12″ subwoofer preinstalled in carpeted enclosure; Passive, nonamplified design provides system flexibility ; Dual 4ohm voice coil wired inside as a single 2ohm load; Freq resp: 20Hz-2.6kHz; Sensitivity: 78dB @ 1W/1m; Glass fiber & mica-interlaced Injection-Molded Polypropylene (IMPP) cone construction; Butyl rubber surround & polycotton/cotton dual spider for strength & linearity during high excursion; Oversized 60oz double-stacked magnet & vented pole yoke for increased power handling; Slant-backed, irregular rectangular prism shaped enclosure; Bass-reflex ported enclosure with Smooth Flow technology for superior control of air flow & pressure within the port, reducing turbulence-induced distortion; Smooth & seamless integration with Pioneer(R) A-Series full-range automotive speakers; Includes wire harness, mounting brackets & screws
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