Sundown Audio SA-Series v.3 Subwoofer 500W
5Best price now
$249.99at WalmartObserved at 5:48 AM
40% under what the other stores charge
Compared across 3 stores. Prices are checked against each store and labelled with when.
40% under what the other stores charge
Compared across 3 stores. Prices are checked against each store and labelled with when.
It checks today's price at every store, compares the alternatives and answers in about a minute.
The Sundown Audio SA-Series v.3 is a car audio subwoofer built for high power in a compact package. It uses a dual voice coil and is rated at 1,500 watts RMS, far above the 500W in its name, and works in sealed or ported boxes. It comes in 10-inch and 12-inch sizes. The best new price is $249.99 at Walmart as of November 5, 2026, with 3 stores listing it new.
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Lowest price we've seen: $249.99 on Nov 5 at Walmart. Tracked across 12 stores since Nov 5.
Ratings are very positive, 5 out of 5 from 8 ratings, and owners in car audio circles treat the SA series as a reliable high-power sub for the money.
