The Pyle PSI15 is a Pro Audio Pa speaker platform pad designed for sound isolation and vibration dampening. It helps to achieve optimal audio clarity by reducing unwanted resonance while promoting clean sound projection. This 15"" x 15"" speaker platform is made from high-density engineered foam, which effectively absorbs bass recoil and stabilizes your sound, making it perfect for both on-stage performances and studio use. The platform supports speakers weighing up to 90 lbs and is ideal for use with studio monitors, subwoofers, and Pa loudspeakers. Whether you re a Dj, Mc, or sound engineer, this platform enhances the overall performance of your audio equipment by ensuring cleaner, more stable sound.