Wirepath SP-144-DB-500-BLK 14/4 direct burial speaker wire delivers reliable long-run outdoor audio performance with oxygen-free copper, moisture-resistant protection, and a 500 ft drum for professional landscape installs.
The Wirepath SP-144-DB-500-BLK is built for outdoor audio jobs where standard indoor cable is simply not enough. This 14/4 direct burial speaker wire uses 14 AWG oxygen-free copper conductors to support stronger signal delivery over longer distances, making it a smart choice for landscape speaker systems, outdoor zones, and installations that need four conductors in one jacket. Its thermoplastic PVC sheath helps protect against moisture, soil, and corrosion, while the 500 ft drum format keeps larger outdoor pulls cleaner and easier to manage. This product is sold as a 500 ft drum.
Why installers choose this direct burial speaker wire
- 14/4 direct burial design is ideal for underground outdoor speaker wiring.
- 14 AWG oxygen-free copper helps support cleaner signal transfer on longer runs.
- 4-conductor layout is useful for carrying two speaker channels in one cable jacket.
- Moisture-resistant thermoplastic PVC sheath helps protect against water, soil, and corrosion.
- Strong fit for 8 ohm outdoor speaker systems and demanding landscape audio projects.
- 500 ft drum format is practical for larger jobs and smoother trench or conduit pulls.
- UL Listed, CL2, RoHS, and Ft4 rated for professional installation standards.
- Well suited for outdoor speakers and landscape subwoofer systems where dependable underground cable matters.
Best use cases
- Landscape audio systems with multiple outdoor speakers across yards, patios, and pool areas.
- Direct burial outdoor speaker runs where long-term moisture resistance is critical.
- Installations using one cable to carry stereo pairs or two speaker lines in the same trench path.
- Residential and commercial outdoor audio projects that need heavier-gauge 4-conductor cable.
Recommended with this product
- Speaker wire if you are comparing direct burial and indoor-rated cable options.
- Outdoor speakers for patio, garden, and landscape audio installations.
- Audio amplifiers for powering outdoor speaker zones and larger distributed audio systems.
Quick guidance
If you need one outdoor speaker cable that can handle longer runs, underground exposure, and multi-conductor flexibility, this Wirepath 14/4 direct burial cable is a very practical choice. It is especially useful for landscape audio projects where durability, lower resistance, and cleaner cable routing all matter from the start.
14/4 direct burial speaker wire built for tough outdoor environments
500ft drum ideal for long 8-ohm audio runs and multi-zone setups
Thermoplastic PVC jacket seals out moisture and prevents corrosion
Compatible with Episode Landscape Series and outdoor systems
Oxygen-free copper conductors ensure high-fidelity sound transfer
UL Listed, CL2 rated, RoHS compliant, and Ft4 fire-rated
Durable design for underground or outdoor conduit installations
Backed by a Lifetime Limited Warranty for lasting reliability
1. Is this Wirepath speaker wire rated for direct burial?
Yes. The SP-144-DB-500-BLK is designed for direct burial use, making it suitable for underground outdoor speaker wiring in landscape and patio audio systems.
2. Why choose 14/4 speaker wire for an outdoor audio install?
14/4 cable gives you four conductors in one jacket, which is useful for carrying two speaker channels in a single run while also providing the lower resistance benefits of 14 AWG wire for longer outdoor distances.
3. How much cable is included with the SP-144-DB-500-BLK?
This product is sold as a 500 ft drum, which makes it a practical option for larger landscape audio projects and multi-speaker outdoor installations.