Sundown Audio SLD 12" D4 Shallow Subwoofer | 600 Watts RMS

Sundown Audio SLD 12" D4 Shallow Mount Subwoofer | 600 Watts RMS

Elevate your car audio system with the Sundown Audio SLD 12" D4 Shallow Mount Subwoofer, expertly engineered to deliver powerful bass in a slim, space-saving design. With an RMS of 600 watts and dual 4-ohm voice coils, this shallow mount subwoofer is perfect for those who demand deep, clear, and distortion-free bass, even in compact enclosures.

High-Performance Design for Superior Sound

The SLD 12" D4 is equipped with a 2.5” black aluminum voice coil, providing exceptional heat dissipation to ensure consistent performance under heavy load. The high-temperature 4-layer copper voice coil wire, paired with stitched-on “Mini-XL” tinsel leads, enhances durability and prevents fatigue, making this subwoofer as reliable as it is powerful.

Advanced Cooling and Acoustic Response

Built for longevity and superior sound quality, this shallow mount subwoofer features a solid pole-piece and multi-vent magnetic gap, ensuring optimal cooling and minimal distortion. The dual-magnet design, combined with a custom-tooled cone shape, reduces mechanical noise and enhances acoustic response, delivering smooth, deep bass across all frequencies.

Rugged and Reliable Construction

Sundown Audio’s SLD series subwoofers are designed with durability in mind. The bolt-through motor design secures the spider, motor, and aluminum pole cap, ensuring long-lasting performance even in the most demanding environments. Additional features like top-plate slits for improved cooling and a magnet shorting ring for reduced distortion make this subwoofer a robust choice for any audio setup.

Key Features

• Power Handling: 600 Watts RMS for powerful, consistent bass
• Shallow Mount Design: Slim profile perfect for tight spaces
• Voice Coils: Dual 4-ohm for flexible wiring options
• Heat Dissipation: Black aluminum 2.5” voice coil with high-temperature 4-layer copper wire
• Cooling: Multi-vent magnetic gap with top-plate slits to reduce distortion and enhance cooling
• Durability: Bolt-through motor design with stitched-on “Mini-XL” tinsel leads
• Acoustic Response: Dual-magnet design and custom-tooled cone shape for smooth, noise-free performance

Technical Specifications

• T/S Specs (D4 Version):
  • RE (Ohms): 6.85
  • FS (Hz): 45.142
  • VAS (L): 29.481
  • Qes: 0.619
  • Qms: 2.298
  • Qts: 0.487
  • BL (NA): 23.025
  • Mms (Grams): 168.773
  • Cms (uM/N): 73.652
  • Sensitivity (dB @ 1w/1m): 88.3 dB

Sundown Audio SLD 12" Dimensions

Enclosure Recommendations

• Sealed Enclosure: 1.0 cu ft for tight, accurate bass
• Ported Enclosure: 1.5 cu ft for deep, resonant bass
• Recommended Tuning: 35Hz for optimal bass performance
• Recommended Port Area: 26 sq in

Physical Specifications

• Depth: 5.45"
• Outside Diameter: 12.625"
• Cut-Out Diameter: 11.125"

The Sundown Audio SLD 12" D4 Shallow Mount Subwoofer is ideal for those who demand high performance in a compact design. Whether upgrading your car audio system or building a custom installation, the SLD 12" D4 delivers powerful, distortion-free bass that will transform your listening experience. Experience the precision and power of Sundown Audio with the SLD 12" D4 Shallow Mount Subwoofer.