Monoprice SW-15 vs HSU Research MBM-12

Last updated: October 27, 2026

Short answer: the Monoprice SW-15. It ranks #14 of 212 subwoofers by sound quality (rated 4.1/5) at $499.99 and is still sold new; the HSU Research MBM-12 ranks #58 (rated 3.8/5) and is discontinued, so it is only an option used.

Monoprice SW-15 vs HSU Research MBM-12

The case for the Monoprice SW-15: A big 15 inch subwoofer with powerful, punchy bass at a budget price, great for movies in a large room. The tradeoff: Budget-tier design, ported room gain dependency, 66.1 lbs (30 kg) mid-size, and limited dynamic headroom.

The case for the HSU Research MBM-12: A 12 inch mid bass module with switchable sealed or ported tuning, built for fast, punchy upper bass rather than deep rumble. Watch for: It is not a true subwoofer, with output falling to 96.7dB at 31.5Hz and 69.7dB at 20Hz, so it will not deliver deep movie rumble.

Buy the Monoprice SW-15. It is rated higher for sound quality; the HSU Research MBM-12 is no longer sold new.

Looking for alternatives? See the complete Subwoofers rankings.

Monoprice SW-15

A big 15 inch subwoofer with powerful, punchy bass at a budget price, great for movies in a large room.

Driver: 15"Enclosure: PortedOutput 40-80 Hz: 119 dBWeight: 66.1 lbs
Amazon $499.99 eBay
$499.99
HSU Research MBM-12 Discontinued

A 12 inch mid bass module with switchable sealed or ported tuning, built for fast, punchy upper bass rather than deep rumble.

Driver: 12"Enclosure: PortedOutput 40-80 Hz: 114.8 dBWeight: 47 lbs
eBay
$799

Prices on this page were last checked October 29, 2026 at 4:42 PM 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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Specifications Side By Side

Monoprice SW-15 HSU Research MBM-12
Price$499.99$799 Discontinued
Ranked#14 of 212 in Medium Home Subwoofers (30-75 lbs)#58 of 212 in Medium Home Subwoofers (30-75 lbs)
Enclosureported, bottomported, front
Output SPL at 15 Hz90.0 dB-
Output SPL at 20 Hz101.2 dB69.7 dB
Output SPL at 25 Hz106.3 dB87.7 dB
Output SPL at 31.5 Hz111.2 dB96.7 dB
Output SPL at 40 Hz116.0 dB109.9 dB
Output SPL at 50 Hz120.2 dB114.4 dB
Output SPL at 63 Hz120.5 dB116.9 dB
Output SPL at 80 Hz119.5 dB118.1 dB
CEA-2010-A Average (40-80Hz)119.0 dB114.8 dB
Dimensions18.1”H x 21”W x 22.7”D (459.7 x 533.4 x 576.6 mm)19”H x 14”W x 18”D (482.6 x 355.6 x 457.2 mm)
Weight66.1 lbs (30.0 kg)47 lbs (21.3 kg)
Warranty17/2
Cabinet Colorblack-
CountryUnited StatesUnited States
Measurement SourceAudioholicsIlkka Rissanen
Frequency Response30-150Hz (-10dB)50-80Hz (optimized mid-bass)
Amplifier Power600W RMS / 800W peak350W
Crossover Frequency40-150Hz, 18dB/octave-
Phase Control0° or 180°-
InputsStereo line level and speaker level-
Drivers15” (381mm) driver12” (305mm) driver

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