- Ideal for professional sound engineering and the best signal with microphones and active loudspeakers ,- Full metal plug with locking system for totally secure contact ,- 3 layers of screening ,- Fully silver-coated, copper-modulated OFC conductor material for an excellent sound experience ,- 24-karat hard gold-plated solid metal plugs ,- Optimised kink protection ,- Thick jacket to protect the cable ,- Ideal for PA use ,- Multiple protection ,- Symmetric design ,- HRA - High Resolution Audio ,- Professional audio ,- 30-year warranty