For sale due to equipment changes. Purchased in 2023. It's in beautiful condition with no noticeable scratches. Using an isolation pad gives a clearer low-end sound, rather than a boomy one. ■ Isolation Pad ■ For Subwoofers ■ Size: Approximately 45.7 x 55.8 x 4.5 cm ■ 1 piece The Auralex SubDude-HT is a larger, thinner version of the SubDude, designed for subwoofers in home theater and HiFi systems. The SubDude-HT features a design with an inert structural layer covered in stylish velour on an Auralex Platfoam cushion, allowing you to feel the true low frequencies. This carefully selected combination of special materials immediately reduces structural vibrations and interference, resulting in a more accurate and tighter low-end response. The SubDude-HT supports subwoofers up to 300 pounds (approximately 135 kg) and is an excellent isolation pad that instantly brings out the original performance of your subwoofer. ・Dramatically reduces vibrations through walls, floors, and ceilings ・Maintains the accuracy of the original audio track ・Tightens the low frequencies and improves clarity ・Ideal for home theater and HiFi speaker systems