Shure C20AHZ 20-Feet Cable with 1/4-Inch Phone Plug on Equipment End (Pin 2 Hot) Efficient Hi-Flex 20 foot (6 m) cable with 1/4 inch phone plug for high-impedance or unbalanced low-impedance operation (pin 2 hot). Shure Model: C20AHZ UPC Code: 42406060820