Shock Spikes Spring Damping Pad HIFI Stand Feet Speaker Spike Foot Pad KTV Subwoofer Stage Matrix Speakers Aluminium Isolation - AliExpress
Amazon.com: 4 Pairs Speaker Spikes Base Pad with Sticker Kit, Subwoofer CD Audio Amplifier Turntable Isolation Stand Feet Cone Base Pads Stick-on Shockproof Mat with 3M Double-Sided Adhesive : Electronics
Amazon.com: Flushbay 4 Pack Speaker Spikes Floor Protectors Adjustable Speaker Isolation Spikes M6 Black for Subwoofer CD DVD Player Audio Amplifier Turntable Recorder Chassis with Speaker Isolation Feet Pad (M6) : Electronics
AudioControl Spike Series 10” High-Performance Subwoofer – Stinger Off-Road – Jeep Audio And Electronics