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# MJ Acoustics

Premium UK Made Subwoofers

## Sitemaps

- [XML Sitemap](https://mjacoustics.co.uk/sitemap.xml): Contains all public & indexable URLs for this website.

## Posts

- [MJA is Unique](https://mjacoustics.co.uk/mja-is-unique/) - MJ Acoustics was created to pursue an ideal, namely the reproduction of the most natural sounding, true-to-life bass possible. The key member of the team, John Jefferis, founder, and designer, brings with him a wealth of knowledge gained from extensive experience in Acoustic Sound Engineering, Electronics, Computing and Cabinet-Making industries. It is this rare combination
- [Drivers](https://mjacoustics.co.uk/drivers/) - Many subwoofer manufacturers start with the driver — someone else's driver not one specially designed for their application — a so-called OEM design which is basically off the shelf — they consider it theirs and continue from there. That approach has never been an option at MJ. Our Advanced Electro-Mechanical designs require a driver specifically
- [Quality will be remembered long after the price](https://mjacoustics.co.uk/quality-will-be-remembered-long-after-the-price-is-forgotten/) - Master-Class are designed for maximum performance with both audiophile and home cinema systems. To ensure this optimisation with home cinema use, we offer a "straight-through" facility with the crossover setting at 200Hz. This is considered as a bypass at line level, allowing the user to set the DAMP 3rd Gen Active Bass Crossover for their 2-channel
- [Setup my Sub-Bass System](https://mjacoustics.co.uk/setup-my-sub-bass-system/) - SETUP PROCEDURE Set Up for Audiophile Augmentation - Single Sub-Bass System ­ An MJ is not a traditional subwoofer, but a true Sub-Bass System. An MJ Subwoofer is designed to augment the performance of “full range” speakers in order to provide an extended response in the lower octaves. If you are not an existing MJ
- [BASS-Inter-Connect](https://mjacoustics.co.uk/bass-inter-connect/) - The BASS-IC Cable Series has been a long time in development. An all-new subwoofer interconnect with very special properties designed and manufactured here in our UK factory. At MJ Acoustics our cables are hand built for hi-fi purists, to the highest standard using the finest quality materials available to us. Cables should never be seen to be an accessory
- [Technology - The MJ Ethos](https://mjacoustics.co.uk/technology-the-mj-ethos/) - We’re often asked, “What makes an MJ Subwoofer so special?” The answer is not simple to explain in just a few words so allow us to peel back the MJ covers and reveal a little of what makes MJ Subwoofers like no other. Knowing your manufacturer is important and we start by drawing your attention
- [XLR or RCA – which is better?](https://mjacoustics.co.uk/xlr-or-rca-which-is-better/) - It’s very easy to assume that if your equipment has both XLR and RCA connections, that XLR connections are going to offer the better sounding audio result. This is not always the case and depends on a number of factors. The XLR connection carries a balanced signal. The "hot" pin carries the signal, the "cold" pin also carries the signal but
- [Turn Off Bass Management](https://mjacoustics.co.uk/turn-off-bass-management/) - Bass Management Turn it OFF!! This article aims to clarify some of the issues surrounding the use of Bass Management (or bass redirection as it's sometimes known). This applies to all AV systems and should be considered as guidance when making installation decisions. Some people advocate that differences in professional and domestic audio requirements dictate
- [Phase? Why? How?](https://mjacoustics.co.uk/phase-why-how/) - Phase? - how do I get this set for my system: The ideal room size ratio can be represented by a 4m x 6m room in general terms, which is the easiest room size to configure. Scaled-up sizes in the same ratios also make for relatively easy setup and integration producing superb results. Generally speaking
- [INs and OUTs of Bass Delivery](https://mjacoustics.co.uk/ins-and-outs-of-bass-delivery/) - In his own words, John Jefferis explains the INs and OUTs of Bass Delivery MJ Style "First and foremost, MJ Acoustics is an audiophile Company. We take great pride in designing and building products with exceptional performance. Because of our total commitment to performance, we more often than not, adopt unusual solutions to otherwise straightforward
- [All subwoofers are the same aren't they?](https://mjacoustics.co.uk/all-subwoofers-are-the-same-arent-they/) - All products of a type are the same, aren't they?..... John Jefferis our Founder talks about his life's journey to achieving the ultimate in bass augmentation and why MJ subwoofers are uniquely able to provide the audiophile integration that eludes our competitors. Throughout my life, especially as a small boy, I always imagined it is possible to

## Pages

- [MJ Acoustics - Home](https://mjacoustics.co.uk/) - WHEN IT'S RIGHT, IT JUST SOUNDS REAL THE BUCKINGHAM Launching at the Florida International Audio Expo Feb 20 - 22, 2026 in Tampa Florida Welcome to MJ Acoustics - Active Subwoofer Manufacturer At MJ Acoustics, our unwavering pursuit of audio perfection has led to the creation of subwoofers that redefine the boundaries of low-frequency reproduction.
- [Packaging Sustainability](https://mjacoustics.co.uk/packaging-sustainability/) - Packaging Compliance & Sustainability MJ Acoustics designs its packaging to provide maximum protection during transport while minimising unnecessary packaging. Packaging materials have been selected to maximise recyclability where practical. WisbechPE13 2XQUnited Kingdomwww.mjacoustics.co.uk
- [Buckingham](https://mjacoustics.co.uk/buckingham/) - BUCKINGHAM Introducing the MJ Acoustics BuckinghamPower With Absolute ControlThe Buckingham is the most ambitious subwoofer we have ever built. Designed without compromise, it exists for one purpose: to reproduce the lowest octave with complete realism, scale and authority.At its heart are two 15-inch drivers, controlled by four fully independent Class A/B power amplifiers, delivering 1,250
- [SR Plus](https://mjacoustics.co.uk/sr-plus/) - DOWNLOAD THE APP UNLEASH THE FULL POTENTIAL OF YOUR MJ SUBWOOFER WITH THE SMART REMOTE PLUS APP Experience the future of audio control with the groundbreaking MJ Acoustics SR+ App, meticulously designed for our latest generation of "Reference" and "Master-Class" series subwoofers equipped with the advanced SR+ feature. This isn't just an app, it's your command
- [Windsor](https://mjacoustics.co.uk/windsor/) - WINDSOR Introducing the MJ Acoustics Windsor Unleash Seismic Sound Experience bass like never before. The MJ Acoustics Windsor is not just a subwoofer; it's a tectonic shift in audio performance. Powered by dual 12-inch, ultra-long-throw drivers and a colossal 750-watt amplifier, this behemoth delivers earth-shaking low frequencies with precision and control. Feel the power. With
- [Kensington](https://mjacoustics.co.uk/kensington/) - KENSINGTON Master Class Audio in a Compact Package. Introducing the MJ Acoustics Kensington Powerhouse Performance with Petite Footprint. Don't let its compact size fool you. The Kensington packs a sonic punch that defies its dimensions. Equipped with twin 10-inch ultra-long-throw drivers and a potent 550-watt amplifier, this subwoofer delivers deep, articulate bass that will shake
- [Henley](https://mjacoustics.co.uk/henley/) - HENLEY Introducing the MJ Acoustics Henley Big Bass, Small Footprint. Don't be deceived by its compact size; the Henley packs a sonic punch far beyond its dimensions. This powerhouse subwoofer delivers deep, resonant bass that will shake your room without overwhelming it. Engineered with MJ Acoustics' renowned precision, the Henley boasts a single 12-inch ultra-long-throw
- [ASCOT](https://mjacoustics.co.uk/ascot/) - ASCOT Introducing Ascot a Master-Class Subwoofer The beating heart of your Audio System. Compact yet incredibly powerful, the Ascot delivers astonishing bass performance without sacrificing space. Equipped with a single 10-inch ultra-long-throw driver and a dedicated 200-watt amplifier, this subwoofer punches far above its weight. Experience the precision of MJ Acoustics engineering. The Ascot boasts advanced MOSFET
- [MASTER CLASS Series-LIST](https://mjacoustics.co.uk/master-class-series-list/) - MJ Acoustics Master Class: The Pinnacle of Audio Perfection Experience Audio Nirvana. The MJ Acoustics Master Class series isn't just a subwoofer; it's a masterpiece of engineering and craftsmanship. Each unit is a testament to the relentless pursuit of audio perfection, hand-built by skilled artisans who pour their passion into every component. Uncompromising Build Quality.
- [Reference 210](https://mjacoustics.co.uk/reference-210-2/) - Reference 210 MJ Acoustics Reference 210: Precision and Power in Perfect Harmony Discover a New Dimension of Sound. The MJ Acoustics Reference 210 is a testament to audio engineering excellence. This compact powerhouse delivers a profound and immersive bass experience, without compromising on precision or control. Crafted with meticulous attention to detail, the Reference 210
- [Reference 1 Mk4](https://mjacoustics.co.uk/reference-series-list/reference-1-mk4/) - Reference 1 mk 4 MJ Acoustics Reference 1: Elevate Your Audio Experience Introducing the MJ Acoustics Reference 1: A Symphony of Sound. The MJ Acoustics Reference 1 is not merely a subwoofer; it's a meticulously crafted audio masterpiece. This towering pillar of sound delivers unparalleled bass performance, combining power, precision, and elegance in a single,
- [Reference 400](https://mjacoustics.co.uk/reference-400/) - Reference 400 MJ Acoustics Reference 400: Precision Bass, Uncompromised Power Experience Bass Redefined. The MJ Acoustics Reference 400 is a testament to audio excellence. This compact powerhouse delivers deep, resonant bass without sacrificing precision or control. Engineered with MJ Acoustics' renowned expertise, the Reference 400 boasts a powerful 250-watt amplifier and a 12-inch ultra-long-throw driver,
- [Reference 200](https://mjacoustics.co.uk/reference-200/) - Reference 200 MJ Acoustics Reference 200: The Compact Powerhouse Discover the Essence of Sound. The MJ Acoustics Reference 200 is a testament to the perfect blend of size, power, and precision. This compact subwoofer delivers astonishing bass performance without compromising on audio quality. Engineered with MJ Acoustics' renowned expertise, the Reference 200 boasts a powerful
- [Pro50-MK4](https://mjacoustics.co.uk/pro50-mk4/) - ITS HERE - THE FINAL EDIT PRO 50 MK-4 A NECESSITY - NOT A LUXURY In 2000, the PRO 50 set the standard. Twenty Five years later, we present the PRO 50 MK-4: the future of BASS. In 2000 ... the original PRO 50 set the benchmarkfor compact subwoofer excellence. Now, twenty-five years later, we
- [Find A Dealer](https://mjacoustics.co.uk/find-a-dealer/) - FIND A DEALER We are dedicated to providing you with the highest quality subwoofers, and we want to ensure you receive the best service and support through our trusted network of dealers. Our dealers are carefully selected for their expertise and commitment to delivering exceptional audio experiences.Finding a dealer near you is easy. Simply fill
- [SEISMIC](https://mjacoustics.co.uk/seismic/) - SEISMIC MJ Acoustics Seismic: Unleash the Power of Bass Experience seismic sound with the MJ Acoustics Seismic. This is no ordinary subwoofer; it's a meticulously engineered powerhouse designed to deliver earth-shattering bass without compromise. At the heart of the Seismic is a potent 200-watt discrete high-current MOSFET amplifier, ensuring ample power to drive the massive 12-inch ultra
- [Contact](https://mjacoustics.co.uk/contact/) - Contact Us We'd love to hear from you! Whether you have questions, feedback, or need assistance with our products, our team is here to help. To get in touch, please fill out the Contact Us form below with your information and a detailed message.We understand the importance of timely responses and aim to get back
- [Product Registration](https://mjacoustics.co.uk/product-registration/) - Product Registration We are delighted that you've chosen an MJ Acoustics subwoofer to enhance your audio experience. Registering your product is quick and easy, and it ensures you receive the best support and service from our team. By registering, you'll unlock exclusive benefits including:Warranty Protection: Ensure your subwoofer is covered by our comprehensive warranty for
- [Product Registration Success](https://mjacoustics.co.uk/product-registration-success/) - Thank You!Your Product registration information has been received.
- [Find A Dealer Success](https://mjacoustics.co.uk/find-a-dealer-success/) - Thank You!Your enquiry has been received - we will be in touch soon with details of dealers in your area.
- [Contact Success](https://mjacoustics.co.uk/contact-success/) - Thank You!Your enquiry has been received.
- [TREMOR](https://mjacoustics.co.uk/tremor/) - TREMOR MJ Acoustics Tremor: Seismic Sound, Compact Design Experience Bass Like Never Before. 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. Equipped with a 250-watt amplifier and a 10-inch ultra-long-throw driver, the
- [IMPACT](https://mjacoustics.co.uk/impact-for-home-theatre/) - IMPACT MJ Acoustics Impact: Seismic Sound, Unmatched Power Experience Bass Like Never Before. The MJ Acoustics Impact is a relentless force of nature, delivering earth-shaking bass that will transform your home into a cinematic powerhouse. Equipped with dual 10-inch ultra-long-throw drivers and twinned 550-watt amplifiers, the Impact unleashes a tidal wave of low-frequency energy that
- [SMART REMOTE](https://mjacoustics.co.uk/smart-remote/) - SMART REMOTE Software DownloadPlease click on the link to download the Smart Remote Instruction manual as a PDF file.The SMART REMOTE Application is live on the Google Play Store and the Apple App Store. It is free to download and installs directly from the Play Store on an Android device. The application has been designed to work equally well with Smart Phones of
- [Furniture Grade Finishes](https://mjacoustics.co.uk/subwoofers/furniture-grade-finishes/) - Subwoofer Finishes At MJ Acoustics, we believe that superior sound should be complemented by exquisite design. Our subwoofers are crafted not only for optimal performance but also to enhance the aesthetic of any space. Discover our range of premium finishes, designed to seamlessly integrate with your home or studio environment.Bespoke Veneers: Choose from a variety of
- [Product Manuals](https://mjacoustics.co.uk/product-manuals/) - Manuals We understand the importance of having easy access to detailed product information and user guides. Our product manuals provide comprehensive instructions on setting up, operating, and maintaining your MJ Acoustics subwoofer to ensure you get the best performance and longevity from your investment.Click view to download the manual for your specific product. Our manuals include
- [Cookies Policy](https://mjacoustics.co.uk/cookies-policy/) - Cookies Policy We may obtain information about your general internet usage by using a cookie file which is stored on the hard drive of your computer. Cookies contain information that is transferred to your computer’s hard drive. They help us to improve our website and to deliver a better and more personalised service. These allow
- [SLIMPACT-10](https://mjacoustics.co.uk/slimpact-10/) - SLIMPACT MJ Acoustics SLIMPACT-10: Big Bass, Small Footprint Introducing the MJ Acoustics SLIMPACT-10: a compact powerhouse that defies expectations. This sleek and stylish subwoofer delivers astonishing bass performance without sacrificing precious space. Packed with cutting-edge technology, the SLIMPACT-10 boasts a 150-watt MOSFET amplifier that drives a massive 10-inch ultra long-throw driver. This potent combination delivers
- [FAQs](https://mjacoustics.co.uk/faqs/) - Frequently Asked Questions Do I need to buy a subwoofer? What Makes An MJ Acoustics Subwoofer so Special? Which subwoofer model is best for my room size? Can I use more than one sub? Can I leave my sub switched on? Can I connect both the high & low-level inputs simultaneously? What is the “Phase”
- [Knowledge Bass](https://mjacoustics.co.uk/knowledge-bass/) - BASS Knowledge MJA is Unique MJ Acoustics was created to pursue an ideal, namely the reproduction of the most natural sounding, true-to-life bass possible. The key member of the team, John Jefferis, founder, and designer,… Read more Phase? Why? How? Phase? – how do I get this set for my system: The ideal room size
- [Privacy Policy](https://mjacoustics.co.uk/privacy-policy-2/) - Privacy Policy This Privacy Policy (together with our Terms and Conditions) sets out the basis on which any personal data we collect from you, or that you provide to us, will be processed by us. This policy applies to www.mjacoustics.co.uk and data we receive from you via this website or by any other means. MJ ACOUSTICS ensures
- [Innovation](https://mjacoustics.co.uk/innovation/) - Innovation
- [Reference 802-SR-FF](https://mjacoustics.co.uk/reference-802-sr-ff/) - Reference Radial 802 MJ Acoustics Reference 802 Precision and Power in Perfect Harmony Experience Bass Redefined. The MJ Acoustics Reference 802 is a testament to audio engineering excellence. This compact powerhouse delivers a profound and immersive bass experience, without compromising on precision or control. Crafted with meticulous attention to detail, the Reference 802 boasts a
- [Reference 800Mk2-SR-FF](https://mjacoustics.co.uk/reference-800mk2-sr-ff/) - Reference Radial 800 MJ Acoustics Reference 800 The Pinnacle of Bass Performance Experience a seismic shift in your audio world with the MJ Acoustics Reference 800. This isn't just a subwoofer; it's a meticulously engineered powerhouse designed to deliver earth-shattering bass without compromising clarity or control. Crafted with precision and passion, the Reference 800 boasts
- [Reference 805-SR-FF](https://mjacoustics.co.uk/reference-805-sr-ff/) - Reference Radial 805 MJ Acoustics Reference 805: Unleash Seismic Sound Experience Audio Perfection. The MJ Acoustics Reference 805 is not merely a subwoofer; it's a seismic force of nature. This powerhouse delivers earth-shaking bass that will redefine your perception of low-frequency performance. Engineered with unparalleled precision, the Reference 805 boasts a formidable 400-watt amplifier and
- [XENO SERIES SPEAKERS](https://mjacoustics.co.uk/xeno-series/) - MJ Acoustics XENO Series Speakers Dynamics and Audio Accuracy don't just present themselves to you. It comes as a result of design experience and skilful use of manufacturing techniques. Very difficult to achieve near Audiophile quality of sound with a price tag to make affordable to the many, but our design team have worked wonders. Perhaps harder is
- [MJ Acoustics Home Theatre Subwoofer Series](https://mjacoustics.co.uk/home-theatre-series-list/) - Discover unparalleled sub bass quality with the MJ Acoustics Home Theatre Subwoofer Series. MJ subwoofers deliver deep, powerful bass.
- [Reference Radial-List](https://mjacoustics.co.uk/reference-radial-list/) - The MJ Acoustics Reference Radial Series: A Seismic Shift in Sound Prepare to be captivated by the MJ Acoustics Reference Radial Series. This isn't just a subwoofer; it's a meticulously crafted audio masterpiece designed to redefine your listening experience. At the heart of this extraordinary subwoofer lies the groundbreaking Volt Radial driver. This revolutionary technology
- [Reference-Series-LIST](https://mjacoustics.co.uk/reference-series-list/) - Meet Our Reference Series MJ Acoustics Reference: The Foundation of Your Audio Experience A MJ Acoustics Reference series subwoofer is not just subwoofer; it’s the cornerstone of a truly immersive audio experience. Designed to seamlessly integrate with your existing speakers, this powerhouse series delivers the missing low-frequency foundation that elevates your music and movies to
- [Products](https://mjacoustics.co.uk/products-2/) - Reference Series Reference Radial Series Master Class Series PRO 50 MK4 Home Theatre Series Speakers Accessories
- [Products](https://mjacoustics.co.uk/products/)
- [Terms & Conditions for Trade Sales](https://mjacoustics.co.uk/terms-conditions-for-trade-sales/) - Terms & Conditions for Trade Sales THESE TERMS OF TRADING SUPERSEDE ALL PREVIOUS TERMS OF TRADING AND SHALL FORM THE BASIS OF ANY CONTRACT OF SALES ENTERED INTO BY MJ ACOUSTICS, AND OR ANY OF ITS SUBSIDIARY COMPANIES HEREAFTER REFERRED TO AS MJA 1. (a) Notwithstanding the passing of risk on delivery, the title

## Categories

- [Knowledge Bass](https://mjacoustics.co.uk/category/knowledge-bass/)