Monoprice SW-15 vs RSL (Rogersound Labs) Speedwoofer 10S MKII

Last updated: September 19, 2026

Short answer: the Monoprice SW-15 for output per dollar. Its 15-inch ported cabinet and 600W RMS amplifier earn a Large-room Bassaholic rating and the #13 spot of 145 subwoofers at $374.99, though it is a budget design that leans on ported room gain and offers limited dynamic headroom. The RSL Speedwoofer 10S MKII pairs its 10-inch driver with a 400W RMS XDR amplifier and ranks #87.

Monoprice SW-15 vs RSL (Rogersound Labs) Speedwoofer 10S MKII

What the Monoprice SW-15 gets right: 15-inch ported with 600W RMS (800W peak) delivers Large-room Bassaholic rating. The tradeoff: Budget-tier design, ported room gain dependency, 30 kg (66.1 lbs) mid-size, and limited dynamic headroom.

On the RSL (Rogersound Labs) Speedwoofer 10S MKII side: 10-inch ported with 400W RMS (1020W peak) XDR amplifier.

Buy the Monoprice SW-15. It is rated higher for sound quality than the RSL (Rogersound Labs) Speedwoofer 10S MKII and costs less, so there is no real case for the other one.

Looking for alternatives? See the complete Subwoofers rankings.

Buy the Monoprice SW-15 at Amazon ($374.99) →Buy the RSL (Rogersound Labs) Speedwoofer 10S MKII at RSL (Rogersound Labs) ($499) →

Specifications Side By Side

Monoprice SW-15 RSL (Rogersound Labs) Speedwoofer 10S MKII
Price$374.99$450
Ranked#13 of 145 in Medium Home Subwoofers (30-75 lbs)#87 of 145 in Medium Home Subwoofers (30-75 lbs)
Enclosureported, bottomported, rear
Output SPL at 15 Hz90.0 dB89.0 dB
Output SPL at 20 Hz101.2 dB100.0 dB
Output SPL at 25 Hz106.3 dB105.0 dB
Output SPL at 31.5 Hz111.2 dB107.7 dB
Output SPL at 40 Hz116.0 dB110.3 dB
Output SPL at 50 Hz120.2 dB112.9 dB
Output SPL at 63 Hz120.5 dB113.0 dB
Output SPL at 80 Hz119.5 dB112.1 dB
CEA-2010-A Average (40-80Hz)119.0 dB112.1 dB
Dimensions18.1"H x 21"W x 22.7"D (459.7 x 533.4 x 576.6 mm)15.5"H x 15"W x 15.7"D (393.7 x 381.0 x 400.0 mm)
Weight66.1 lbs (30.0 kg)40.6 lbs (18.4 kg)
Warranty15/2
Cabinet Colorblackblack, white
CountryUnited StatesUnited States
Measurement SourceAudioholicsAudioholics
Frequency Response30-150Hz (-10dB)21-200Hz
Amplifier Power600W RMS / 800W peak400W RMS
Crossover Frequency40-150Hz, 18dB/octave-
Phase Control0° or 180°-
InputsStereo line level and speaker level-
Drivers15" (381mm) driver10" (254mm) driver
Output SPL at 100 Hz-111.4 dB
Output SPL at 125 Hz-110.7 dB
Buy the Monoprice SW-15 at Amazon ($374.99) →Buy the RSL (Rogersound Labs) Speedwoofer 10S MKII at RSL (Rogersound Labs) ($499) →

How Monoprice SW-15 compares with other leading options:

Prices on this page were last checked September 23, 2026 at 11:24 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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The Two Speakers In Full

Monoprice SW-15: $374.99 Amazon eBay

Monoprice SW-15 ranking card

Pros: 15-inch ported with 600W RMS (800W peak) delivers Large-room Bassaholic rating. Unrivaled mid-bass punch for $375. Strong output with clean control. Dual speaker-level inputs and 40-150Hz crossover for flexible hookup.

Cons: Budget-tier design, ported room gain dependency, 30 kg mid-size, and limited dynamic headroom.

Notes: Product # 41499

Full Monoprice SW-15 review and specifications →

Amplifier Power600W RMS / 800W peak
CEA-2010-A Average (40-80Hz)119.0 dB
Cabinet Colorblack
CountryUnited States
Crossover Frequency40-150Hz, 18dB/octave
Dimensions18.1"H x 21"W x 22.7"D (459.7 x 533.4 x 576.6 mm)
Drivers15" (381mm) driver
Enclosureported, bottom
Frequency Response30-150Hz (-10dB)
InputsStereo line level and speaker level
Measurement SourceAudioholics
Output SPL at 15 Hz90.0 dB
Output SPL at 20 Hz101.2 dB
Output SPL at 25 Hz106.3 dB
Output SPL at 31.5 Hz111.2 dB
Output SPL at 40 Hz116.0 dB
Output SPL at 50 Hz120.2 dB
Output SPL at 63 Hz120.5 dB
Output SPL at 80 Hz119.5 dB
Phase Control0° or 180°
Warranty1
Weight66.1 lbs (30.0 kg)
Check current price at Amazon ($374.99) →Search eBay for Monoprice SW-15 →

RSL (Rogersound Labs) Speedwoofer 10S MKII: $450 RSL (Rogersound Labs) eBay

RSL (Rogersound Labs) Speedwoofer 10S MKII ranking card

Pros: 10-inch ported with 400W RMS (1020W peak) XDR amplifier. DSP with dual modes (LFE mode for 22Hz extension, Music mode for tight response). Quick tight musical bass at excellent $499 price. Wireless receiver built-in.

Full RSL (Rogersound Labs) Speedwoofer 10S MKII review and specifications →

Amplifier Power400W RMS
CEA-2010-A Average (40-80Hz)112.1 dB
Cabinet Colorblack, white
CountryUnited States
Dimensions15.5"H x 15"W x 15.7"D (393.7 x 381.0 x 400.0 mm)
Drivers10" (254mm) driver
Enclosureported, rear
Frequency Response21-200Hz
Measurement SourceAudioholics
Output SPL at 15 Hz89.0 dB
Output SPL at 20 Hz100.0 dB
Output SPL at 25 Hz105.0 dB
Output SPL at 31.5 Hz107.7 dB
Output SPL at 40 Hz110.3 dB
Output SPL at 50 Hz112.9 dB
Output SPL at 63 Hz113.0 dB
Output SPL at 80 Hz112.1 dB
Output SPL at 100 Hz111.4 dB
Output SPL at 125 Hz110.7 dB
Warranty5/2
Weight40.6 lbs (18.4 kg)
Check current price at RSL (Rogersound Labs) ($499) →Search eBay for RSL (Rogersound Labs) Speedwoofer 10S MKII →