Premium Double Shielded Subwoofer Cable With Impedence Matched Y RCA Adapter For Highest Signal Transfer 50 Ft Other Lengths Avail Double shielded against EMI/RFI CL2 Rated for in-wall applications when required Impedance matched Y adapter for MAXIMUM sub amp stability Gold Plated Connections for excellent signal transfer Y Adapter portion is a single female to two male config for easy set-up