and tough Santoprene surround. Full-coverage steel basket with minimized mounting depth 1200W Mono Block Class D Car Amplifier+Bass Remote. Illuminated Hifonics badge. Old School Hifonics Heatsink for Superior Heat Dissipation. Military Grade PCB. SPC - Simpatico Coil Design. HSMD - Hifonics Surface Mount Design. PWM MOSFET Power Supply for Maximum Current Levels. Diagnostic Indicators DC, Short Circuit, Thermal and Overload Protection. Low Level RCA Inputs and Outputs. Frequency Response: 10Hz-300Hz. Signal to Noise Ratio: &gt;95dB. Wired remote bass level control included. RCA Input. Subsonic filter (10-40 Hz). Fuse: 80A. Bass Boost: 0-12 dB. Signal To Noise Ratio: &gt;95dB. THD: % &lt;0.10%. Variable low-pass filter (40-300 Hz) 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