Sundown Audio M18D1 – 18" Dual 1-Ohm Subwoofer, 2000W RMS 4000W Max

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SKU: SUN-M18D1
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Regular price $699.99 USD
Massive Power & Clarity

Massive Power & Clarity

Superior Performance

Superior Performance

Advanced Technology

Advanced Technology

Premium Quality

Premium Quality

Experience earth-shaking bass with the Sundown M18D1. This 18" subwoofer delivers 2000W RMS and 4000W peak power, built with dual 1-ohm voice coils and a rugged cast aluminum frame. Perfect for high-output systems and SPL setups, it’s engineered for deep, clean, and powerful low-end performance.

Features:

  • Power Handling: High-performance subwoofer engineered to manage up to 2000 watts RMS and 4000 watts peak, delivering deep, impactful bass with authority.
  • Construction: Built with a durable, etched black backplate that enhances both strength and visual appeal.
  • Design Features: Equipped with a large 18-inch cone and MEGA ROLL surround to ensure wide excursion, accurate sound reproduction, and minimal distortion.
  • Performance: Features an advanced motor assembly and precision-optimized voice coil for tight, responsive bass and consistent output under demanding conditions.
  • Installation Options: Available in Dual 1 Ohm and Dual 2 Ohm voice coil configurations for flexible system integration.

Specifications: 

Specification Details
Product Name Sundown Audio M18D1 18″ Subwoofer (Dual 1 Ω) – M-Series
UPC 810111135337
Size 18″ / 457 mm
Power Handling 2000 W RMS / 4000 W Peak
Impedance Dual 1 Ω (also available in Dual 2 Ω version)
Voice Coil Diameter 3″, 4-layer aluminum round-wire
Motor & Cooling Quad-stack 200 mm magnet × 88 mm stack, mega-roll surround and vented frame
Xmax 35 mm one-way excursion
Sensitivity 85.8 dB @ 1 W/1 m
T/S Parameters Re = 2.12 Ω, Fs ≈26.15 Hz, Vas ≈112 L, Qts ≈0.68, Le ≈1.8 mH
Dimensions Mount depth: 14.05″; OD: 18.46″; Cut‑out: 16.68″
Recommended Enclosure Large ported (~7 ft³, tuned to 32 Hz); sealed not recommended
Construction Highlights Cast aluminum frame, etched black backplate, mega-roll surround, quad magnet design
Country of Manufacture USA (designed and built by Sundown Audio)

Free shipping in the 48 U.S. states. Orders placed before 11 PM ET process next business day; shipping takes 5–8 days. Tracking info is emailed once shipped. To cancel, contact info@eliteautogear.com within 24 hours. Processed orders can’t be canceled. Thank you for choosing Elite Auto Gear!

Customer Support : 9:00 am to 5:00 pm 

Address: 13446 Alondra Boulevard, Cerritos ,California 90703, United States

Email: info@eliteautogear.com

Phone: (877)-215-8187

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Power That Dominates

Pushes up to 900W peak / 300W RMS for crystal-clear highs and bass that cuts through wind, waves, or trails.

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M**I
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M**I

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B.
★ ★ ★ ★ ★

"Installed Apocalypse 6.5 mids, DS18 tweeters, and Orion 6x9s in my 2014 Dodge Challenger RT — amazing sound! Quality and materials are top-notch. Definitely buying from them again."

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werita&chukito3
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werita&chukito3

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"Definitely a must can't wait to install all my speakers I would buy from them again I got the apocalypse 6.5 mid range ds18 tweeters 3.5 full range and Orion 6x9 mid range"

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B.
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B.

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obs_brycen
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obs_brycen

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