The Pyle PSi01 Dual Recoil Stabilizer Acoustic Sound Isolation Platforms help achieve optimal audio performance. The lab-tested and scientifically engineered foam isolator pads eliminate unwanted levels of resonance and help promote the flow of 'clean' speaker sound projection from your speakers. Stabilization, isolation and absorption gives your audio frequencies free-flow ability with deeper and more natural bass clarity. Simply place your speakers on top of the acoustic stabilizers and fill your room with more accurate and crisp sound. The platform bases are reversible for the ability to create upward or downward firing audio effects. Unlock true audiophile performance with the Pyle PSi01 Dual Recoil Stabilizer Foam Isolation Platforms. Sold as pair.