ACX 165 S | 2-Way Coaxial Speaker Kit (Shallow 165mm Woofer) for OEM Audio Upgrades
Compact Design, Full-Range Performance
The Focal ACX 165 S is a 2-way shallow-mount coaxial speaker kit designed to deliver Focal’s signature dynamic sound in tight factory spaces. With a mounting depth of just 48mm (1-7/8”), it’s the perfect upgrade for vehicles where space is limited but sound quality can’t be compromised.
Featuring a 165mm (6.5”) polypropylene woofer and an inverted dome Mylar tweeter, the ACX 165 S produces neutral mids, precise treble, and rich soundstage detail — outperforming traditional OEM speakers while maintaining effortless fitment.
Focal Technologies – Proven Acoustic Engineering
Every component in the Auditor series benefits from Focal’s decades of acoustic expertise and manufacturing excellence. The ACX 165 S integrates:
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Mylar inverted dome tweeter – delivers crisp, controlled highs and improved spatial imaging.
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Polypropylene cone – ensures natural midrange and tight, dynamic bass response.
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Butyl rubber surround – enhances durability and vibration control for long-term reliability.
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Ferrite magnet motor – provides stable, efficient power handling for consistent output.
This combination of technologies ensures smooth frequency response, dynamic performance, and long-lasting sound quality, ideal for daily driving.
Shallow-Mount Profile – OEM Fitment Simplified
Engineered for vehicles with limited door depth, the ACX 165 S fits directly into most factory speaker locations without the need for spacers or modifications. Its ultra-compact ferrite magnet keeps the overall profile slim, enabling flush-fit or surface-mount installation for complete flexibility.
This true Plug & Play solution delivers maximum installation compatibility and Focal-level sound — even in space-restricted applications.
Flexible System Integration
With its high sensitivity design, the ACX 165 S performs efficiently whether powered by your vehicle’s factory head unit or an aftermarket amplifier. It offers consistent, dynamic performance across a wide range of setups, making it ideal for OEM upgrades or as part of a full Focal system build.
The result is clean, balanced audio with improved clarity, depth, and precision at every volume level.
Durable Construction, Refined Design
The steel speaker basket ensures mechanical rigidity and vibration-free operation, while the included flat mesh grilles provide both protection and style. Finished in black lacquer, the tweeter blends seamlessly with modern interiors, completing an OEM-quality aesthetic that looks as good as it sounds.
Focal Auditor Series – Compact Design, Big Sound
The Focal ACX 165 S combines slimline installation with full-range fidelity, making it the perfect choice for vehicles where space is limited but acoustic quality matters. Delivering Focal’s hallmark balance of precision, durability, and effortless sound, it’s a simple upgrade that transforms your factory audio.
Experience Focal Auditor — shallow design, OEM fitment, and authentic high-fidelity sound in every drive.
