R2SD4-12 – Rockford Fosgate 12 Dual 4-Ohm Subwoofer. 12 Dual 4 ohm Shallow Mount Prime Stage 2 Series Subwoofer. Recommended power range: 100 – 250 watts RMS. 12 AWG compression terminals. Optimized for sealed enclosures. Mica injected polypropylene cone. StampCast basket with integrated spider venting. Linear spider with embedded 16 AWG tinsel leads. Unique low profile “inset” design, high excursion woofer. High density compressed half-roll sealed poly-foam surround. Proprietary attached tear & fatigue resistant poly-cotton spider. Suited for sealed enclosure… Continue Reading ››