Pyle PSI04 - Acoustic Sound Isolation Dampening Recoil Stabilizer Speaker Riser (for Studio Monitor, Subwoofer, Loudspeakers, Shelf Speakers, etc.) 7.5'' x 9.0'', Sold as Single Unit - Walmart.com
Stage & Studio PA Speaker Platform Base PSI12 – Pyle USA
Amazon.com: Pyle Sound Dampening Speaker Riser Foam - Audio Acoustic Noise Isolation Platform Pads Recoil Stabilizer w/ Rubber Base Pad For Studio Monitor, Subwoofer, Loud Speakers - PSI08 (13 x 11 x
Sound Deadening Mat Car Sound Deadener Noise Insulation Acoustic Dampening Foam Subwoofer Pad 20mm 500x1000mm - Walmart.com
Amazon.com: Audiocrast Spring Speaker Isolation Stand Feet, Aluminum Non-Slip Speaker Floor Protectors, Sound Dampening Anti Vibration Speaker Base Pad for HiFi Amplifier/DAC/Turntable/Player 4PCS (Black) : Electronics
Amazon.com: Pyle Sound Dampening Speaker Riser Foam - Audio Acoustic Noise Isolation Platform Pads Recoil Stabilizer w/ Rubber Base Pad For Studio Monitor, Subwoofer, Loud Speakers - PSI15 (15 x 15 x