Pair of Sundown Audio E-8 V.5 D4 8" 300W RMS Dual 4-Ohm EV.5 Series Subwoofers Xmax = 14mm one-way by 70% BL | RMS Power = 300-watts | Vented magnetic gap Solid Pole piece with chamfered edges for increased air powered voice coil cooling | Black Aluminum 2 voice coil former for superior heat dissipation High Temperature copper voice coil wire | Spring Loaded Terminals Stitched-On Tinsel Leads to prevent fatigue and failure | High strength stamped steel frame Optimized for small, ported enclosures