Website author headshot
Cameron Oatley
ExtremeHiFi
Website author headshot
Julian Shapiro
ExtremeHiFi

Note that this is a discontinued product. You may want to visit the brand's page here to browse their newer products.

What reviewers think

Bloggers and YouTubers have tried this product—so we've summarized their strongest opinions below. Links to full reviews follow.

What are hifi reviews useful for? (1) Identifying products you should demo in person at a dealer. (2) Learning which products reviewers unanimously praise as the best they've heard (this means they probably are legitimately great). (3) Identifying a product's attributes that satisfy your idiosyncratic needs and tastes. Beyond that, we often discount what reviewers say because they heap praise on most products—and are often apprehensive about publishing strong criticism or comparisons between products. Further, they seldom have more than a few products on-hand, often relying on their memories to compare past products. Always listen for yourself.

Manufacturer details

  • Amplifier: 250-Watt Class A/B Mosfet
  • Frequency Response: 10 Hz – 200Hz
  • Crossover Range: 20 Hz – 120Hz With (200Hz Bypass)
  • Driver: 10 Inch (250 mm) Ultra Long Throw Heavy Duty Steel Basket Dual high intensity full saturation magnets Extended pole piece
  • Port: 100mm Diameter with tuned loading
  • Input Connectors: High level: Neutrik speakON, Low Level: 2 x RCA (24 Karat Gold Plated), LFE: 1 x RCA (24 Karat Gold Plated), LFE / Centre: 1 x RCA (24 Karat Gold Plated)
  • Gain Control: -99 – 0 dB
  • Phase Control: 0 – 180° with 1° Increments
  • Remote Control: Smart Remote App (IOS / Android), RM1 and Eye Kit (Sold Separately)
  • Electronics: D.I.P. (Dynamic Intelligent Protection), D.A.M.P. (Digitally accurate Mirco-Processor), 3rd Gen Digital Display with Output Meter, 12-Volt Trigger Input, Auto On / Off Circuit (with sensitivity adjustments)
  • Cabinet: 18 / 25mm Acoustically Inert Veneer Balanced MDF
  • Dimensions: 320 x 538 x 420 mm (W x H x D)
  • Weight: 22 Kg
  • Finish: Black Ash (Standard), Light Oak (Standard), American Black Walnut (Standard), Cherry (Standard), Custom Veneer (Additional Cost), Custom Paint (Additional Cost)
The MJ Acoustics Tremor is a powerful combination of compact design and seismic performance. This subwoofer delivers deep, resonant bass that will elevate your audio experience without dominating your living space.
Manufacturer Site

Brand highlights

Taking a step back to look at reviewers' thoughts of the brand's entire lineup—not just this product—what stands out most is the following:

Pro50 MK4

  • Positioning: Entry-level compact subwoofer designed for affordability and ease of use.
  • Description: Features plug-and-play functionality with pre-configured settings and full app control via the SR+ App, making it the most user-friendly option in the lineup. While it shares the same 10-inch driver size as the Reference models, it has a smaller 150W amplifier and more compact 280mm cube cabinet compared to the taller Reference 1 MK4's 815mm height and larger internal volume.

Reference 200

  • Positioning: Compact mid-range subwoofer balancing performance with space efficiency.
  • Description: Uses a sealed cabinet design with downward-firing configuration, offering tighter bass response than the ported Reference 1 MK4. Its 200W amplifier provides less power than the Reference 1 MK4's 250W, but the sealed design delivers more controlled bass.

Reference 1 MK4

  • Positioning: Mid-to-high-end tower subwoofer offering premium features and substantial output.
  • Description: Stands out with its elegant tower design featuring a 10mm thick glass top and chrome fittings, plus a vortex loaded port system for enhanced low-frequency extension. Its 250W amplifier and larger cabinet volume deliver greater output capability than the Reference 200's sealed design.

Seismic

  • Positioning: Home theatre-focused subwoofer designed for maximum impact and special effects.
  • Description: Features a larger 12-inch driver compared to the 10-inch drivers in other models, specifically engineered for movie soundtracks and LFE channels. While it shares the same 200W amplifier as the Reference 200, its larger driver and cabinet provide greater air displacement for more visceral bass impact.

Windsor

  • Positioning: Flagship Master Class subwoofer representing the pinnacle of the lineup.
  • Description: Employs dual 12-inch ultra-long-throw drivers powered by a massive 750W amplifier (dual 375W amplifiers), delivering unmatched output capability across the entire range. Its advanced features include closed-loop independent toroidal power supplies and output-matched driver pairing, technologies not found in lower models, making it suitable for the largest rooms and most demanding applications where the single-driver models would reach their limits.
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Avg. Product Price
$2,501-$5,000
Used For Sale
0
 Available (Scroll Down)
Brand Popularity
856
 of 900+
Badges
Top 50 Brand
Top 250 Brand
Products Listed
17
Founding Year
1998

Our take on the brand

MJ Acoustics is a British subwoofer manufacturer that rejects DSP in favor of dual-filter analog topology with precise 1 Hz crossover steps and 1° phase increments, while designing and manufacturing all drivers in-house in the UK. The brand emphasizes electro-mechanical efficiency through low-mass, long-throw custom drivers paired with lower-power linear amplifiers rather than high-wattage Class-D designs, and offers independent HI/LO and LFE/CEN inputs that allow a single sub to serve both 2-channel and home theater systems simultaneously.

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Our interview with the brand

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