THERE'S VALUE IN QUIET. Reduce sound transmission and dampen sound waves with Phillips resilient sound channels. Phillips RC products are inserted between the drywall wall and the stud work. The resilient channels act as shock absorbers by greatly reducing vibrations coming from either side of the wall. With the most extensive line on the market, Phillips is your resilient sound channel specialists. Phillips is currently the only manufacturer producing RC-2 with two legs of expanded metal. Resilient Sound Channels