Sundown Audio SAv2 18" D4 Subwoofer | 1000 Watts RMS

Sundown Audio SAv2 18" D4 Subwoofer | 1000 Watts RMS

Experience deep, powerful bass with the Sundown Audio SAv2 18" D4 Subwoofer. Delivering 1000 watts RMS, this 18-inch subwoofer is engineered for superior performance, making it an ideal choice for audiophiles and bass enthusiasts alike. As the largest subwoofer in the SA series, the SAv2 18" D4 is packed with advanced features designed to enhance sound quality, durability, and overall performance.

Unmatched Performance and Design

The SAv2 18" D4 Subwoofer features dual 4-ohm voice coils, offering flexibility in wiring configurations to suit your specific setup. The 2.75” aluminum voice coil former ensures superior heat dissipation, outperforming most 3” coils while maintaining a lightweight design. The large aluminum Faraday ring works to reduce distortion, delivering a smoother and more consistent acoustic response across all frequencies. This subwoofer is built for serious bass with a vented magnetic gap and an innovative high-velocity vented frame spacer ring that keeps the motor cool during intense use.

Built for Power and Durability

The SAv2 18" D4 Subwoofer is designed with a patented high-strength cast aluminum frame, providing a solid foundation that can handle the intense vibrations and power generated by the subwoofer. The high-temperature voice coil wire, coupled with spring-loaded terminals and stitched-on double “XL” tinsel lead wires, ensures reliable connections and long-lasting performance. This subwoofer also features a robust double-layer spider and a competition-grade paper cone with a strong foam surround, making it a powerhouse in any audio setup.

Key Features

• Power Handling: 1000 Watts RMS for deep, resonant bass
• Voice Coil: Dual 4 Ohm for flexible wiring options
• Cooling: Vented magnetic gap and high-velocity vented frame spacer ring for optimal heat dissipation
• Construction: Patented high-strength cast aluminum frame with a large aluminum Faraday ring for smooth acoustic response
• Connectivity: Spring-loaded terminals and stitched-on double “XL” tinsel lead wires for reliable performance
• Design: Ideal for competition setups and high-performance daily driving

Technical Specifications

• T/S Specs (D4 Version):
  • RE (Ohms): 6.06
  • FS (Hz): 31.868
  • VAS (L): 106.964
  • Qes: 0.458
  • Qms: 2.853
  • Qts: 0.395
  • Le (mH): 4.7903
  • BL (NA): 38.159
  • Mms (Grams): 549.519
  • Cms (uM/N): 45.389
  • Sensitivity (dB @ 1w/1m): 90.7 dB

Sundown Audio SAv2 18" Dimensions

Enclosure Recommendations

• Sealed Enclosure: 3.5 cu ft
• Ported Enclosure: 4.5 cu ft
• Recommended Tuning: 35Hz
• Recommended Port Area: 64 sq in
• Displacement: 0.2 cu ft
• Physical Dimensions:
  • Depth: 10.125"
  • Outside Diameter: 18.62"
  • Cut-Out Diameter: 16.69"

Enhance your car audio system with the Sundown Audio SAv2 18" D4 Subwoofer and enjoy bass that’s deep, powerful, and precise. Whether you’re competing or simply enjoying your favorite music, this subwoofer delivers exceptional performance and durability, making it a top choice for serious bass enthusiasts.