פרטים תכונות מפרט תיאור Rockford P1S412 12" Single 4 ohm Punch Stage 4 Subwoofer Power Handling: Peak: 300 watts RMS: 150 watts Impedance: Single 4 ohm Thermoformed polypropylene cone Parabolic injection molded ABS/Acrylic dustcap Custom 10-AWG nickel plated push terminals High density poly-foam surround allows for 20% greater linear excursion than standard surrounds High-temp 1.5" voice coil with spun-laced Nomex® reinforcement collar Linear spider with embedded 16 AWG tinsel leads handle tons of power Protective PVC textured magnet cover Reversible ABS trim ring Cosmetic motor cover can be removed for additional mounting clearance Frequency Response: 26-250 Hz Sensitivity: 86 dB