Professional CCA 2 x 4mm Speaker Cable LSNH Black
A heavy-duty professional installation 2-core 4 mm (12 AWG) speaker cable is designed for the most stringent domestic, commercial, and public spaces. Suitable for both passive and 110V speakers, this cable offers high flame retardancy with a CCA fire rating. It features a black, flexible, tightly extruded Low Smoke Non-Halogen (LSNH) construction. It looks good and has great bend characteristics, making it easy to handle during installation.
The additional cross-sectional area allows much longer cable runs: up to 96 metres for passive speakers and 500 metres for 110V systems. This cable is also suitable for passive high-power, low-impedance subwoofers delivering powerful, punchy bass effortlessly
We sell this speaker cable cut to length by the metre to reduce on-site wastage and costs. Simply adjust the quantity to the number of metres you require, i.e., 25 metres = quantity 25
For discounts on larger lengths supplied on drums (100m to 500m), please contact us. This offers you cost savings and flexibility for extensive commercial installation projects.
£3.72
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Description
Heavy-Duty 4mm professional installation speaker cable
The WEB 2 core 4 mm (12 AWG) speaker cable features 99.999% oxygen-free plain copper (OFC) conductors, delivering crisp, accurate sound reproduction that installers can trust across various setups. This high-purity copper underscores our commitment to quality and dependable performance.
Designed for the most demanding domestic, commercial, and public space installations where cabling must meet strict fire-rating standards. The cable has a CPR Cca s1a, d1, a1 fire rating that exceeds the BS6701 minimum for flame retardancy, smoke, and acidity in public or high-risk areas, giving professionals confidence in safety compliance.
The thick cross-sectional area allows installers to run much longer cable lengths-up to 96 meters for passive & 500 meters for 100V -without sacrificing audio quality or straining the amplifier, making it ideal for large-scale installations.
This cable insulation and sheath are made with Low Smoke Non-Halogen (LSNH) materials, producing minimal smoke and toxic gas in a fire.
Available in cut-to-length measures to minimise on-site waste and optimise project costs, or convenient drum lengths of 100m, 150m, 200m, 250m, 300m, and 500m. (For bulk discounts on drums, please get in touch with us), ensuring flexibility to meet project needs and budget considerations.
Key Features:
- 99.999% Oxygen-Free Copper (OFC): Ensures high-fidelity transmission with minimal distortion
- CPR Cca s1a, d1, a1 Classification: Exceeds the BS6701 minimum for flame retardance, smoke and acidity performance in high-risk or public areas
- Â This cable is suitable for both passive and 110V systems, compatible with common audio standards such as IEC or CE certifications, ensuring reliable performance across various setups.
- BS6701 Suitable: Ideal for telecommunications wiring in public buildings
- Full LSNH Construction: Insulation and sheath made from Low Smoke Non-Halogen materials, CPR Eca rated
- Perfect for Critical Fixed Installations: Combines audio performance with enhanced fire compliance
- Flexible & Durable: Easy to install and route in a variety of environments
- Cut to length: Sold by the metre to reduce wastage and cost
- Bulk Discounts: Available on 100m–500m drums
The following chart details the maximum cable length by power loss, which should not exceed 5% for home cinema applications.
| 4 mm Speaker Cable Length Power Loss Chart | ||||
|---|---|---|---|---|
| Power Loss % | 4 Ohms Speaker | 8 Ohms Speaker | 16 Ohms Speaker | 110V |
| 2.5 % | 11.8 metres | 23.6 metres | 47.3 metres | Up to 500 metres |
| 5 % | Â 24.2Â metres | Â 48.4 metres | 96.9 metres | |
| 7.5 % | 37.3 meres | 74.6 metres | 149.3 metres | |
| 10 % | 5.12 metres | 102.4 metres | 204.8 metres | |
For more information on specifying the correct cable, please see our ultimate guide on speaker cables
Click the link below to download the full specification sheet.
webro-2-core-4mm-speaker-LSNG-class-cca
Technical details in brief
| Conductor Material | Oxygen-Free Bare Copper |
| Conductor Stranding | 4.0 mm², Class 5 to IEC 60228 |
| Insulation Material | Low Smoke Non-Halogen |
| Number of Cores | 2 |
| Screening Type | None |
| Flame Retardancy | BS EN 60332-3-24C |
| Low Smoke Emissions | Â BS EN 61034-2 |
| Halogen Gas Emissions | BS EN 60332-3-24C |
| RoHS 3 Compliant | Yes |
| Overall Diameter | 10.5 mm |
Q & A
Professional CCA 2 x 4mm Speaker Cable LSNH Black
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