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MJ Acoustics Reference 800 MkII Subwoofer - Black Ash


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Condition: Brand new in original retail packaging

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Shape Square
Warranty length 2 Years (3 Years on registration)
Colour Black Ash
Brand MJ Acoustics

Tech Specs

- Amp: 600W Discrete High Current MOSFET
- Speaker/Line in, Gain Control: 99dB
- Speakon type connector (High level 100kO)
- Unbal RCA (phono) Gold Plated (Low 10kO)
- Balanced XLR Input and loop out
- Twin Sophisticated Crossover Circuits
- Variable increments between 20Hz-120Hz
- LFE Bypass setting
- Phase Control: infinitely adj between 0-180º
- Freq response: 10Hz - 200Hz D.I.P
- D.A.M.P. (MicroProcessor 2nd gen)
- Structure, vol, config: inert 30mm MDF
- Dig display + power meter + freq setting
- Remote Control: 4 memory pre-sets
- Switched fused IEC mains input socket
- Driver: 18” Ultra Long-throw Radial
- Heavy Duty cast Radial Alloy chassis
- High intensity Magnet + Triple suspension
- Warranty: UK 3 year manufacturers
- Dimensions (WHD): 520 x 520 x 558mm
- Weight 56kg (123.48lbs)

Product Description

MJ Acoustics Reference 800 MKII has been created for listeners who demand a highly capable large subwoofer in a compact form, for a demanding AV system. There is only one subwoofer that fits the bill, the breathtaking Reference 800 Mk II active sub bass system.


This subwoofer is built around a huge ultra long-throw cast alloy radial sub-bass driver (460mm), that has super-rigid construction, beautiful finish, and attention to the finest and smallest detail, ensures the Reference 800 MkII delivers solid low frequency sound, without the dreaded overhang, right down to a stomach churning 10Hz.


To guarantee the ultimate in sub-bass response, MJ acoustics combine modern state-of-the-art electronics with a tuned hand-built sealed enclosure. The Reference 800 Mark 2 handles frequency components with power and depth, for even the most demanding film soundtracks, but is also responsive enough to be fast, subtle, and accurate when reproducing high fidelity music listening. It's just like being there!

Easy Control

Reference 800 MkII has the power and dexterity to perform in even the largest of domestic AV home theatre systems. Controlling the 800 Mark 2 is very simple thanks to the digital display, which allows you to control and display your settings. With a 460mm ultra long-throw super-rigid cast alloy radial sub-bass driver, the Reference 800 MkII outputs serious SPL with Audiophile grip and control.

Highly Capable

The Reference 800 MkII is highly capable, which has the capacity to handle the most demanding of film soundtracks, and highly detailed complex bass lines. The subwoofer also comes supplied with an out-of-sight remote control, and a remote eye receiver that facilitates the simple changing of the 4 user-presets. All of the Reference 800 MKII subwoofers are created to your special order, so you can be assured that each has been constructed with MJ Acoustics special attention to detail.


This subwoofer comes with a re-designed integrated amp, twin crossovers, a huge 600w of power, a large 18” driver; all within a compact cabinet, measuring just 520mm cubed. It has been designed to blend with a range of speakers from mid-sized satellites, to high- end floorstanders, the Reference 800 have an output down to as low as 10hz and a -3db rating at 19Hz, in room it is obvious that it is extending the lower octaves in your sound stage.


This is a reference class piece of audio engineering that will complement the most astute home theatre and music system! The amplifier in this subwoofer has 600 watt of power, from the MOSFET amplifier, that has an ultra long-throw thanks to the highly rigid 18” sub-bass driver with a rugged design and finish. The finish of the Reference 800 MkII is a beautiful furniture grade real wood veneer, which has been attended to the with the finest and smallest attention to detail. The Reference 800 MkII delivers power, right down to the bottom of the audible spectrum, a stomach churning 10Hz, so you will certainly feel the Reference 800 MkII, as well as hearing it.

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