The Antari EXT-1 is a 25 ft (7.62 m) extension cable fitted with a 1/4-inch stereo plug. It is specified for use with the Antari BCT-1, HC-1, Z-3, Z-10, and Z-40 models. The available product information does not state the cable’s construction, connector gender configuration, jacket material, shielding, environmental rating, or electrical performance characteristics.