Monoprice Monolith M-10 V2 vs RSL (Rogersound Labs) Speedwoofer 10S MKII

Last updated: September 20, 2026

Short answer: the Monoprice Monolith M-10 V2 for THX-certified extension, the RSL Speedwoofer 10S MKII for peak amplifier power. The M-10 V2 is a 10-inch THX-certified ported sub with 500W RMS that reaches 17-20Hz, but it costs $254.97 more. The RSL pairs a 10-inch ported cabinet with a 400W RMS (1020W peak) XDR amplifier, so it is the cheaper route to high peak power.

Monoprice Monolith M-10 V2 vs RSL (Rogersound Labs) Speedwoofer 10S MKII

What the Monoprice Monolith M-10 V2 gets right: 10-inch THX-certified ported with 500W RMS reaches 17-20Hz.

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

Buy the RSL (Rogersound Labs) Speedwoofer 10S MKII. It is rated higher for sound quality than the Monoprice Monolith M-10 V2 and costs less, which settles it without a real tradeoff to make.

Want more options? Browse the full Subwoofers rankings.

Buy the RSL (Rogersound Labs) Speedwoofer 10S MKII at RSL (Rogersound Labs) ($499) →Buy the Monoprice Monolith M-10 V2 at Amazon ($753.97) →

Specifications Side By Side

Monoprice Monolith M-10 V2 RSL (Rogersound Labs) Speedwoofer 10S MKII
Price$753.97$450
Ranked#109 of 145 in Medium Home Subwoofers (30-75 lbs)#87 of 145 in Medium Home Subwoofers (30-75 lbs)
Enclosureported, frontported, rear
Output SPL at 15 Hz93.9 dB89.0 dB
Output SPL at 20 Hz104.8 dB100.0 dB
Output SPL at 25 Hz108.5 dB105.0 dB
Output SPL at 31.5 Hz109.3 dB107.7 dB
Output SPL at 40 Hz109.7 dB110.3 dB
Output SPL at 50 Hz110.1 dB112.9 dB
Output SPL at 63 Hz110.6 dB113.0 dB
Output SPL at 80 Hz110.9 dB112.1 dB
Output SPL at 100 Hz111.2 dB111.4 dB
Output SPL at 125 Hz111.5 dB110.7 dB
CEA-2010-A Average (40-80Hz)110.3 dB112.1 dB
Dimensions20.9"H x 15"W x 18.9"D (530.9 x 381.0 x 480.1 mm)15.5"H x 15"W x 15.7"D (393.7 x 381.0 x 400.0 mm)
Weight72.5 lbs (32.9 kg)40.6 lbs (18.4 kg)
Warranty55/2
Cabinet Colorblackblack, white
CountryUnited StatesUnited States
Measurement SourceManufacturerAudioholics
Amplifier Power500W RMS400W RMS
Frequency Response17-20Hz21-200Hz
Drivers10" (254mm) driver10" (254mm) driver
InputsXLR, RCA, XLR passthrough out-
XLR InputYes-
RCA InputYes-
TRS InputNo-
Optical InputNo-
Coaxial InputNo-
USB InputNo-
HDMI InputNo-
AES InputNo-
Aux InputNo-
Buy the RSL (Rogersound Labs) Speedwoofer 10S MKII at RSL (Rogersound Labs) ($499) →Buy the Monoprice Monolith M-10 V2 at Amazon ($753.97) →

More worthwhile head-to-heads for RSL (Rogersound Labs) Speedwoofer 10S MKII:

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 Monolith M-10 V2: $753.97 Amazon eBay

Monoprice Monolith M-10 V2 ranking card

Pros: 10-inch THX-certified ported with 500W RMS reaches 17-20Hz. HDF cabinet eliminates resonance-induced coloration. Extended EQ and THX EQ modes for flexibility. Low distortion output. Best for rooms under 2500 cubic feet. Exceptional budget value at $754.

Notes: Product # 42843

Full Monoprice Monolith M-10 V2 review and specifications →

AES InputNo
Amplifier Power500W RMS
Aux InputNo
CEA-2010-A Average (40-80Hz)110.3 dB
Cabinet Colorblack
Coaxial InputNo
CountryUnited States
Dimensions20.9"H x 15"W x 18.9"D (530.9 x 381.0 x 480.1 mm)
Drivers10" (254mm) driver
Enclosureported, front
Frequency Response17-20Hz
HDMI InputNo
InputsXLR, RCA, XLR passthrough out
Measurement SourceManufacturer
Optical InputNo
Output SPL at 15 Hz93.9 dB
Output SPL at 20 Hz104.8 dB
Output SPL at 25 Hz108.5 dB
Output SPL at 31.5 Hz109.3 dB
Output SPL at 40 Hz109.7 dB
Output SPL at 50 Hz110.1 dB
Output SPL at 63 Hz110.6 dB
Output SPL at 80 Hz110.9 dB
Output SPL at 100 Hz111.2 dB
Output SPL at 125 Hz111.5 dB
RCA InputYes
TRS InputNo
USB InputNo
Warranty5
Weight72.5 lbs (32.9 kg)
XLR InputYes
Check current price at Amazon ($753.97) →Search eBay for Monoprice Monolith M-10 V2 →

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 →