YGM Acoustic Rockwool® - Set of 4 | 40" x 20" x 3" | Sound Absorption Panels | NRC 1.0, 80 KG/M¬≥ Density | Room Isolation & Acoustical Soundproofing (Warm Beige) Turbo Panels REMARKABLE ACOUSTIC PERFORMANCE: Innovative Periodic

REMARKABLE ACOUSTIC PERFORMANCE: Innovative Periodic Groove Structure for Much Better Broadband Absorption Ability | High NRC: 0

and unwanted reflections for improved room acoustics

VARIOUS USES: 1sqft of 2" thick acoustical foam and are a great solution for spot treating sound studios

BETTER ABSORBPTION: Wedge 2 inch Foam panels are best for echo reduction

YGM Acoustic Rockwool® - Set of 4 | 40" x 20" x 3" | Sound Absorption Panels | NRC 1.0, 80 KG/M¬≥ Density | Room Isolation & Acoustical Soundproofing (Warm Beige) Turbo Panels REMARKABLE ACOUSTIC PERFORMANCE: Innovative PeriodicThe Professional Rockwool Acoustical Panels are Superior in sound absorption with NRC = 1 providing clearer, more enjoyable sound environment. 3 Inch Thick High Density Acoustic Core Extra depth provides superior low frequency absorption, effectively reducing echo, reverberation, and mid bass buildup for clearer speech and tighter, more controlled sound. Integrated 1 Inch Air Gap for Enhanced Absorption Built with a rear air cavity that improves sound