Feature(may vary by option.)

●Provides speaker shafts with M20 universal subwoofer adaptability
●1 3/8" taper and removable M20 lug eliminates wobble and makes for a universal fit for all subwoofers on the market
●Solid steel construction
●item package weight: 1.0 pounds

[1 Count (Pack of 1)]

[1 Count (Pack of 2)]

Description

The On-Stage SSA21 Subwoofer Adapters 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 " 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.