Deltron 550-Series. Designed to fit 4mm amplifier and speaker sockets found on most high-end audio separates,Deltron 550-series, 4mm banana plugs aresoldered both ends of each cable. Banana Plugs. TheDeltron 550-0100 and550-0500 plugs fitted are constructed from asilver-plated pin and solder bucket brass conductor, ensuring a consistently high level of performance and connectivity without degradation.Red andblack insulating screw-on acetal plastic covers are fitted as shown.
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