Acoustic foam, such as the "Round" sound-absorbing foam, plays a vital role in enhancing sound quality in rooms where clarity and purity are essential. Featuring an open-cell structure, this foam efficiently converts sound energy into heat, effectively absorbing it. Moreover, the 3D patterns on its surface help scatter reflected sound waves, particularly in the mid- and high-frequency ranges, resulting in a cleaner and more robust overall sound in the room.

The "Round" acoustic foam excels in managing high frequencies, effectively eliminating flutter echoes without overwhelming the space with excessive sound absorption. It finds application in various environments, including vocal booths, home studios, and other settings, particularly when used alongside corner bass traps.

Key Specifications:

- Dimensions: 50x50cm / (20 х 20 inches)
- Thickness: 5cm (2.1 inches)
- Material: Open-cell polyurethane foam
- Density: 25 kg/m3 / (1.8 lb/ft3)
- Noise Reduction Coefficient (NRC) range: Approximately 0.2 — 0.94
- Compression strain: 3.7 - 4.3 kPa (40% compression)
- Permanent deformation: Up to 3.6% (22 hours, 50% compression at 158 °F)
- Tensile strength: From 90 kPa
- Temperature resistance: Approximately 122 °F
- Number of pores per 1 cm2: About 400
- Number of large pores per m2: ≦ 1%
- Panel thickness error margin: Up to 0.5 cm / (0.2 inches)
- Panel area error margin: Up to 1 cm / (0.4 inches)
- CIELAB chromatic error range: Delta E ≦ 5

Acoustic polyurethane foam panels offer several advantages over other sound-absorbing materials, including high NRC, lightweight construction for easy handling, and compatibility with various surface types and shapes. Additionally, their visually appealing surface patterns contribute to an aesthetically pleasing environment.

In summary, "Round" acoustic foam panels provide an effective solution for achieving superior sound quality in recording studios, audition rooms, and other enclosed spaces. It's essential to note that acoustic foam is typically compressed for shipping, and allowing it time to expand and regain its shape upon unpacking is crucial for optimal performance. Additionally, the presence of larger pores in the foam is normal and does not significantly affect its performance.