This high quality, professional loudspeaker cable features 2 x 1mm twisted pair cores and is designed for installation of commercial / professional audio systems such as 100v line speaker runs. This high grade cable features low smoke zero halogen jacketing to ensure reduced toxic and corrosive gas emissions in the event of a fire. Whereas standard cable can emit dangerous gases when exposed to sources of high temperature or flames, LSZH cables offer a safe solution often required and specified into poorly ventilated areas and closed environments such as transport, retail, offices, etc.