Increase speaker mount compatibility with our SSA3 Adapter Sleeve for Speaker Brackets. The adapter fits between a pole and a socket, enabling a speaker bracket or stand with a 1 3/8" mounting pole to securely hold a speaker with a smaller 1" mounting socket. Its heavy-duty construction ensures sturdy support for reliable speaker placement. | On Stage Stands | | On-Stage Stand Adapter (SSA3 | Black | Best Buy