It’s ideal for use with the following Mackie speakers: TH15A, SRM350 (v2), SRM450 (v2), HD1221, HD1521 and HD1531 speakers with SRM1801, HD1501, HD1801 subs, and more. Mackie SPM200. Tis perfect mount will complete your speaker system. The Mackie SPM200 Loudspeaker Pole Mount easily mounts your speaker on a subwoofer. This mounting pole is a heavy-duty quality mount and can hold up to 110 pounds for your Mackie speakers.