This bundle includes the Kicker 51PTRTP12 - TRTP 12" 500w Powered Down Firing Loaded Subwoofer Enclosure and the Kicker 46KISL K-Series Interconnect, Speaker Wire To RCA Adapter. The Kicker 51PTRTP12 subwoofer enclosure is designed for those who crave deep, powerful bass without sacrificing space. It features a 12-inch subwoofer with a 500-watt amp, delivering impressive sound in a compact, factory-tuned enclosure. Ideal for tight spaces, it fits easily under truck seats, in SUV cargo areas, or in your trunk. The built-in, power-matched amp integrates seamlessly with most factory systems, ensuring hard-hitting bass. The rugged, down-firing enclosure provides ultimate driver protection and resists stacking weight, thanks to its thick, tough internal bracing. The active CompRT subwoofer is paired with a passive reFLEX sub for enhanced output, and a remote bass control is included for easy adjustments. Key Specifications: - Woofer Size: 12 inches (30 cm) - RMS Power: 500 watts - Frequency Response: 25-120 Hz - S-to-N Ratio: >90dB - Input Sensitivity: Low Level – 125mV-5V; High Level – 1V-40V - Crossover: Active 12dB/octave, variable 50-120Hz low pass; 12dB/octave, high pass at 25Hz - KickEQ Bass Boost: Variable to +6dB, centered at 40Hz - Box Dimensions: Height 6-1/2 inches (16.6 cm), Depth 14-5/8 inches (37 cm), Width 27-1/2 inches (70 cm) The Kicker 46KISL K-Series Interconnect simplifies the connection between factory speaker wires and your amplifier. Featuring split-pin RCAs with silver-tinned, OFC wire, it ensures superior bass response and signal clarity. The K-Grip dual-mold connectors provide a secure grip and ergonomic shape for easy installation. The ultra-slim design allows for snag-free cable routing in tight spaces. This 2-channel speaker-to-RCA converter includes female-to-female adapters, making it perfect for connecting factory speaker wires directly to your amplifier without a line out converter.