De-couple your monitor from its mounts with the PSI21 Acoustic Sound Isolation Dampening Recoil Stabilizer Speaker Riser Platform Base from Pyle Pro. This sound-isolation pad measures 15 x 23.3", and is engineered out of foam. It's designed to eliminate unwanted coupling resonance, thereby promoting the flow of unadulterated sound from your speakers. The stabilization, isolation, and absorption eliminates disruptive resonant coupling and gives your audio frequencies flow-free ability with deep and natural bass clarity.