Sound-absorbing cotton, soft and durable acoustic panel bar KTV soundproof roll 5 square meters (black) (black)

Acoustic Panel: Sound absorption and noise reduction effect, wide range of uses, eliminate echo, improve sound quality, beautiful decoration. Acoustic Panel: Acoustic design, full frequency noise reduction, double sound insulation, sound absorption and noise reduction, flame retardant. Acoustic Panel: Sound absorption and sound insulation, double composite material, acoustic design, noise reduction, environmentally friendly material. Acoustic Panel: Tips: This product is designed with self-adhesive glue. It can be installed immediately after the customer receives the package, and the installation is simple and convenient. Acoustic Panel: Color: Yellow, Black, Blue, Gray, Red, Purple/ / Size: 1*5M// Thickness: 3CM// Area: 5 square meters;