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Over 14 Years of Award Winning history.

Reference 400 MkI active sub bass system
Finishes Available

Reference 400 MkI  in Walnut Finish.

A Master-Class piece of audio engineering!

The Reference 400 MkI has the muscle and flexibility to suit the largest of AV systems. Maximum controllability is available on the Reference 400 MkI and is simple to use via its digital displays confirming all your settings. With a 300mm Ultra Long-Throw sub bass driver, the Reference 400 MkI outputs serious SPL with Audiophile grip and control. The Reference 400 MkI is amazingly well equipped and ready for the most demanding movies and the most detailed bass lines. It even comes with a totally out-of-sight remote control and a remote eye receiver to make recalling one of the 4 user-presets an absolute breeze. Ask your local dealer for a demonstration today and experience the missing link to your system!

Designed from the ground up this subwoofer has it all. Twin crossovers, 250watts of power, newly developed 12” driver and all packed into a diminutive cabinet size of just 345mm cube. Engineered to integrate with speakers, from small satellites, to high end floor standers. With bass output down to 10hz and a -3db rating at 19hz in room it really extends the lower octaves in your sound stage. A Master Class piece of audio engineering to complement the most discerning cinema and music system! The 250 watt MOSFET amplifier feeds a very special ultra long-throw super-rigid 12” sub-bass driver of rugged design and finish. Add to this a beautiful furniture grade real wood veneer finish, and attention to the finest and smallest detail. The Reference 400 MkI delivers vast punch and solid slam – without the dreaded overhang – down to a gut-wrenching 10Hz.

Our unique combination of state-of-the-art electronics and tuned hand-built sealed cabinet, affords the user the ultimate in sub-bass control. Deep and powerful for movie sound-tracks, yet subtle, agile, fast musically accurate for the highest fidelity in music listening. It’s just like being there!

When subwoofers sound and look this good, there's no alternative. The best 100% British Subwoofers available.

Reference 400 MkI Specifications:

250watt MOSFET Amplifier
Speaker and Line Level inputs with Gain Control Range 99dB
Neutrik Speakon connector (High level 100k ohm)
Unbalanced RCA (phono) connectors (Gold Plated) (Low level 10k ohm)
Twin Sophisticated crossover circuits - variable increments between 20Hz and 120Hz
LFE Bypass setting (effective roll off set at 200hz)
12 volt trigger
Remote Control with ‘out-of-sight’ RM Eye and 4 user-presets
Phase Control infinitely adjustable between 0º and 180º * Frequency response 13hz to 200hz
D.I.P. (Dynamic Intelligent Protection)
D.A.M.P. (Digitally Accurate MicroProcessor 2nd generation)
Specially designed cabinet structure, volume, and configuration made from inert 18 & 25mm MDF
Digital Display with power output meter and frequency setting
Switched fused IEC mains input socket
300mm (12”) Ultra Long-throw Driver with Heavy Duty Chassis & Double Magnets
UK 3 year manufacturers return to base warranty
Dimensions (WxHxD ) 345mm x 385mm x 345mm * Weight 16.23kg (35.2 lbs)
finishes available, Black Ash, Cherry, Oak & Walnut. All Real Wood Veneers.


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