Focal Slatefiber 65 SF 2.5 Inch Midrange Speakers 40w RMS
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The Focal Slatefiber 65 SF is a 65mm (2.5 inch) midrange speaker from Focal's second-generation Slatefiber range, rated at 40W RMS. It features a French-made Slatefiber cone and neodymium magnet, and comes with dedicated mounting brackets for straightforward installation into many factory midrange locations.
Key specifications
- Type: midrange speaker
- Size: 65mm (2.5")
- Power handling: 40W RMS, 80W maximum
- Sensitivity: 87dB
- Frequency response: 250Hz – 11kHz
- Impedance: 4 ohms
- Depth: 34.8mm
- Magnet: neodymium
Focal 65 SF
65mm midrange speaker.
The Slatefiber 65 SF delivers natural, dynamic midrange using Focal's exclusive Slatefiber cone, made in France. It's compact, precise, and straightforward to integrate into your in-car audio setup.
- Exclusive Slatefiber cone — designed and made in France in Focal's own workshops
- 40W RMS power handling for consistent performance, even at high volume
- Optimised efficiency to reduce amplification requirements
- Robust construction with rigorously selected materials for long-term reliability
The second-generation Slatefiber range is engineered by Focal for precision, responsiveness and durability. The range spans passive kits to subwoofers, offering sound coherence across all models. If you're looking for a larger component speaker option, Focal's 165 AS Access Series 6.5" 2-way component speakers are worth considering.
Slatefiber Precision
The Slatefiber cone is developed and manufactured in Focal's own workshops. It offers exceptional rigidity, controlled damping, and optimal sound propagation — resulting in clear, uniform, detailed reproduction.
Built to Last
The compact 65mm format and included dedicated mounting brackets make installation straightforward in many factory locations. Durable materials and solid construction ensure long-term reliability.
Controlled Sound
A butyl surround maintains stability at high volume. Optimised efficiency keeps amplification requirements low while delivering lively, precise midrange that integrates cleanly into your audio system.
Explore the full range in Focal Slatefiber.
Specification
| Nominal power | 40W RMS |
|---|---|
| Maximum power | 80W |
| Sensitivity | 87dB |
| Nom. impedance | 4Ω |
| Cone | Slatefiber |
| Surround | Butyl |
| DC resistance | 2.8Ω |
| Magnet | Neodymium |
| Depth | 34.8mm |
| VC diameter | 25mm 1" |
| Former | Kapton |
| Layers | 2 |
| Wire | Copper |
| Net weight | 150g / 0.33lbs |
| Frequency response | 250-11kHz |
What's Included
- Focal Slatefiber 65 SF
- Screws
- Mounting Brackets
Focal
About the Focal 65 SF
From our tech experts at CEN
The Focal Slatefiber 65 SF is a 65 mm (2.5 inch) midrange from Focal's second-generation Slatefiber range, with a French-made Slatefiber cone and neodymium magnet. It handles 40 W RMS and 80 W maximum at 4 ohms, covering 250 Hz to 11 kHz with 87 dB sensitivity.
Who it suits
Three-way builds and factory dash midrange positions, and owners of the Slatefiber 165 SF3 three-way kit. Dedicated mounting brackets are included for many factory midrange locations.
Our tech experts advise
It needs 34.8 mm of depth. Run it with band-pass filtering from a DSP or a three-way crossover, as it is not designed for deep bass. Get in touch and we will confirm what your dash takes.
Explore the full Focal range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Focal
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Focal Car Audio
To combine the pleasure of driving with the love of sound, make sure your car is fitted with quality hi-fi equipment. Focal high-fidelity sound promises sensational musical emotions to enhance every journey.
Speaker Kits
With Focal's dedicated car speakers, take advantage of a wide choice of models to compose your own customized audio system, according to your vehicle and your desires. From the Focal discovery with the Universal range to the Utopia M excellence, listening in the car takes on a whole new dimension
Subwoofer
Choose one of Focal's subwoofers (passive, active, bass-reflex, ultra-flat...) and bring powerful, deep bass. Offering a variety of models in different formats, our range meets every installation need and is the ideal audio complement.
DSP & Amplifiers
To optimize the sound quality of your installation and enhance in-car listening, we offer a range of amplifiers and DSPs to match your loudspeakers. These Focal electronics let you experience the sensations of precise, controlled and stable sound.
Accessories & Cables
Discover Focal's range of amplifiers and cables for a complete solution. As a complement to your installation, amplifiers let you experience the sensations of precise, controlled sound, and cables answer questions linked to amplification and connections between components.
Focal Car Audio
Deliver exceptional sound clarity and precision for your vehicle
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Frequently Asked Questions
Q: Will these speakers fit my car?
A: Most car speakers are standard sizes, but mounting depth and fitting rings vary by vehicle. Check the size in the Specification tab against your vehicle, or contact CEN with your registration and we will confirm fitment and any adapters or fitting kits you need.
Q: Do I need an amplifier to run these speakers?
A: Not always. Most speakers will run from a standard head unit, but a dedicated amplifier lets them perform at their best, particularly for component sets and higher power handling models. The RMS figure in the Specification tab is the guide to how much clean power they can use.
Q: Do these come as a pair?
A: Unless stated otherwise, car speakers are sold in pairs. Check the product title and What's Included tab, which lists exactly what is in the box.
Q: Can CEN fit these speakers for me?
A: Yes. CEN offers professional installation from our Nottingham premises. Contact us to book an installation slot or ask for a fitting quote.
Q: What frequency range does the 65 SF cover?
A: The 65 SF is rated from 250Hz to 11kHz, so it is designed to run as a midrange driver.
Q: How deep is the 65 SF?
A: The 65 SF has a depth of 34.8mm.
Q: What's in the box with the Slatefiber 65 SF?
A: The Slatefiber 65 SF, screws and mounting brackets.
