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.
BoxerTools Pro Studio Grommeted Sound Dampening Blanket 80 in. x 96 in. Light Blocker, Acoustic Blanket, Wall Hanging, Insulated, Sound Reducing, XL Size Thick Heavy Duty - 2 Pack : Tools & Home Improvement
PrivacyShield® ABSC-25 Barrier Septum Soundproofing Blankets - Acoustical Solutions
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
PrivacyShield® AQFA-10EXT Exterior Soundproofing Blanket - Acoustical Solutions
Room acoustics, Soundproofing, Vocal booths, Soundproof booths
Large Sound Dampening Blanket Soundproof Blanket for Door Acoustic Noise Blocking Blanket Studio Sound Absorption Sheet (48 x 48 Inch) : Everything Else
Fabbay Large Sound Dampening Blanket Soundproof Blanket for Door Acoustic Noise Blocking Blanket Studio Sound Absorption Sheet (95 x 52 Inch) : Everything Else
PrivacyShield® ABSC-25 Barrier Septum Soundproofing Blankets - Acoustical Solutions
Door acoustic blanket DNC-W, White 100 x 235cm, double-layered door sound insulation
The Door-Buddy is designed to be mounted directly on the door and seal all cracks when the door is closed. It will move with the door and it will
Door Buddy - Noise Control Cover. Door Mountable Double Layered Sound Absorption Blanket.
Door acoustic blanket DNC-W, White 100 x 235cm, double-layered door sound insulation
Door acoustic blanket DNC-W, White 100 x 235cm, double-layered door sound insulation
Acoustical Door Blanket Soundproof Blanket For Door