24-Pack Extra-Thick Sound-Absorbing Foam — 1″ x 12″ x 12″ Wedge-Shaped Noise-Reducing Acoustic Panels; Ideal for Home Offices & Recording Studios; Includes 240 Double-Sided Adhesive Tabs

This 24-piece set of thickened acoustic foam features a classic pyramid profile, with each piece measuring 12 × 12 × 2 inches and finished in a uniform black color. Crafted from high-density polyurethane foam with a density of 26 kg/m³, the material is infused with flame retardants to meet the UL 94 HF-1 standard; it is self-extinguishing upon contact with fire, ensuring safety and reliability. The structure—characterized by pointed tips and four sloping sides—significantly increases the reflection path length of incoming sound waves, thereby effectively absorbing mid-to-high frequency sounds (500 Hz–4 kHz), including reflected noise and flutter echoes. Each package contains 24 pieces; when installed with standard spacing, the set covers approximately 24 square feet of wall or ceiling surface area. For installation, we recommend using the included double-sided tape or a specialized spray adhesive; ensure the mounting surface is clean and dust-free before application. Whether for a home recording studio, a podcast booth, or a live-streaming backdrop, this product significantly reduces reverberation time, resulting in a cleaner, crisper sound. A black-and-gray color variant (distinct from this all-black version) is also available to suit various interior design preferences.