Minimize the transfer of sound from in-ceiling speakers to other rooms! Passive resonance cancellation system improves the performance of in-ceiling speakers. Proper installation significantly reduces drywall vibration. Originally developed for noise cancellation in the hulls of submarines
212 Avenida Fabricante
San Clemente CA 92672-7531
United States
(949) 492-7777
http://www.sonance.com
San Clemente CA 92672-7531
United States
(949) 492-7777
http://www.sonance.com