4-Core Speaker Cable with Purple Jacket 12/14/16/18AWG
A speaker cable is the critical link between your amplifier and passive speakers. Unlike RCA interconnect cables that carry low-level line signals, speaker cables carry high-current, high-voltage amplified audio signals that actually drive the speaker drivers. For outdoor installations, standard indoor zip-cord fails quickly due to moisture ingress and UV degradation. Our direct burial speaker cable is engineered to survive underground or above-ground landscaping environments while maintaining signal integrity over long runs-up to 100 feet or more.
Why Choose 2-Core (2C) or 4-Core (4C)?
We offer both 2-conductor (2C) and 4-conductor (4C) options to suit different installation needs:
|
Core Count |
Best Application |
|
2-Core (2C) |
Standard stereo connections: one cable runs from one amplifier channel to one speaker. The most common and cost-effective solution. |
|
4-Core (4C) |
① Bi-amping / Bi-wiring: Use 2 cores for lows and 2 for highs in compatible speakers for improved clarity. ② Multi-zone control: Run a single 4-conductor cable to a wall-mounted volume control, then split to left/right speakers at the endpoint-saving material and conduit space. ③ Spare conductors: Keep a backup pair inside the same jacket for future expansion or emergency redundancy on long buried runs. |
Complete Product Parameters
|
Part No. |
AWG |
Cores |
Conductor Stranding |
Insulation Thickness |
Jacket Diameter |
Jacket Material (Optional) |
|
18/2-OFC-16S-DB |
18 AWG |
2C |
16/0.254mm BC |
1.8mm PVC |
4.7mm |
PVC / PE |
|
18/4-OFC-16S-DB |
18 AWG |
4C |
16/0.254mm BC |
1.8mm PVC |
5.9mm |
PVC / PE |
|
16/2-OFC-65S-DB |
16 AWG |
2C |
65/0.16mm BC |
2.1mm PVC |
5.3mm |
PVC / PE |
|
16/4-OFC-65S-DB |
16 AWG |
4C |
65/0.16mm BC |
2.1mm PVC |
6.5mm |
PVC / PE |
|
14/2-OFC-105S-DB |
14 AWG |
2C |
105/0.16mm BC |
2.65mm PVC |
6.5mm |
PVC / PE |
|
14/4-OFC-105S-DB |
14 AWG |
4C |
105/0.16mm BC |
2.65mm PVC |
7.3mm |
PVC / PE |
|
14/4-OFC-41S-DB |
14 AWG |
4C |
41/0.254mm BC |
2.65mm PVC |
7.3mm |
PVC / PE |
|
12/2-OFC-65S-DB |
12 AWG |
2C |
65/0.254mm BC |
3.3mm PVC |
8.0mm |
PVC / PE |
|
12/4-OFC-65S-DB |
12 AWG |
4C |
65/0.254mm BC |
3.3mm PVC |
9.4mm |
PVC / PE |
Note: Jacket color is customizable to your project requirements-purple, black, grey, or any RAL code available upon request.
Detailed Product Structure
(Refer to the 4-core cross-section diagram-our cable is built in 4 distinct layers from outside to inside):
|
Layer |
Component |
Material / Specification |
Function |
|
Layer 1 (Outer) |
Outer Jacket |
PVC or PE |
Waterproof, UV-resistant, abrasion-resistant. PE jacket is the top choice for direct burial due to its extremely low moisture absorption rate. |
|
Layer 2 |
Filler / Tensile Cord |
Polypropylene (PP) or Nylon |
Key feature! Filled between the insulated cores, this tensile cord significantly enhances the cable's pulling strength. During long-distance burial or overhead installation, the tensile cord bears the majority of tension, preventing the copper conductors from stretching or breaking-ensuring stable impedance and consistent sound quality over decades. |
|
Layer 3 |
Conductor Insulation |
PVC (1.8–3.3mm thickness) |
Each conductor is independently insulated to prevent short circuits and maintain stable capacitance characteristics, reducing crosstalk between cores. |
|
Layer 4 (Inner) |
Conductor |
OFC Bare Copper |
Multi-strand construction (e.g., 105/0.16mm or 41/0.254mm). Higher strand count means greater flexibility and improved high-frequency conductivity, reducing the skin effect in longer cable runs. |
Material Advantages
- Conductor – 100% Oxygen-Free Copper (OFC): We never use CCA (Copper-Clad Aluminum) to cut costs. Our OFC conductors offer approximately 40% lower DC resistance than CCA, which translates to:
- Less power loss from your amplifier-more power reaches your speakers.
- Better damping factor for tighter, punchier bass response.
- Significantly lower signal attenuation over long distances (50ft+), ensuring consistent SPL (Sound Pressure Level) at the far end.
- Insulation – PVC: Each conductor is individually insulated with high-grade PVC, providing robust electrical isolation, good temperature resistance, and long-term reliability without cracking or hardening.
- Tensile Cord – Polypropylene/Nylon: This is the "invisible backbone" of outdoor long-distance cables. During construction pulling, trench backfilling, or overhead suspension, the tensile cord absorbs the mechanical stress, protecting the copper conductors from elongation. This maintains stable electrical resistance and prevents subtle degradation over time.
- Outer Jacket – PVC vs. PE (How to Choose):
- PVC Jacket: Flexible and cost-effective for above-ground landscape installations, conduit pulls, or indoor/outdoor transitional runs.
- PE Jacket: The ultimate choice for direct burial. Its closed-cell molecular structure blocks water molecules from migrating into the insulation, preventing conductor corrosion and signal degradation over decades of underground service.
- UV Resistant: Both jacket materials are compounded with carbon black and UV stabilizers, preventing cracking and brittleness under harsh, prolonged sunlight exposure.
Practical Applications
Our direct burial landscape audio cable is the go-to solution for:
- Outdoor Patio & Garden Sound Systems: Run from an outdoor amplifier to rock speakers, bollard speakers, or pendant speakers distributed around pools, lawns, and decks.
- Commercial Landscape Projects: Stadiums, theme parks, resort hotels, and shopping centers requiring 2C or 4C cable for long-distance zoned audio distribution.
- Direct Burial in Trenches (No Conduit Required): With the PE-jacket version, the cable can be buried directly 12–20 inches underground without additional PVC conduit-significantly saving labor and material costs.
- In-Wall / In-Ceiling Home Theater: 4C construction allows easy routing to in-wall volume controls, then splitting to left and right speakers from a single cable run.
- Outdoor Events / Temporary Staging: The tensile cord construction makes the cable exceptionally durable for repeated pulling, coiling, and stagehand handling during touring and rental applications.
Why Source from Our Factory
As a professional audio cable manufacturer, we are not a trading company. Here is what you gain by working directly with us:
- Fully Customizable Colors: Need a specific purple or custom RAL color to match your brand? We offer fully customizable jacket colors with low MOQ.
- 2C / 4C Flexible Options: Choose 2-core or 4-core configurations based on your project requirements-both available across all AWG ranges.
- Flexible AWG & Stranding: We can adjust stranding combinations (e.g., 16/0.254mm or 65/0.16mm) to meet your specific impedance and flexibility requirements.
- Strict Quality Control: Every batch undergoes 100% continuity testing, insulation resistance testing, and water-submersion voltage withstand testing before shipping.
- Cost Efficiency: No middleman markups-your bulk order receives factory-direct pricing, especially for standard 100m / 500ft / 1000ft reels.
- Fast Lead Times: With in-stock raw materials (OFC rods and PE/PVC compounds), we can deliver large-volume orders within 15–20 days. Expedited shipping available for urgent projects.
Contact: Amy
E-mail: Info@rspof.com / yz@rspof.com
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