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The Best Sundown Sa 18 of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Sundown Sa 18 of 2023. Check our ranking below.
2,136 Reviews Scanned
- Extreme Power Handling: Experience unparalleled bass with the Sundown Audio SA v.2 D2 subwoofer, boasting an impressive 1250 Watts RMS and 2500 Watts Peak power handling. Its dual 2-ohm voice coils allow for flexible wiring to optimize amplifier performance, ensuring maximum output and thunderous lows.
- Exceptional Excursion & Clarity: This mighty 18-inch subwoofer delivers over 35mm of mechanical excursion and a class-leading 19mm Xmax, providing incredibly deep, responsive, and articulate bass. A large aluminum Faraday ring reduces distortion for a remarkably smooth acoustic response across the entire spectrum.
- Advanced Cooling & Durability: Engineered for relentless performance, the SA v.2 features a vented magnetic gap and an innovative high-velocity vented frame spacer ring for superior heat dissipation. Its high-temperature voice coil wire ensures longevity, even under extreme conditions.
- Robust & Patented Construction: Built on a patented high-strength cast aluminum frame, this subwoofer offers unparalleled rigidity and stability. The motor & coil setup is mated to an extremely robust double-layer spider with fully tied-on & doubled-up “XL” tinsel leads, providing superior mechanical ruggedness.
- Competition-Grade Sound & Reliability: Complete with a competition-grade paper cone and strong foam surround, the SA v.2 is designed for peak performance and dependability. High-quality spring-loaded terminals ensure secure connections, making it the ideal choice for demanding car audio systems seeking deep, low, and extremely responsive bass.
- Sundown Audio U-18 D4 18" 1500W RMS Dual 4-Ohm U-Series Subwoofer
- Specifications: DC Resistance (Re): 6.1 Ω | Resonance Frequency (Fs): 31.4 Hz | Equivalent Volume (Vas): 135.4 L | Electrical Q Factor (Qes): 0.42 | Mechanical Q Factor (Qms): 3.55 | Total Q Factor (Qts): 0.38 | Voice Coil Inductance (Le): 3.97 mH | Force Factor (BL): 35.3 NA | Moving Mass (incl. Air Load) (Mms): 441.3 g | Suspension Compliance (Cms): 0.06 mm/N | Sensitivity: 91.8 dB 1w / 1m
- Box Recommendations: Sealed Enclosure Suggestion: 3.0 cu. ft. | Ported Enclosure Suggestion: 4.0 cu. ft. | Displacement: TBA | Depth: 10.11 in | Outside Diameter: 18.66 in | Cutout: 16.69 in | Recommended Tuning: 32 Hz | Recommended Port Area: 64 sq. in.
- Extreme Power Handling: The Sundown Audio M18 subwoofer delivers immense bass with 2000W RMS / 4000W Peak power handling, ensuring phenomenal performance for even the most demanding car audio systems. This 18-inch subwoofer provides industry-leading levels of low-distortion output.
- Revolutionary Mega-Roll Surround: Featuring Sundown’s custom-tooled Mega-Roll Surround and patented frame design, the M18 achieves an incredible 35mm one-way linear excursion. This allows for the lowest possible bass extension in various enclosures with minimal distortion.
- Advanced Thermal Management: Built for sustained high performance, the M18 includes a 3" diameter 4-Layer Round Wire Aluminum Voice Coil on a thick aluminum former. A high-velocity pole vent, heavily vented magnetic gap, and proprietary cast-aluminum frame-base venting system keep the coil temperature in check.
- Robust & Optimized Design: The M18 boasts a quad stacked 200mm (7.87”) diameter motor structure with a 20mm thick top-plate for efficient magnetic circuitry. Its durable construction is highlighted by an etched all-black backplate and special M-series magnet boot design.
- Versatile Enclosure Compatibility: While primarily optimized for 7.0 cu ft net ported enclosures (tuned to 32Hz with 112 sq in port area), the M-series uniquely excels in sealed (3.0 cu ft) and IB applications. This flexibility makes it a highly adaptable choice for diverse car audio systems.
- The Sundown Audio U-18 is a 18-in subwoofer with a 1500 watt RMS power rating. It has a sealed, ported, and bandpass enclosure type. It also uses the same voice coil as the X v.2 series.
Last update on 2025-07-17 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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FAQ:
Q: How big is the motor on a sundown SA?
A: When designing the SA series we started out with an FEA optimized motor & coil design capable of 19mm of one-way Klippel verified excursion and just over 33mm of x-mech.
Q: When did the Sundown SA series come out?
A: The Sundown SA series has been our most popular line since its original introduction in 2009. What better way to create a new version 2 than to upgrade, literally, every single part of the woofer?
Q: Are there still sundown SA 10s and 12s?
A: Still available in 10s and 12s it is essentially the SA v.1 Rev.3 but with a black motor finish. We even squeezed in an upgrade… the motor is bolted together for enhanced long-term durability! The Sundown SA series has been our most popular product line since the introduction of the SA-12 in 2009.
Q: What are the specs of the SA series?
A: SA SERIES T/S SPECS SA 6.5″ D2 SA 6.5″ D4 RE (Ohms) 4.0 7.1 FS (Hz) 48.9 51.8 VAS (L) 4.1 3.6 Qes 0.50 0.54 7 more rows …