Circular Connectors Neutrik Circular Connectors offer rugged all-metal housing, a flexible design, and high contact density. These lockable circular cable and chassis connectors include Neutrik nanoCON, miniCON, and neutriCON series. The nanoCON connectors feature gold-plated contacts, a 3-pole connector design, and excellent cable retention. The miniCON connectors are suitable for multipin/industrial applications due to their flexible and compact design. The neutriCON connectors offer easy and screwless assembly, a flexible part combination, and a push-pull locking mechanism.