Focal SUB 20 SF 8″ Slatefiber Subwoofer

200 MM SUBWOOFER

SKU: SUB 20 SF

$539.00

Description

Introducing the all new Focal SUB 20 SF 8″ Slatefiber Subwoofer.

The Focal SUB 20 SF is a premium 8-inch (200 mm) passive car subwoofer designed for drivers who want stronger, more controlled bass performance without sacrificing valuable vehicle space. As part of Focal’s acclaimed Slatefiber range, this compact subwoofer delivers impressive low-frequency output while maintaining the clarity, precision, and musical balance Focal is known for.

Whether you are upgrading a factory audio system or building a high-performance custom setup, the SUB 20 SF provides deep, dynamic bass in a practical and installation-friendly design.

Exclusive Slatefiber Cone Technology

At the heart of the SUB 20 SF is Focal’s exclusive Slatefiber cone, engineered using recycled carbon fibres combined with thermoplastic polymer materials.

As a result, the cone delivers:

  • Excellent rigidity for accurate bass reproduction
  • Fast transient response for tighter low frequencies
  • Controlled damping to reduce unwanted distortion

This advanced construction allows the subwoofer to produce bass that feels deep, punchy, and controlled rather than loose or overpowering.

In addition, the Slatefiber technology enhances musical detail across a wide range of music genres, creating a more immersive listening experience.

Compact Bass with Genuine Focal Sound

If you want a compact subwoofer that delivers powerful, controlled bass without compromising sound quality, the Focal SUB 20 SF Slatefiber Subwoofer is an outstanding choice.

Ultimately, it combines premium materials, advanced engineering, and impressive low-frequency performance to elevate any in-car audio system.

Flexible System Integration

Focal designed the SUB 20 SF to integrate easily into a wide range of upgraded car audio systems.

Specifications include:

  • 200W RMS power handling
  • 400W maximum power
  • 4Ω impedance
  • 87 dB sensitivity
  • 90 mm mounting depth

As a result, the Subwoofer works well in compact custom Enclosures and applications where larger Subwoofers may not be practical.

Accessories

  • Grilles: On the product
  • Supplied with screws and Mounting Brackets: Yes

Sound Acoustics

  • Product type : Passive subwoofer
  • Membrane :Slatefiber
  • Coil diameter : 52 mm
  • Impedance : 4 Ω
  • Maximum power : 400 W
  • Motor : Ferrite
  • Nominal power : 200 W RMS
  • Sensitivity : 87 dB
  • Surround material : Butyl

Sound Electronics

  • Maximum power : 400 W
  • Nominal power : 200 W RMS

Design

  • Depth : 90 mm / 3.54 in
  • Cut-Out diameter : 200 mm / 7.87 in
  • Depth behind surface (Mounting depth) : 90 mm / 3.54 in
 

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