Evolution xpc ofc professional 1 pair evolution xpc 301 031 20m buy evolution xpc professional analogue audio cable 1 pair black 20m designed for use where a small diameter balanced signal is required incorporating the following features single pair 2 cores 24awg wire size 702mm conductor stranding 35mm cable diameter 85rkm conductor resistance 130pfm corescreen 85pfm corecore capacitance oxygen free copper conductor material pvcneoprene jacket material 30degc to