If you have noise an issues during the course and work or even sleeping. We have 2 solution to solve these problems to you is soundproof external or sound absorption in the room.
SP Sonic is a experts noise and vibration. We have the best products for absorbing sound with special features of the materials used to assemble the products marketplace. It was a good product and quality. The Noise Reduction Coefficient (NRC) is 1 (excellent sound absorption) and value. And suit a variety of applications.
