The RDL ACB-2 is a handy pro A/V tool that provides numerous uses. Studio environments can always benefit from an extra dual phono RCA extension station. Home theater enthusiasts as well can reap the many befenits of a stereo RCA extension box. A great tool for use anywhere dual RCA signals needs to flow. Features all metal construction with two unbalanced RCA jacks top mounted and ready for wiring through the nylon bushing opening.