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Focal SUB 20 SF 8" Slatefiber Subwoofer
The Focal SUB 20 SF is a premium 8-inch (200mm) passive subwoofer engineered to deliver powerful, accurate and controlled bass performance in compact vehicle audio installations. Part of Focal’s second-generation Slatefiber range, the SUB 20 SF combines advanced French acoustic engineering with innovative cone technology to provide deep low-frequency response while maintaining the speed, precision and musicality that Focal is renowned for.
Manufactured in France, the Slatefiber cone is constructed from recycled carbon fibres combined with thermoplastic polymer. This exclusive material delivers the ideal balance of rigidity, lightweight construction and damping, allowing the subwoofer to reproduce bass frequencies with excellent control, reduced distortion and impressive responsiveness.
Designed for sealed and vented enclosure applications, the SUB 20 SF offers exceptional versatility for custom car audio installations where space is limited but performance remains a priority. Its compact 8-inch format makes it suitable for boot installations, spare wheel well enclosures and integrated audio upgrades while still providing strong low-end impact and musical accuracy.
With 200W RMS power handling, 400W maximum power, a 4 Ohm impedance and a robust ferrite motor assembly, the SUB 20 SF delivers reliable performance when paired with a quality monoblock or multi-channel amplifier. The durable butyl surround further enhances control and long-term reliability, ensuring consistent performance across a wide range of listening conditions.
Key Features
- Premium 8" (200mm) passive subwoofer
- French-made Slatefiber cone technology
- 200W RMS power handling
- 400W maximum power handling
- 4 Ohm impedance
- 52mm (2") voice coil
- Ferrite motor structure
- Durable butyl rubber surround
- Compact design ideal for space-conscious installations
- Designed for accurate, controlled and dynamic bass reproduction
- Suitable for sealed and vented enclosure applications
- Manufactured in France
Performance Benefits
- Deep and controlled bass response
- Fast transient response for greater musical accuracy
- Excellent low-frequency extension without excessive distortion
- Compact size for flexible installation options
- Seamless integration with Slatefiber speaker systems
- Ideal for SQ-focused and daily driving audio systems
Technical Specifications
| Product Type | Passive Subwoofer |
| Series | Slatefiber |
| Subwoofer Size | 8" (200mm) |
| Cone Material | Slatefiber |
| RMS Power Handling | 200W |
| Maximum Power Handling | 400W |
| Nominal Impedance | 4 Ohm |
| Sensitivity | 87dB (2.83V/1m) |
| Voice Coil Diameter | 52mm (2") |
| Motor Type | Ferrite |
| Surround Material | Butyl Rubber |
| Installation Position | Boot, Spare Wheel Well, Custom Enclosures |
| Country of Manufacture | France |
What's Included
- 1 x Focal SUB 20 SF 8" (200mm) Slatefiber Subwoofer
Why Choose the Focal SUB 20 SF?
The SUB 20 SF is designed for enthusiasts who want premium bass performance without sacrificing installation flexibility. Its compact footprint, advanced Slatefiber cone technology and high-power handling capabilities make it an ideal solution for upgrading factory audio systems or complementing a high-end Focal speaker setup.
Delivering the signature Focal balance of precision, dynamics and musicality, the SUB 20 SF provides powerful low-frequency reinforcement while maintaining the detail and accuracy needed for a truly immersive listening experience.
