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  3. Auditor ACX100

Focal Auditor ACX100 4" (10cm) Coaxial Speaker

9 Reviews

Back again soon 30 Watt

Focal Auditor ACX100 4" (10cm) Coaxial Speaker

9 Reviews

Technical Highlights

  • Rated power 30W, Maximum power 60W, Rated impedance 4 Ω.
  • Frequency response 80Hz-21kHz, sensitivity 88dB, VC diameter 25mm.
  • Cone made of polypropylene, bead made of butyl, net weight 450g.
  • More technical details
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€41,93
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Auditor ACX100 by Focal

The ACX100 is a 4-inch coaxial speaker developed by the renowned brand Focal. With a nominal power of 30W and a maximum power of 60W, it offers excellent sound quality. The speaker impresses with its 88dB sensitivity and a wide frequency response range of 80Hz to 21kHz, enabling detailed audio playback. The use of polypropylene for the cone and butyl for the surround demonstrates Focal's commitment to robust materials. With a net weight of 450g, the speaker is lightweight yet powerful.

Technical Data

  • Rated power: 30W
  • Maximum power: 60W
  • Sensitivity: 88dB
  • Nominal impedance: 4 Ω
  • Frequency response: 80Hz-21kHz
  • Cone: Polypropylene
  • Sicke: Butyl
  • VC Diameter: 25mm (1")
  • Net weight: 450g

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Focal Auditor ACX100 Datasheet

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Frequently Asked Questions about Auditor ACX100

How does the Focal ACX100 sound compared to other 4-inch speakers?

The Focal ACX100 stands out primarily due to its balanced reproduction, which you will especially enjoy if you like detailed sound. With a sensitivity of 88 dB, this 4-inch coaxial speaker can deliver impressive volumes even with moderate amplifier power. Its frequency response of 80 Hz to 21 kHz covers a wide range, allowing for both clear highs and punchy bass. Especially if you enjoy listening to music at high volumes, you will benefit from its clean sound quality. Another advantage is its lightweight net weight of 450 g, which makes installation easier. Thanks to the polypropylene diaphragm and butyl surround, the sound remains stable and precise. If you are looking for a reliable car audio tweeter in a compact unit, you will have a lot of fun with the ACX100. You can find out more about the manufacturer on our Focal page.

What special features does the frequency response of 80 Hz to 21 kHz offer with the ACX100?

The frequency response of 80 Hz to 21 kHz ensures that you can enjoy a very wide sound spectrum: deep tones, which are important for a rich bass foundation, are reproduced just as well as clear highs, which are essential for intricate details. Especially in the midrange reproduction, the ACX100 from Focal will provide you with a lot of transparency. The combination of high-quality cone material – here polypropylene – and a durable butyl surround allows for precise vibration. This leads to a vibrant sound experience where you can perceive every nuance. Whether you prefer classical music or listen to a soundtrack with punchy beats: the speaker can adapt well to your music style. This gives you great freedom in choosing your music genre and benefits from a powerful, balanced listening experience.

How can I easily integrate the Focal ACX100 into my car?

If you are looking for a small speaker format with solid sound, the 4-inch coaxial speaker Focal ACX100 is an excellent choice. Thanks to its compact dimensions, you can easily install it in many vehicles instead of existing speaker units. The installation depth is just as important as the diameter, and the ACX100 is designed to be space-saving. The integrated tweeter also saves you the additional space required for separately installed high-end car tweeters. When installing, ensure that the wiring matches the 4-ohm nominal impedance to ensure optimal signal transmission. If you follow the common installation guidelines, you can quickly mount the ACX100. Experience immediately how the soundstage in your vehicle improves. You can find more information about Focal on our manufacturer overview.

Why does Focal use polypropylene for the cone and butyl for the surround?

Focal's choice of materials is very targeted and significantly contributes to the durability and sound profile of the ACX100. Polypropylene has been selected for the cone because it is lightweight while also having high strength. This allows the speaker to execute vibrations precisely, which ensures clarity, especially in the mid and upper bass ranges. The butyl surround serves to stabilize the cone without damping the system too much. Butyl is extremely resistant to environmental influences such as heat, cold, and moisture, which gives the speaker a long life. This is particularly important in a car, where temperature fluctuations and vibrations can be especially strong. You can rely on the ACX100 to provide you with long-lasting enjoyment.

What makes Focal as a manufacturer stand out, and how do I benefit from it?

Focal is one of the renowned manufacturers of audio equipment and is known worldwide for its innovation and sound quality. When you choose the Focal ACX100, you benefit from decades of experience and state-of-the-art manufacturing processes. The brand invests heavily in research and development, which is reflected in the materials and technologies used. Typical for Focal is that they place great value on detail fidelity and precision even in entry-level models like the ACX100. Additionally, you can rely on consistent build quality. For you, this means less maintenance, stable performance, and more enjoyment of music. If you want to learn more about other models or details, feel free to take a look at our Focal page for additional information.

Why are 30 watts RMS and 60 watts maximum power sufficient for my needs?

With 30 watts RMS (rated power) and a maximum power of 60 W, the Focal ACX100 covers most everyday applications in the car excellently. RMS power stands for the continuous load that the speaker can safely handle over a longer period without overheating or distorting. This makes the ACX100 perfect for common car radios or moderate amplifiers, allowing you to achieve a solid level without your system breaking a sweat. Especially if you like to listen to your music at medium to loud volumes, this power will give you enough reserves. The 60 watts maximum power can cover short-term power peaks, such as during loud bass hits in your favorite music. This gives you more dynamics and ensures a strong, balanced audio playback.

What influence does a sensitivity of 88 dB have on the sound?

A sensitivity of 88 dB means that the Focal ACX100 generates a solid sound pressure level even with relatively low amplifier effort. This feature is particularly important if you want to operate your existing car radio without a separate power amplifier. Thanks to this sensitivity, you don't have to set the volume extremely high to achieve powerful playback. This way, you can reduce any distortion and keep the sound overall clearer. At the same time, this value gives you enough headroom if you do want to listen louder – for example, when you're playing your favorite playlist and want to fully enjoy the sound. The ACX100 strikes a good balance between powerful representation and sound purity, significantly enhancing your music enjoyment.

What distinguishes a coaxial speaker like the ACX100?

A coaxial speaker like the Focal ACX100 combines multiple sound transducers in a single unit – here it is the midrange driver and the integrated tweeter. This means that you don't have to make space for separate high-end car tweeters or an additional Ring Radiator Tweeter. All of this is already compactly combined. This design has the advantage that the components are acoustically perfectly matched and spatially close together. This way, a coherent soundstage is created without you having to make extensive adjustments. From rocking guitar riffs to delicate voices in ballads: the ACX100 delivers a homogeneous mix that simply makes driving enjoyable. And with a lightweight of 450 g, it is also easy to handle.

Is the speaker suitable for installation in BMW, Audi, Mercedes, or VW?

The Focal ACX100 can indeed be used in many models of BMW, Audi, Mercedes, or VW, provided there is space for a 4-inch coaxial speaker. However, since each manufacturer uses its own designs, it is important to check the enclosure dimensions and mounting options before installation. Also, pay attention to the connection impedance of 4 Ω to ensure that your system is optimally powered. Especially in premium vehicles with already quite good sound equipment, replacing the factory speaker could enhance the sound quality. With Focal's high build quality, you also get a robust and durable speaker. If you want more details about the installation, feel free to take a look at our installation instructions or our Focal page.

How do I optimally use the ACX100 for a convincing sound image?

To fully exploit the potential of the Focal ACX100, you should first pay attention to careful insulation of the doors or installation locations. This minimizes disturbing vibrations and resonances that could affect the sound. It is also advisable to operate the speaker using a suitable amplifier or through your car radio with sufficient power to fully utilize the 30 watts RMS. A wise choice of music settings, such as a moderate boost in treble and bass, can also make a big difference. For example, if you enjoy listening to electronic or rock music, you can extract a bit more bass without disturbing the sound balance. Thanks to the butyl surround and polypropylene cone, the ACX100 remains stable in every situation. This way, you experience a detailed and dynamic sound that you can enjoy for hours.

Manufacturer information / responsible person

Focal Naim Deutschland GmbH

Darius R. Świderski

Hainbuchenweg 14–18
21224 Rosengarten
Germany

Phone: +49 4105 77050
Fax: +49 4105 770529
E-mail: info@focal-naim.de

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