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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.
2,912 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 𝐁𝐀𝐒𝐒 𝐏𝐎𝐖𝐄𝐑: Built to push limits, the M Series 18" Subwoofer delivers an earth-shaking 4000W peak power and 2000W RMS. Whether you're looking to dominate SPL competitions or enhance your daily drive, it produces consistent low-end output with exceptional clarity and minimal distortion.
- 𝐎𝐇𝐌 𝐂𝐎𝐍𝐅𝐈𝐆 𝐅𝐋𝐄𝐗𝐈𝐁𝐈𝐋𝐈𝐓𝐘: Available in both Dual 1 Ohm and Dual 2 Ohm configurations, giving you the freedom to match your subwoofer to your amplifier setup for maximum efficiency and performance. Ideal for custom car audio systems that demand precision tuning and power handling.
- 𝐀𝐃𝐕𝐀𝐍𝐂𝐄𝐃 𝐒𝐔𝐑𝐑𝐎𝐔𝐍𝐃 𝐒𝐘𝐒𝐓𝐄𝐌: Featuring Sundown's signature mega roll surround and matching frame, this subwoofer offers increased excursion and durability. The surround enhances cone movement, enabling loud and controlled bass that hits harder and deeper without sacrificing accuracy.
- 𝐌𝐀𝐗𝐈𝐌𝐔𝐌 𝐌𝐀𝐆𝐍𝐄𝐓𝐈𝐂 𝐅𝐎𝐑𝐂𝐄: Engineered with a quad stack magnet structure for unmatched magnetic strength and motor control. This setup ensures powerful, responsive cone movement and helps maintain performance under continuous heavy use. It’s built for serious bass heads.
- 𝐒𝐋𝐄𝐄𝐊 𝐀𝐍𝐃 𝐒𝐓𝐔𝐑𝐃𝐘: The etched all-black backplate gives the subwoofer a stealthy, aggressive look while contributing to heat dissipation and structural integrity. Designed for high performance and visual appeal, it perfectly balances function with a refined aesthetic.
- 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 …