Price History for Monoprice SW-12 400 Watt RMS 600 Watt Peak Powered Subwoofer - 12in Ported Design Variable Phase Control Variable Low Pass Filter For Home Theater
CloseMonoprice SW-12 400 Watt RMS 600 Watt Peak Powered Subwoofer - 12in Ported Design Variable Phase Control Variable Low Pass Filter For Home Theater
The Monoprice SW-12 12in 400 Watt Powered Subwoofer will add deeper bass and more dramatic impact to any music or home theater system. Featuring a front firing 12in woofer a powerful 400 watt RMS amplifier (60
Set Price Alert
Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Jul 29, 2026 | $178.99 |
| Jul 14, 2026 | $266.37 |
| Jul 9, 2026 | $430.47 |
| Apr 25, 2026 | $291.99 |
| Apr 22, 2026 | $364.99 |
| Jan 24, 2026 | $356.37 |
| Jan 4, 2026 | $356.37 |
| Dec 20, 2025 | $356.37 |
| Nov 27, 2025 | $356.37 |
Analysis
Monoprice SW-12 400 Watt RMS 600 Watt Peak Powered Subwoofer - 12in Ported Design Variable Phase Control Variable Low Pass Filter For Home Theater price analysis
Price analysis for Monoprice SW-12 400 Watt RMS 600 Watt Peak Powered Subwoofer - 12in Ported Design Variable Phase Control Variable Low Pass Filter For Home Theater at Walmart: Today's price is $178.99. That's 53% off the MSRP of $377.58. Current price is 39% below the 90-day average of $291.94 (a $112.95 below the running mean).
- The current price of $178.99 is 53% (or $198.59) below the MSRP of $377.58.
- Current price is 39% below the 90-day average of $291.94 (a $112.95 below the running mean).
- The lowest recorded price on PriceWatchPro was $178.99 on July 29, 2026. The current listing is at this all-time low.
- The highest recorded price on PriceWatchPro was $430.47 on July 9, 2026. Today's price is $251.48 below that peak.
- 30-day trend: trending down 58.4% from $430.47 to $178.99.
- Across 8 tracked price changes, the listing has dropped 3 times with an average drop of $108.16.
- PriceWatchPro has been tracking this listing since November 27, 2025 (253 days of price history).
Support
Walmart FAQs
Tips for tracking this Walmart item with alerts and price history.
How do I track price drops for Walmart?
Pick a target price on this page and save it. We will email you when this Walmart listing drops below your goal.
Where can I review price history?
Check the price history chart on this page to compare today’s price against recent highs and lows before buying.
Can I edit or pause alerts later?
Yes. Edit, pause, or delete alerts anytime from your PriceWatchPro dashboard after you sign in.
Snapshot
Monoprice SW-12 400 Watt RMS 600 Watt Peak Powered Subwoofer - 12in Ported Design Variable Phase Control Variable Low Pass Filter For Home Theater shopping snapshot
Track this Walmart listing with real-time alerts, a full price history, and side-by-side savings tips.
Understand pricing trends
Use the chart above to see seasonal lows, promo spikes, and the average street price so you can time your purchase.
Set alerts that match your budget
Choose a target price and we will email you when Monoprice SW-12 400 Watt RMS 600 Watt Peak Powered Subwoofer - 12in Ported Design Variable Phase Control Variable Low Pass Filter For Home Theater dips below that number.
Shop confidently
Review specs, availability, and recent updates from Walmart before jumping to the store page.