4db 50x50cm vastagság 1,5cm hangszigetelő akusztikus hab kezelés hangelnyelő pamut zajszivacs hangszigetelés

 
 
4Pcs 50x50cm Thickness 1.5cm Sound Proofing Acoustic Foam Treatment Sound-absorbing Cotton Noise Sponge Sound Insulation
 
Features:
-High density acoustic foam cell structure
-Helps to flutter echoes and reduce excess reflections and reverberation
-Improves vocal clarity and acoustics of your room
-Ideal for use in recording studios and home theatres
-Highly fire retardant
-Can be easily attached with staples, nails, screws, tacks, glue or
-Classic wedges design looks great and provides varying thickness to balance absorption and reflection
-Acoustic foam meets the criteria for a Class B rating
-Widely used in recording studio, Drum room, studio, piano practice room, KTV hall, cinema, etc
 
Specifications
Material: Cotton
Size:500*500*1.5mm
Color: Black
 
Package included
4 x Acoustic foam
 
Note: 
The product is packed by Vacuum. It should be stand for several days before you use,  It will be fast return to normal if you soak in the water.