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Preview: Monoprice Monolith Dual Driver THX Ultra M-210 and M-212 Subwoofers

Does your movie watching experience suffer from a lack of low end impact? The Monoprice Monolith Dual Driver Subwoofers might change all that.

Monoprice Monolith M-210 and M-212 THX Subwoofers

Following its five recently released THX Certified Subwoofers, Monoprice has announced the addition of two more models, the M-210 and M-212. What makes these subwoofers different is that instead of one driver, each sub packs in two drivers. This provides home theater fans with powerful bass without taking up a lot of floor space as the two drivers are stacked within the enclosure.

The new Monoprice Monolith dual driver subwoofers are offered in 10-inch and 12-inch sizes. Let’s take a look at what they offer (in addition to the dual drivers). 

What Both Subwoofers Have in Common

THX Ultra Certification: This means that these subwoofers have been submitted and passed THX standards for application and performance.  The M-210 and M212 have both been certified THX Ultra which means they are optimized for use in rooms of up to 3,000 cubic feet in volume. 

THX Certification Process

Lots of Power Output: 1,000-watt (RMS)/1,800-watt (Peak) using a Claridy DSP1000 Class D amplifier with DSP (Digital Signal Processing)

Driver Design: Each subwoofer has two recently developed high-excursion drivers capable of handling the above-mentioned power output without distortion. 

Flexible Port Design: The port on each subwoofer can be used in an open or sealed setup. 

Monolith M-210 Dual Driver THX Subwoofer

Monoprice Monolith M-210 THX Subwoofer Front Back
Monoprice Monolith M-210

Product Number: 38545

Driver Number and Size: 2 x 10-inches. 

Driver Material:  2 layer long fiber pulp/glass fiber cone x 2

Voice Coil: 60mm, with high-temperature aluminum wire and black anodized aluminum bobbin construction.

Magnet: 144 oz ( 2 x 72 oz)

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Enclosure: High-Density Fiberboard (HDF) that is horizontally and vertically braced. 1 slot-style front-mounted port is provided that can be used open or sealed. 

Frequency Response (-6db) with Extended EQ Operation

  • Sealed Port: Not Recommended
  • Vented Port: 16-200 Hz

Frequency Response (-6db) with THX EQ Operation

  • Sealed Port: 20 – 200 Hz
  • Vented Port: Not Recommended

Harmonic Distortion: Less than 3% from 20-100 Hz (90dB @ 1m reference point)

Variable Level Control: +15/‑20 dB

Crossover Control: Inline/Bypass variable from 40 to 160 Hz.

Phase Control: 0 to 180 degrees variable (used to match the in/out motion of the subwoofer driver to the rest of the speakers in your system).

Inputs: 2 RCA, 1 XLR

Outputs: 1 XLR

Signal Turn On: Selectable always on or Auto-Detect.

Auto Turn Off Time: 30 minutes

Dimensions: 23.6″ x 17.7″ x 36.4″ (600 x 450 x 925 mm)

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Weight:  162.0 lbs. (66.5 kg)

Finish: Black Ash

Monolith M-212 Dual Driver THX Subwoofer

Monoprice Monolith M-212 THX Subwoofer

Product Number: 38544

Driver Number and Size: 2  x 12-inches

Driver Material:  2-layer long fiber pulp/glass fiber cone x 2

Voice Coil: 60mm x 2, with high-temperature aluminum wire and black anodized aluminum bobbin construction.

Magnet: 144 oz total (2 x 72 oz)

Enclosure: The enclosure is made of High-Density Fiberboard (HDF) that is horizontally and vertically braced. The port that is provided can be used open or sealed. 

Frequency Response (-6db) with Extended EQ Operation

  • Sealed Ports: Not Recommended
  • Vented Ports: 16-200Hz

Frequency Response (-6db) with THX EQ Operation

  • Sealed Ports: 20-200Hz
  • Vented Ports: Not Recommended

Harmonic Distortion: Less than 3% from 20-100 Hz (90dB @ 1m reference point)

Variable Level Control: +15/‑20 dB

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Crossover Control: Inline/Bypass variable from 40 to 160 Hz

Phase Control: 0 to 180 degrees variable (used to match the in/out motion of the subwoofer driver to the rest of the speakers in your system).

Inputs: 2 RCA, 1 XLR

Outputs: 1 XLR

Signal Turn On: Selectable always on or Auto-Detect.

Auto Turn Off Time: 30 minutes

Dimensions: 36.4″ x 17.7″ x 23.6″ (925 x 450 x 600 mm)

Weight:  174.2 lbs. (79.0 kg)

Finish: Black Ash

Monoprice Monolith M-210 THX Subwoofer Exploded
Monoprice Monolith M-210

Price & Availability

The M-210 Dual 10-inch Driver Monoprice Monolith THX Ultra Certified Subwoofer (Product Number 38545) is available for $1,299.99 at Monoprice.com.

The M-212 Dual 12-inch Driver Monoprice Monolith THX Ultra Certified Subwoofer (Product Number 38544) is available for $1,799.99 at Monoprice.com

Also, check out our other recent Monoprice Monolith Subwoofer and Speaker Reports:

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Monoprice Shakes Things Up With Two New Massive THX Subwoofers

Monoprice Monolith THX Subwoofers Shake The Foundation

Affordable Subwoofer Shootout

Monoprice Monolith Encore Home Theater Speakers Are Very Affordable

Bonus: Subwoofer Setup Tips and Tricks

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