9 Core Shielded Cable is an ideal option for Speaker to amp installation (such as Amplifier BD 9). This cable With 3 Coax 28 AWG And 6 Core 26AWG Wire Braided Shield.
To The the 3 coax wire,it is equal to be double shielded,compared with regular audioline control signal cable (usually there is only an overall shield),it has better performance .