SeaKing Stores › 8in subwoofer - 2ohm DVC - white - M1D2-8 8in subwoofer - 2ohm DVC - white - M1D2-8 £250.00 8in subwoofer - 2ohm DVC - white - M1D2-8. M1 Color Optix marine subwoofer with 8 in cone, DVC 2Ω / 150 W RMS / 600 W peak; White grille. Add To Cart Added! 8in subwoofer - 2ohm DVC - white - M1D2-8. M1 Color Optix marine subwoofer with 8 in cone, DVC 2Ω / 150 W RMS / 600 W peak; White grille.