Pyle PSI21 Pro(r) 15 X 23.3 Acoustic Sound-isolation Dampening Recoil Stabilizer Speaker Riser Platform Base

? 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: 100lbs;? Dim: 3H x 23.3W x 15D;