Monoprice Monolith M-10 V2 vs Monoprice SW-15

Last updated: September 20, 2026

Short answer: the Monoprice Monolith M-10 V2 for deep bass in a smaller box, the SW-15 for a large room. The M-10 V2 is a 10-inch THX-certified ported sub reaching 17-20Hz on 500W RMS, and it costs $378.98 more. The SW-15 is a 15-inch ported design with 600W RMS (800W peak) and a Large-room Bassaholic rating, though it is budget-tier with ported room gain dependency, a 30 kg (66.1 lbs) frame and limited dynamic headroom.

Monoprice Monolith M-10 V2 vs Monoprice SW-15

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

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

Buy the Monoprice SW-15. It is rated higher for sound quality than the Monoprice Monolith M-10 V2 and costs less, so the other one has nothing left to offer.

Looking for alternatives? See the complete Subwoofers rankings.

Specifications Side By Side

Monoprice Monolith M-10 V2 Monoprice SW-15
Price$753.97$374.99
Ranked#109 of 145 in Medium Home Subwoofers (30-75 lbs)#13 of 145 in Medium Home Subwoofers (30-75 lbs)
Enclosureported, frontported, bottom
Output SPL at 15 Hz93.9 dB90.0 dB
Output SPL at 20 Hz104.8 dB101.2 dB
Output SPL at 25 Hz108.5 dB106.3 dB
Output SPL at 31.5 Hz109.3 dB111.2 dB
Output SPL at 40 Hz109.7 dB116.0 dB
Output SPL at 50 Hz110.1 dB120.2 dB
Output SPL at 63 Hz110.6 dB120.5 dB
Output SPL at 80 Hz110.9 dB119.5 dB
Output SPL at 100 Hz111.2 dB-
Output SPL at 125 Hz111.5 dB-
CEA-2010-A Average (40-80Hz)110.3 dB119.0 dB
Dimensions20.9"H x 15"W x 18.9"D (530.9 x 381.0 x 480.1 mm)18.1"H x 21"W x 22.7"D (459.7 x 533.4 x 576.6 mm)
Weight72.5 lbs (32.9 kg)66.1 lbs (30.0 kg)
Warranty51
Cabinet Colorblackblack
CountryUnited StatesUnited States
Measurement SourceManufacturerAudioholics
Amplifier Power500W RMS600W RMS / 800W peak
Frequency Response17-20Hz30-150Hz (-10dB)
Drivers10" (254mm) driver15" (381mm) driver
InputsXLR, RCA, XLR passthrough outStereo line level and speaker level
XLR InputYes-
RCA InputYes-
TRS InputNo-
Optical InputNo-
Coaxial InputNo-
USB InputNo-
HDMI InputNo-
AES InputNo-
Aux InputNo-
Crossover Frequency-40-150Hz, 18dB/octave
Phase Control-0° or 180°

More worthwhile head-to-heads for Monoprice SW-15:

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

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

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

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)