Audison Voce II AV 10 D2 II Subwoofer Dual 2ohm 10 Inch Sub 550w RMS with GrillAV 10 D2 II Subwoofer Driver 250 mm Grille included Designed for tight spaces and dynamic performance, the AV 10 D2 II delivers powerful, articulate low frequencies with the precision and control that define the VOCE II line. Its dual 2 ohm voice coil configuration provides greater flexibility for low impedance system design, allowing optimal power transfer from high performance amplifiers. The subwoofer features a 1. 5 inch CCAW voice coil, FEM