4 Pcs Rubber Speaker AMP CD Isolation Damper Feet Stand Subwoofer Pad Foot | eBay
Amazon.com: Monosaudio 4Pcs 40x20mm Speaker Isolation Feet 3M Adhesives Speaker Spike Pads with Non-Slip Rubber Rings for Audio,Speakers, Subwoofers, Home Theater, Turntable DAC Feet Pad (Black Color) : Electronics
SVS Subwoofer Isolation feet compared to standard feet. Looked promising, but made little to no difference in rattling on mantle/walls/etc. : r/hometheater
Lacyie Foot Cushion|Speaker Spikes Subwoofer Amplifier Isolation Feet Stand Cone Pad
SVS SoundPath Subwoofer Isolation System | Fix subwoofer rattle and improve bass
4X DIY Rubber Speaker AMP CD Isolation Damper Feet Stand Subwoofer Pad Foot Tool | eBay
SVS SoundPath subwoofer isolation feet, Ø58x40 mm.