Monitor Audio RXW12 Review: Rated 3.6/5

Last updated: October 21, 2026

The Monitor Audio RXW12 is rated 3.6/5 for sound quality, #135 of 212 Medium Home Subwoofers (30-75 lbs). See all Subwoofers rankings for every top pick.

Monitor Audio RXW12 · Editor's rating 3.6/5, ranked #135 of 212 Medium Home Subwoofers (30-75 lbs)

Prices on this page were last checked October 28, 2026 at 1:06 AM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.

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Brand: Monitor Audio

#135 Monitor Audio RXW12: $799 Discontinued eBay

Pros: A sealed 12 inch subwoofer with a strong amplifier for small to medium rooms, now discontinued. It has a 500W RMS amplifier and was measured at 110.9dB average from 40 to 80Hz, peaking at 114.9dB at 50Hz. Its listed response is 21 to 40Hz. The sealed 12 inch design suits small to medium rooms.

Cons: Output drops to 97.9dB at 31.5Hz and 88.9dB at 20Hz, so deep bass is limited. Output also dips to 106.3dB at 63Hz, which makes the response uneven. The cabinet weighs 22.6kg and is 43cm wide and deep. It is discontinued, so it can only be bought used or from remaining stock.

ReleasedSep 2009 (17 years ago)
Amplifier Power500W RMS
CEA-2010-A Average (40-80Hz)110.9 dB (avg of 3/4 bands)
CountryUnited Kingdom
Dimensions15”H x 16.9”W x 16.9”D (381.0 x 430.0 x 430.0 mm)
Drivers12” (305mm) driver
Enclosuresealed
Frequency Response21-40Hz
Measurement SourceBrent Butterworth
Output SPL at 20 Hz88.9 dB
Output SPL at 25 Hz92.0 dB
Output SPL at 31.5 Hz97.9 dB
Output SPL at 40 Hz111.5 dB
Output SPL at 50 Hz114.9 dB
Output SPL at 63 Hz106.3 dB
Warranty5
Weight49.8 lbs (22.6 kg)
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