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Designed And Manufactured In The UK
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The Superb NEW XXLS400-DF Subwoofer 400W RMS 12" - From £493.20
Black Ash
Gloss Black
Gloss White
XXLS400-DF Red  
The XXLS400 recieves a 5 star best buy in the Home Cinema Choice please click Click Here XXLS400 Subwoofer Review
The XXLS400 recieves a Highly Recommended at AVForums Click Here XXLS400 Subwoofer Review
Light Oak
  XXLS400-DF Blue
Power Save
All XXLS400-FF Subwoofers are now fitted with an Auto-On function that will switch the subwoofer into standby when no signal has been detected for 15 minutes and will automatically switch on when a signal is received, This feature can be disabled if required
Why Choose the XXLS400-DF
Following on from the success of the XLS200 and because we have been asked many times for a more powerfull subwoofer but in a sealed enclosure, we have designed the XXLS400. The XXLS400 is an extremely high power yet compact subwoofer that can deliver very low bass at high volumes for the AV enthusiast, but with great timing and control for the Audiophile.

The latest XXLS400 is now fitted with a brand new speaker which is manufactured to an extremely high quality with a cast aluminium basket, double magnet vented pole piece, linear high stabilty suspension and a massiive 3" voice coil. Powered by our very own fully discrete Class A/B amplifier, with its feature packed 400W RMS amplifier incorporating all the inputs and controls needed to tailor the sub woofer to seamlessly fit into your existing system.

System Type: Active System with Variable Freq bass filter and 50 Litre Sealed Enclosure

Frequency Response at -3dB:

In your front room -3dB lower than 20Hz !!!

Amplifier Input / Output Impedance: High Level 100K - Low Level 10K
Gain Control Range: 60dB
Drive Unit Impedance: 4 Ohm
Mains Input: 230V / 50Hz
Dimensions: 400D x 460H x 400W
Weight: 27.7kg
Finishes: Black Semi Gloss, Silver Semi Gloss, Light Oak Veneer and Cherry Veneer
  • 2 years warranty
  • True 400W continuous discrete Bipolar amplifier
  • Truly hand built in Great Britain, when we claim hand built we mean hand built, as there are no SMD components or other automatic placement devices.
  • Downward Firing 300mm (12") long throw heavy duty speaker with Linear high stability suspension and 3" voice coils
  • Continuously variable frequency control
  • Audiophile grade toroidal transformers
  • Gas Tight Neutrik connection for long term consistency of sound quality
  • Separate controls for high and low-level input adjustment
  • Simultaneous connection of high and low level sources
  • ASP automatic speaker protection audibly transparent driver protection
  • 4 x 16A output devices for effortless current control
  • IEC Power Socket

Adobe   Click here for the user manual


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XXLS400-DF Only £493.20 Black Ash

XXLS400-DFOnly £493.20 Silver


XXLS400-DF Only £493.20 White

XXLS400-DF Only £493.20 Black


XXLS400-DF Only £493.20 Light Oak


XXLS400-DFOnly £550.95 Cherry

XXLS400-DF Only £577.20 Gloss Black


XXLS400-DF Only £550.95 Walnut


XXLS400-DF Only £550.95 Mahogany

XXLS400-DF Only £577.20 Gloss White

  XXLS400-DF Red

XXLS400-DF Only £493.20 Red

  XXLS400-DF Blue

XXLS400-DF Only £493.20 Blue


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UK Mainland Only

Optional Extra
To Order a 5, 10 or 15M High Level Lead Click HERE
International Orders

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For the Rest of Europe please contact us via email sales@bkelec.com

(c) 2024 BK Electronics - Unit 1 Comet Way, Southend-On-Sea, Essex SS2 6TR - Tel ; 01702 527572 email sales@bkelec.com

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