Belden 70046NH is a two-core halogen-free loudspeaker cable with 2.5 mm² conductors, supplied on a 500 m reel with a black outer sheath and red/black core identification. Reaction-to-fire performance is classified Cca to EN 13501-6, making the cable suitable for permanent installation in commercial and public-address audio distribution. Chosen where low smoke, low halogen emission and adequate current capacity are required for longer speaker runs.