YGM Acoustic Rockwool® - Set of 12 | 4' x 2' x 3" | Sound Absorption Panels | NRC 1.0, 80 KG/M¬≥ Density | Room Isolation & Acoustical Soundproofing (Deep Maroon) Self Adhesive Foam Tape Weatherproof Strip FIRE RETARDENT: Fire retardant felt

FIRE RETARDENT: Fire retardant felt panel with self-extinguishing

Increased Midrange Resolution Deeper

ZERO RISK: Zero Chances Of Breathing Issue Which Is the Most Common Problem In Other Rubber Seals

yield beneficial sound diffusion off their exposed edges

Wider wall coverage delivers better results based on room size

YGM Acoustic Rockwool® - Set of 12 | 4' x 2' x 3" | Sound Absorption Panels | NRC 1.0, 80 KG/M¬≥ Density | Room Isolation & Acoustical Soundproofing (Deep Maroon) Self Adhesive Foam Tape Weatherproof Strip FIRE RETARDENT: Fire retardant feltThe 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