The Krystal SPK-EDGE-2.5-2-ATC Speaker Cable is a premium 2.5 sq. mm 2-core speaker cable designed for high-performance audio installations. Constructed with Annealed Tinned Copper (ATC) conductors, this cable delivers low resistance, clear sound, and long-lasting durability. Perfect for PA systems, auditoriums, schools, malls, commercial sound setups, and home theatre systems, this cable is engineered for professional and reliable audio transmission. Its twisted core design reduces interference and ensures smooth, distortion-free sound. The Variform PVC outer sheath provides excellent protection, flexibility, and easy installation, even though conduits or tight spaces. With robust electrical and mechanical properties, the Krystal SPK-EDGE-2.5-2-ATC is ideal for any fixed speaker installation where clarity, durability, and performance matter. Frequently Asked Questions Where can I use this cable?A-1 Suitable for PA systems, auditorium setups, home theatre systems, and commercial audio installations. Is it made of high-quality copper?A-2 Yes, the cable uses Annealed Tinned Copper (ATC) for durability and clear signal transmission. Can I install it outdoors?A-3 It is primarily designed for indoor use, but can be used outdoors if protected from direct weather. What length do the coils come in?A-4 Standard coils are 100 meters each, with 2 coils per carton for bulk installations. Why choose 2.5 sq. mm over 1.5 sq. mm cable?5 sq. mm handles higher power and longer distances, making it ideal for larger installations. Specification Model / Part No SPK‑EDGE‑2.5‑2-ATC Type Variform Installation Speaker Cable Number of Conductors 2 Conductor – No / Size of Wire 80 strands × 0.20 mm Cross‑Sectional Area 2.5 sq. mm Insulation Type PVC Insulation Diameter 3.60 mm Core Colours Blue & White Sheath Type Variform PVC outer jacket Overall Diameter (OD) 9.00 mm DC Resistance (@20°C) ~8.21 Ω/km Operating Voltage 600 V Inductance (1 kHz) ~0.7 µH/m Capacitance (1 kHz) ~97 pF/m Voltage Breakdown 500 V DC for 15 sec Insulation Resistance ≥ 10,000 MΩ·m Operating Temperature −20°C to 70°C Dielectric Strength 2 kV (1 min) Flex Life 4000 cycles Dielectric Constant ~4 Twisted Core Yes (reduces interference) Packaging 100 m coils (heat shrink film) Weight per Coil ~10.20 kg Master Packing 2 coils per carton
