- Replaces 1-3/8" Pole Mount Socket
- Adapter Offers M20 Threaded Pole Socket
- Provides Rock-Solid Connection
- Simple Remove and Replace Installation
The black On-Stage M20 Speaker Cabinet Adapter allows you to upgrade your subwoofer from an existing 1-3/8" socket with the SSA20M threaded speaker adapter. This direct-replacement adapter is designed for most socket mounts and all you have to do is simply remove and replace.