Main features: | Solid workmanship 2 x DC filter to eliminate interferences | Solid workmanship 2 x DC filter to eliminate interferences | Solid workmanship 2 x DC filter to eliminate interferences | Solid workmanship 2 x DC filter to eliminate interferences | Solid workmanship 2 x DC filter to eliminate interferences | Solid workmanship 2 x DC filter to eliminate interferences | Solid workmanship, 2 x DC filter to eliminate interferences, Gold-plated connector prevents the oxidation of contacts |