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Focal SUB 25 KXS 10" K2 EVO Shallow Subwoofer

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Focal K2 EVO Subwoofer Overview

Product Information

Model: SUB25KXS | UPC: 3544058820854


What's In The Box

Product Documents

Product Information

Model: SUB25KXS | UPC: 3544058820854

Great Power Handling

SUB 25 KXS is an ultra-compact 10” (25cm) woofer. New for the fourth generation of K2 Power kits, it features a slim profile for even shallower depth without energy loss. Sealed box or bass reflex, this subwoofer gives impressive power handling and reliability for such a compact package. Like all the K2 Power kits, SUB 25 KXS is equipped with the K2 aramid fiber cone. Born in 1986 and introduced into the car audio sector in 1992, the K2 sandwich cone is an exclusive Focal innovation, immediately recognizable by its iconic yellow color and by the perfect sound it reproduces inside a vehicle. It is supported by a strong and super reliable rubber surround, whose exclusive profile has been optimized to provide lengthy travel, a top choice for your in car audio system.


  • Made in France in the Focal workshops
  • Shallow profile subwoofer
  • K2 Aramid Fibers Sandwich Cone
  • Robust design and high quality materials
  • Exceptional power

K2 Sandwich Cone

The aramid fiber cone inherits all of Focal’s unique know-how. Composed of an ultralight foam core, sandwiched between a thin layer of aramid fiber and a layer of fiberglass, it combines 3 key factors when it comes to acoustics: rigidity, lightness and damping, for sound that is as precise and dynamic as it can get.

TMD® Surround

The speaker drivers benefit from TMD (Tuned Mass Damper) technology, a patented innovation. This surround has a special profile, designed to better control the effect of resonance and reduce the distortion associated with deformations of the cone. The midranges are perfectly defined and very realistic.

More Linearity and Precision

The progressive spider on the K2 Power speaker drivers is built around a progressive section to reproduce all the impact of the bass and increase the linearity, precision and dynamics of the sound.

Increased SPL

The Radial VC cooling system for the speaker driver coil expels hot air from the coil towards the bottom of the motor through 6 holes. This improves control over the coil temperature, limiting the effects of heat compression and improving reliability. This improves the dynamics of the speaker driver and generates a powerful sound.

Slim Profile

The ES 165 K2S and SUB 25 KXS kits have a shallow depth. This slim profile takes up minimal space whilst maintaining exceptional power handling.


  • Type: Subwoofer
  • Maximum power: 800W
  • Nominal power: 400W RMS
  • Sensitivity (2.83V/1m): 84.5dB
  • Frequency response: 25Hz – 500Hz
  • Impedance: 4 Ω
  • Cone: K2 Sandwich
  • Subwoofer: 10" (250mm)
  • Voice coil diameter: 1-3/4" (45mm)
  • Depth: 3-3/4" (94mm)
  • Magnet: Neodymium

What's In The Box

  • SUB 25 KXS 10” K2 EVO Shallow Subwoofer
  • Manual

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