At its core the QX16/2 LSZH features a large cross-sectional area of high purity copper conductors. This design ensures minimal signal loss and maximum signal transfer allowing your audio to flow thro more→ugh the cable with unparalleled clarity and fidelity. The QX16/2 LSZH 2 Core Speaker Cable is the ideal choice for home cinema systems that require cables to be buried in the wall. Its Low Smoke Zero Halogen (LSZH) compliance ensures peace of mind and ensures that in the unlikely event of a fire the cable will emit low levels of smoke and non-toxic halogens minimizing potential harm to occupants and sensitive equipment.