I had to open the box to ohms test to find the length. The Belden 8451 22 AWG 2-Conductor Shielded Audio Cable is a high-quality cable designed for audio/video applications. With a wire gauge of 22-21 AWG and a length of 414 ft, this cable is ideal for transmitting audio signals with low impedance of 110 Ω. Its tinned copper conductor material ensures excellent conductivity, while the polyethylene insulation material provides protective insulation. The black sheath color makes it easily identifiable for routing and installation. This flame retardant cable is suitable for various audio/video setups requiring a reliable and efficient transmission of audio signals.