The REF721 is fitted with two male stereo jack 6.3mm connectors and one 6.3mm stereo jack male stereo connector, the construction is made using the RIG44 cable. The easy to handle PVC jacket is excellent for fixed indoor and mobile applications. The RIG series cables are very high quality signal cables for indoor, fixed or mobile applications. They have a PVC jacket and are very easy to handle. The tin plated inner conductors are fitted with a durable tin plated copper shielding and an extra Aluminium -mylar foil. This gives an excellent protection against interference of all kinds such as electromagnetic fields produced by dimmers, electric motors or power cables. The RIG series cables are “all-round” signal cables which are suited for all kinds of applications where the best reliable signal transmission is needed. The premade cable comes in lengths of 1,5 and 3 meters, providing solutions for all applications.