Professional CCA 4 x 1.5mm (16AWG) Speaker Cable LSNH Black
High-performance 4-core 1.5mm (16AWG) professional speaker cable with Low-Smoke, Zero-Halogen (LSNH) sheathing. Engineered for multi-room audio, custom installations, and commercial AV projects where safety and clear signal integrity are paramount.
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 get in touch with us. This offers you cost savings and flexibility for extensive commercial installation projects.
£2.94per metre
- Description
- Technical Specifications
- Comparison Guide
- Q & A
- Reviews (0)
Description
Fire-retardant professional installation 4-core speaker cable 1.5mm (16AWG)
Upgrade your audio installations with our Professional 4-Core 1.5mm (16AWG) Speaker Cable, specifically engineered for custom AV integrators, commercial setups, and high-end residential audio systems.
Featuring a flexible Low Smoke Zero Halogen (LSNH) outer jacket in sleek black, this cable minimises toxic emissions and dense smoke in a fire, making it fully compliant with modern building regulations, public spaces, and multi-dwelling residential projects.
With 4 individual 1.5mm² (16AWG) cores, this multi-core configuration is ideal for bi-amping, dual-zone stereo speaker runs, or complex architectural sound routing from a single tidy cable run, reducing clutter and simplifying installation behind walls and through ceiling voids.
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)
Key Features:
- 99.999% Oxygen-Free Copper (OFC): Ensures high-fidelity transmission with minimal distortion
- 4-Core Configuration: Four robust 1.5mm² (16AWG) conductors—ideal for multi-zone audio, custom whole-home audio, or bi-wire/bi-amp setups.
- LSNH (Low Smoke Zero Halogen) Jacket: Essential safety insulation that emits minimal smoke and zero toxic halogens when exposed to extreme heat or fire.
- Professional Grade CCA: Copper-Clad Aluminium conductors offering an optimal balance of high conductivity, lightweight flexibility, and cost-effectiveness.
- Flexible & Easy to Route: Highly pliable outer black sheath designed for smooth pulling through conduits, ceiling spaces, and tight wall cavities without kinking.
- Versatile Applications: Perfect for commercial AV installations, schools, public venues, offices, and custom home cinemas.
- 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-core 1.5 mm Speaker Cable Length Power Loss Chart | ||||
|---|---|---|---|---|
| Power Loss % | 4 Ohms Speaker | 8 Ohms Speaker | 16 Ohms Speaker | 110V |
| 2.5 % | 3.7 metres | 7.5 metres | 15 metres | Up to 150 metres |
| 5 % | 7.7 metres | Â 15.4 metres | 30 metres | |
| 7.5 % | 11.8 metres | 23.7 metres | 47.3 metres | |
| 10 % | 16.2 metres | 32.4 metres | 64.9 metres | |
For more information on specifying the correct cable, please see our ultimate guide on speaker cables
Looking for a different 4-core speaker cable?
| 4-Core Professional Cable Comparison Chart | ||||
|---|---|---|---|---|
| Cable Conductors | Â 8 Ohms Speaker
Max length @ 5% Loss |
110V Max Length | Overall Diameter | Product Link |
| X4 1.5 mm | 15.4 metres | 150 metres | 7.6 mm | above |
| X4 2.5 mm | 24.4 metres | 300Â metres | 9.3 mm | 2.5 mm cable click here |
| X4 4.0 mm | 48.4 metres | 500 metres | 10.5 mm | 4.0 mm cable click here |
Click the link below to download the full specification sheet.
webro-4-core-1.5mm-speaker-LSNG-class-cca
Technical details in brief
CE CPR Classification>Cca s1a, d1, a1 to BS EN 50575:2014+A1:2016
| Conductor Material | Oxygen-Free Bare Copper |
| Conductor Stranding | 1.5 mm², Class 5 to IEC 60228 |
| Insulation Material | Low Smoke Non-Halogen |
| Number of Cores | 4 |
| 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 | Â 7.6 mm |
Speaker Cable Selection Guide: 1.5 mm (16AWG) vs 2.5 mm (14AWG) vs 4.0 mm (12AWG)
Choosing the correct wire gauge (AWG) is critical for protecting audio performance over distance, ensuring amplifier efficiency, and complying with modern building safety standards.
Remember the primary rule of AWG: a lower gauge number indicates a thicker conductor. Thicker cables provide lower electrical resistance, allowing high-power signals to travel longer distances without attenuation or loss of dynamic control.
At-a-Glance Comparison
| Specification | 1.5mm² (16AWG) | 2.5mm² (14AWG) | 4.0mm² (12AWG) |
| Primary Category | Standard Multi-Room & Background Audio | Heavy-Duty All-Rounder & Home Cinema | High-Power, Subwoofers & Ultra-Long Runs |
| Max Recommended Run (8Ω) | Up to 15 metres | Up to 25 metres | 25 to 50+ metres |
| Max Recommended Run (4Ω) | Up to 7.5 metres | Up to 12 metres | Up to 25 metres |
| Jacket Safety | LSNH (Low Smoke Zero Halogen) | LSNH (Low Smoke Zero Halogen) | LSNH (Low Smoke Zero Halogen) |
| Core Configuration | 4-Core (Black Sheath) | 4-Core (Black Sheath) | 4-Core (Black Sheath) |
| Flexibility / Route Ability | High (Easy tight pulls through small conduit) | Moderate (Good balance of strength & bend radius) | Stiffer (Requires larger conduit & direct wall paths) |
Detailed Breakdowns & Best Applications
1. Professional 4 x 1.5mm² (16AWG) Speaker Cable LSNH
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Best For: In-ceiling speakers, multi-room background audio, surround sound rear speakers, and shorter residential runs.
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Why Choose 1.5mm: It provides a lightweight, highly flexible outer jacket that routes easily through narrow wall cavities, dropped ceiling grids, and tight conduits. For standard background audio or shorter home cinema surround runs, 1.5mm delivers full audio fidelity without unnecessary cable bulk.
2. Professional 4 x 2.5mm² (14AWG) Speaker Cable LSNH
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Best For: Dolby Atmos in-ceiling/in-wall setups, mid-to-large home cinemas, commercial hospitality venues, and medium-distance runs.
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Why Choose 2.5mm: Considered the industry “sweet spot” for custom installation integrators. The increased conductor volume handles longer distances and higher power draws without choking bass response or introducing high-frequency attenuation.
3. Professional 4 x 4.0mm² (12AWG) Speaker Cable LSNH
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Best For: Passive subwoofers, high-wattage reference cinema amplifiers, low-impedance (4Ω/2Ω) performance speakers, and long commercial runs (auditorium/outdoor patio).
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Why Choose 4.0mm: Designed for high-current demands. Heavy bass signals and high-RMS-output amplifiers require maximum cross-sectional area to prevent power loss as heat. When routing audio across whole properties or driving low-impedance speakers, 4.0mm guarantees optimal system damping factor and signal transfer.
Why 4-Core LSNH Sheathing Matters
All three options feature two distinct structural advantages required for modern professional installations:
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4-Core Layout Efficiency: Pulling a single 4-core cable saves up to 50% on installation time compared to pulling two separate 2-core cables. It is ideal for wiring stereo speaker pairs (L/R) from a single run, bi-amping bi-wire speakers, or handling multi-zone routing.
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LSNH (Low Smoke Zero Halogen) Compliance: Mandatory for many commercial installations, schools, and multi-dwelling residential buildings. In a fire, LSNH sheathing emits minimal smoke and no toxic halogens, protecting occupants and preserving emergency exit visibility.
Q & A
Professional CCA 4 x 1.5mm (16AWG) Speaker Cable LSNH Black
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