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

Last updated: August 9, 2026

Short answer: the RSL (Rogersound Labs) Speedwoofer 10S MKII. It ranks #66 of 137 subwoofers at $450; the Monoprice Monolith M-10 V2 ranks #88 and costs $792.77, so there is not much of a tradeoff to weigh.

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 Monoprice Monolith M-10 V2 if the price matters more than the ranking. Buy the RSL (Rogersound Labs) Speedwoofer 10S MKII if the ranking matters more than the price.

Specifications Side By Side

Monoprice Monolith M-10 V2 RSL (Rogersound Labs) Speedwoofer 10S MKII
Price$792.77$450
Ranked#88 of 137 in Medium Powered Home Subwoofers (30-75 lbs)#66 of 137 in Medium Powered 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 15.0"W x 18.9"D (530.9 x 381.0 x 480.1 mm)15.5"H x 15.0"W x 15.75"D (393.7 x 381.0 x 400.0 mm)
Weight72.5 lbs / 32.9 kg40.6 lbs / 18.4 kg
Warranty5?
Cabinet Colorblackblack, white
CountryUnited StatesUnited States
Measurement SourceManufacturerAudioholics
Power Output (Watts)500W RMS400W RMS
Frequency Response17-20Hz21-200Hz
Drivers10" (254mm) driver10" (254mm) driver

The Two Speakers In Full

Monoprice Monolith M-10 V2: $792.77 Amazon

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 $649.

Notes: Product # 42843

CEA-2010-A Average (40-80Hz)110.3 dB
Cabinet Colorblack
CountryUnited States
Dimensions20.9"H x 15.0"W x 18.9"D (530.9 x 381.0 x 480.1 mm)
Drivers10" (254mm) driver
Enclosureported, front
Frequency Response17-20Hz
Measurement SourceManufacturer
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
Power Output (Watts)500W RMS
Warranty5
Weight72.5 lbs / 32.9 kg

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

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 $449 price. Wireless receiver built-in.

CEA-2010-A Average (40-80Hz)112.1 dB
Cabinet Colorblack, white
CountryUnited States
Dimensions15.5"H x 15.0"W x 15.75"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
Power Output (Watts)400W RMS
Warranty?
Weight40.6 lbs / 18.4 kg

As an Amazon Associate I earn from qualifying purchases.

Product prices and availability were last checked August 9, 2026 at 6:57 AM UTC 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.