On Stage SSA21 Subwoofer Adapter
From On-Stage
The On-Stage SSA21 Subwoofer Adapter’s female M20 threading attaches to M20 speaker shafts to accommodate virtually any subwoofer on the market, utilizing both removable M20 threading and a tapered, zinc-lugged lower section to accept 1 Ã ¢ ” cups. Whether it is a shallow M20, recessed M20, 1 3/8 cup or 1 3/8″ cup with M20, the SSA21 will fit your subwoofer.
If you have any questions, give us a call or stop by to check out our selection of On-Stage gear and accessories.
Available at Ken Stanton Music.