12pcs Black 30X 30 X 5cm Pyramid Acoustic Panels Studio Soundproofing

12pcs (1 Pack). 35gh for 1pc. good for studios, recording studios, vocal booths, control rooms. Used to absorb mid to high range frequencies and diminish echoes. Overall Noise Reduction Coefficient foam tiles perfectly aligned, professional sound quality Color: Black 1pc Size: 50cm * 50cm *5cm Length x width x thickness