DNC-W is double layered door sound insulation, with NRC 1.0 (100% sound absorption) and will reduce large amount of noise coming through the door, but remember will not mute sound completely, because NRC standard do not measure whole hearing range.
RYB HOME Thermal Insualted Door Curtains, Windproof Entry Door Coverings Draft Block Dividers Noise Dampening Blanket Sound Absorption Sheet for Stuido Office Backdrop, W34 x L80 inch, Grey, 1 Panel
RYB HOME Large Soundproof Blanket, Thermal Insulated Door Curtains for Doorway Noise Reducing Divider for Workshop Basement Laundry Acoustic Covering as Moving Blanket, W48 x L96 inch, Grey, 1 Panel
RYB HOME Large Soundproof Blanket, Thermal Insulated Door Curtains for Doorway Noise Reducing Divider for Workshop Basement Laundry Acoustic Covering as Moving Blanket, W48 x L96 inch, Grey, 1 Panel
Large Sound Dampening Blanket Soundproof Blanket for Door Acoustic Noise Blocking Blanket Studio Sound Absorption Sheet (48 x 48 Inch) : Everything Else
Door acoustic blanket DNC-W, White 100 x 235cm, double-layered door sound insulation
Door acoustic blanket DNC-B, Black 100 x 235cm, double-layered door sound insulation
Door acoustic blanket DNC-W, White 100 x 235cm, double-layered door sound insulation
The popular Door blankets are designed to be attached above a door to dampen the sound going through the doorway., Door Noise Control panel helps to
Door Noise Control Cover (38x90). Double Layered Sound Absorption Blanket. DNC
Window acoustic blanket WNC-B, Black 100 x 180cm, double-layered window sound insulation
Room acoustics, Soundproofing, Vocal booths, Soundproof booths
Door acoustic blanket DNC-B, Black 100 x 235cm, double-layered door sound insulation