Universal recoil stabilizers; Assists in achieving optimal audio performance; Helps promote the flow of clean speaker sound projection; Reduces vibration & unwanted audio resonance; Stabilizes & isolates speakers; Effectively absorbs bass recoil; Made of high-density, engineered durable foam; Speaker is placed on the pad platform; Antislip rubber speaker bass pad; Suitable for on-stage or in-studio use; Universal compatibility with virtually all speaker types; Works with studio monitors, subwoofers, loudspeakers, shelf speakers & more; Wood base, engineered foam & blanketed cover; Max speaker weight: 90lbs; Dim: 2H x 15W x 15D;