ACX 690 | 3-Way Coaxial Elliptical Speaker Kit (6×9”) for OEM Audio Upgrades
3-Way Coaxial Performance in OEM Form
The Focal ACX 690 is the only 3-way coaxial kit in the Focal Auditor series, designed to deliver rich, full-range sound in a slim, easy-to-install format. Measuring 6×9” (16.4 × 23.5cm), its elliptical profile offers an expanded sound diffusion surface for deep bass, defined mids, and clear treble, while keeping installation simple and discreet.
Perfect for factory system upgrades, the ACX 690 delivers Focal’s signature clarity and dynamic response without the need for complex modifications.
Focal Technologies – Precision, Durability, and Dynamics
Every Auditor-series kit benefits from Focal’s acoustic expertise and engineering heritage. The ACX 690 integrates key Focal technologies and materials to ensure accurate, long-lasting performance:
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Polypropylene cone – delivers natural midrange, balanced bass, and resistance to moisture and heat.
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Mylar inverted dome tweeter – a Focal signature design for precise, detailed high frequencies.
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Butyl rubber surround – provides flexibility, long-term stability, and reduced distortion.
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Ferrite magnet motor – ensures efficiency and control for consistent performance.
The combination of these technologies provides wide-bandwidth sound, with deep low-end extension and refined high-frequency detail.
Flexible Integration – OEM or Amplified Systems
Thanks to its high sensitivity design, the ACX 690 performs brilliantly whether connected to your factory head unit or a dedicated amplifier. Its efficiency allows it to produce clear, dynamic sound even when powered by standard OEM systems, making it an ideal upgrade for any vehicle.
Whether you’re building your first Focal system or refreshing a stock setup, the ACX 690 offers high performance with minimal effort.
Slim Design and Easy Installation
With its low-profile basket and compact ferrite magnet, the ACX 690 fits neatly into standard 6×9” factory speaker locations. It can be surface-mounted or flush-fitted, ensuring maximum installation flexibility while maintaining a clean, OEM appearance.
Installation requires no cutting or modification — simply Plug & Play for instant results.
Built to Last
Designed for reliability and performance, the ACX 690 features a rigid steel chassis that prevents unwanted vibration and resonance. The included ABS mesh grilles protect the speakers while complementing your vehicle’s interior.
Every detail — from the black lacquered tweeter finish to the reinforced frame — reflects Focal’s commitment to quality, longevity, and acoustic precision.
Focal Auditor Series – Powerful Sound, Effortless Fitment
The Focal ACX 690 represents the peak of the Auditor range, combining 3-way full-range performance with OEM-ready simplicity. Offering clear treble, tight midrange, and rich bass from a single coaxial unit, it transforms your in-car audio experience without altering your vehicle’s design.
Experience Focal Auditor — Plug & Play precision, French acoustic design, and dynamic full-range sound built for everyday driving.
