A powerful subwoofer can be invented with a technic called indirect coupled. This dual modeled subwoofer has an amazing result in producing low frequency with stomping punch and the size is also relatively small compared to other common subwoofer sizes. DS series is designed so beautifully with its red funnel like its giving a warning to the audience for its thundering sound. This great creation has the output DS 212 or more familiar as WIRO SUB 212. This subwoofer, even the size is relatively small, yet it can produce a power output with an ultimate low frequency. From the punch or the bottom sub, WIRO 212 can be placed in horizontal or vertical position.