
SW-M18D1 Sundown Audio M-Series 18" Subwoofer 2000W RMS 1 Ohm DVC
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Compared across 10 stores. Prices are checked against each store and labelled with when.

Compared across 10 stores. Prices are checked against each store and labelled with when.
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The Sundown Audio M-Series 18 is a large-format car subwoofer built for high output. It handles 2000W RMS and 4000W peak, with a dual 1-ohm voice coil wiring to a 0.5-ohm or 2-ohm final load. A quad-stack magnet, mega roll surround and 35mm of Xmax give it serious excursion and low-end extension, with an FS around 26 Hz. It suits SPL and daily-bass builds with the electrical and enclosure support to feed it; it is not a drop-in upgrade for a stock system.
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Lowest price we've seen: $699.99 on Nov 12 at Walmart. Tracked across 10 stores since Nov 12.
Owners of Sundown's M-Series describe it as a loud, deep subwoofer that takes abuse and rewards proper enclosure and power. Most praise its output and build for the money; complaints center on the space and amplifier power it demands.
The Sundown Audio M-Series SW-M18D1 is an 18-inch subwoofer rated at 2000 W RMS and 4000 W peak. It has a dual 1 ohm voice coil.
It is built with a quad stack magnet structure, a mega roll surround and frame, and an etched all-black backplate.
For enclosures, a ported design is recommended. A sealed enclosure is not recommended. A 4th order design is also listed.








