Pyle PSI21 Acoustic Sound Proofing Deadening Vibration Isolation Speaker Base

Includes (1) universal recoil stabilizer for speakers, effectively absorbs bass recoil, suitable for stage or studio use, constructed from wood base, engineering foam, and blanket cover Helps achieve optimal audio performance, made of thick and durable foam, designed for beginner and professional acoustic applications. Size (L x W x H): 38 x 50 x 7.5 cm Helps promote "clean" speaker sound projection flow - Carpet covered wooden platform base - Universal compatibility with virtually all speaker types - Max speaker weight limit: 100 lbs.