Based on this product's specifications, here are some alternatives and similar models
Headphone and monitor isolation pad Reloop sMonitor Pad 8 PRO — model RELOOP 226066
Summary description:
Reloop sMonitor Pad 8 PRO is an isolation pad designed for studio monitors and DJ equipment that reduces vibration transfer and improves low-frequency clarity. The product, model RELOOP 226066, serves to decouple speakers or headphones from surfaces, helping to minimise resonance and provide more accurate monitoring in home studios, DJ booths, and small production setups.