RTI AD-4x Audio Distribution System USED- TESTED WITH POWER SUPPLYBRAND: RTI CONDITION: USED TESTED WORKS AS EXPECTED COMES WITH POWER CORD Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the sellers listing for full details and description of any imperfections. MODEL: AD 4X Audio Distribution System Let the music move you with the AD 4x audio