Focal ACX 165 S
Auditor EVO 6-1/2" slim 2-way car speakers
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Focal ACX 165 S | Auditor Series 6.5" 2-Way Shallow Coaxial Speakers
The Focal ACX 165 S is an ultra-slim 165 mm (6.5") coaxial kit designed for vehicles with restricted mounting depth. As part of the Auditor EVO line, these speakers bring Focal's legendary French engineering to an entry-level price point. With a mounting depth of only 48.5 mm (1.9 in.), they are specifically built to "disappear" into shallow door panels while providing a significantly more dynamic and neutral sound compared to factory equipment.
Product Highlights
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Ultra-Shallow Design: One of the slimmest 6.5" speakers on the market, making it the "go-to" solution for vehicles like the Toyota Tacoma or Subaru where space behind the door panel is limited.
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Mylar Inverted Dome Tweeter: A hallmark of Focal DNA, this tweeter design offers excellent spatial dispersion and a wide soundstage, ensuring clear highs even when mounted low in a door.
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Polypropylene Cone: Provides a neutral, natural tonal balance with the high rigidity required for punchy mid-bass and reduced distortion.
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High Sensitivity: Rated at 91 dB, these speakers are highly efficient and can be easily driven by a factory head unit, though they truly shine when paired with a dedicated amplifier.
Key Features
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Integrated Crossover: The high-fidelity crossover is built directly onto the basket, simplifying installation by eliminating the need to mount external boxes.
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Butyl Rubber Surround: Ensures long-term reliability and resistance to the harsh automotive environment (heat and humidity) while maintaining consistent cone movement.
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Black Lacquer Finish: The tweeter is finished in a sleek black lacquer, allowing it to blend seamlessly into modern vehicle interiors.
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Rigid Steel Basket: A durable, vibration-resistant frame provides a solid foundation for the motor, ensuring clean audio reproduction at higher volumes.
Technical Specifications
| Feature | Specification |
| Speaker Size | 165 mm (6.5 in.) |
| Design | 2-Way Shallow Coaxial |
| Power Handling (RMS) | 55 Watts |
| Power Handling (Peak) | 110 Watts |
| Frequency Response | 60 Hz – 21,000 Hz |
| Sensitivity | 91 dB SPL |
| Impedance | 4-Ohm |
| Mounting Depth | 1.9 in (48.5 mm) |
What’s In The Box?
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(2) Focal ACX 165 S Coaxial Speakers
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(2) Mesh/ABS Protective Grilles
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(8) Mounting screws
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(8) Speed clips
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Owner’s manual
What Others Are Saying
Eddie was great - SDCS installed a new head unit in my 2019 4Runner. He was honest in his opinions regarding the options I was considering. Pricing was also good - he was able to reuse some of my existing installation kit so I saved a bit of $$.Installation was clean and fast and he took the time to walk through the features before I left. Highly recommend!!
I had a great time at this shop! The staff really knows their stuff and took the time to explain the different options without pressure. Installation was quick, clean and professional. Everything looks factory and sounds amazing. The prices were fair and customer service was above and beyond. I highly recommend this place if you're looking for quality car audio and excellent service.
Those guys are really professional! I had a new Alpine floating head unit installed in my 2008 Mercedes, and it feels like a brand-new car. The installation was super clean. At first, the sound wasn’t the same as the factory stereo, but Kevin tuned it to be just as good—if not better—without adding any new amps. They even used my factory GPS antenna so I don’t have extra wires hanging out. On top of that, they matched the online price. Big thanks to Kevin and Eddie—highly recommended!
Kevin was awesome, he took his time and explained everything to me. I went in initially for a dash cam install and then decided to get a sub and amp installed as well. Both turned out great and will be returning if I need more work done.
Came In not knowing what to expect when suddenly my stereo stopped working. Spoke with Kevin in the front and after a VERY fast diagnosing they discovered my wiring was incorrect. After only about 45 minutes total being in the store I was on my way to the beach with a working stereo again! Thank you so much SDCARSTEREO
Highly recommend Kevin and the team at San Diego Car Stereo for any issues with aftermarket stereos. I bought a car with an aftermarket stereo and AC unit that wasn’t working properly—specifically, the heat wasn’t functioning due to an improper setup. I had several people look at it with no luck, and even the dealership basically refused to help because it was an aftermarket install. I came to Kevin and his team over the holidays feeling pretty defeated, but he was confident he could get the heat working before I headed back to a Colorado winter. Sure enough, he got it done.
FAQ
Do products purchased from San Diego Car Stereo come with a warranty?
Yes, all products come with a 1-year manufacturer warranty unless otherwise stated. This covers any defects excluding physical damage.
Are these products brand new?
Yes, every product we sell is 100% brand new, unused, and comes in original manufacturer packaging unless clearly marked otherwise.
Do you offer installation services?
Yes, we offer professional installation services at both of our San Diego Car Stereo locations. Our expert technicians have over 50 years of combined experience to install all of your car, marine, or offroad audio needs. Stop by or give us a call to schedule an appointment to get a quote in person.