⭐ -✅【Premium Quality】 100% polyester fibre is heat-treated by high-tech and made into a heat treatment public method to achieve density and ensure ventilation; Comes in high density of 230kg/m3 and more uniform, 3D decorative panels; Performs far better than Acoustic Foams and other traditional Acoustic Panels with Low Density Polyester Fibre Product in reduce disturbance ⭐ -✅【Reduce Disturbance】 The highest acoustic absorption coefficient is 0.9 in the noise range of 125-4000 Hz; Perfect for improving vocal clarity and acoustics of your room; Effectively flutter echoes and reduce excess reflections and reverberation; NRC - 0.95; Significantly reduce noise; Eliminate sound impurities; Improve speech intelligibility; Keep the sounds clear of echoes ⭐ -✅【Decorative】 The softness of traditional packages, rich natural material texture experience, a variety of modern colour choices; simple decorative shapes combined with modern sound-absorbing decorative art; can create comfort, tranquility, modernity warmth and elegance, indoor environment ⭐ -✅【Easy machining + Easy Install + Cleaning and Maintenance】 The free cutting of the utility knife, the variety of colour matching, the simple stitching; You can place them on your walls easily with 3M Double Sided Foam tape ⭐ -✅【Widely Applicable】- Ideal for use in multiple places: Professional audio-visual equipment rooms; Professional performing arts rooms; Home studios and music rooms; Home and Public theatres; Professional studios, gymnasiums; Conference rooms; Concert halls; Vocal booths; Classrooms; Offices; Hotels; KTV; Churches (Box Contains) 8Pcs x 600mm*600mm*9mm Acoustic Panels