3. Amplifier for beginners
  5. Impulse 4.320

Impulse 4.320

55 Watt

Impulse 4.320

Technical Highlights

  • Power output of 4 x 55 W, maximum power at 2 Ω: 4 x 80 W.
  • Impedance matching for 4 Ω, min. distortion factor of 0.02 %.
  • Wide frequency range from 10 Hz to 20 kHz, SNR: 80 dBA.
  • More technical details
€237.63
-21% €299.00 €237.63
2% discount with credit card

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ProductImpulse 4.320

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€237.63
€299.00 €237.63

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Compatible with Impulse 4.320

The Impulse 4.320 from Focal is an ultra-compact 4-Channel Amplifier. The device delivers a CEA power of 4 x 55 Watts RMS at 4 Ohm. At an impedance of 2 Ohm, the maximum power is 4 x 80 Watts RMS. In bridged operation at 4 Ohm, the amplifier reaches a power of 2 x 160 Watts RMS. The frequency range extends from 10 Hz to 20 kHz with a signal-to-noise ratio of 80 dBA. A minimum distortion factor of 0.02 percent is technically specified. Integration is achieved via an automatic start with the main unit and is ISO-compatible through optional accessories.

Features
  • 4-Channel Amplifier
  • Ultra-compact design
  • Compatible with OEM and aftermarket head units
  • Automatic start with the original head unit
  • ISO-compatible via separately available cable accessories
  • Tuned for Focal integration speakers
Technical Specifications
  • Power: 4 x 55 Watts RMS (4 Ohm)
  • Power: 4 x 80 Watts RMS (2 Ohm)
  • Power: 2 x 160 Watts RMS (bridged at 4 Ohm)
  • Bandwidth: 10 Hz - 20 kHz
  • Minimum distortion factor: 0.02%
  • SNR: 80 dBA

datasheet

Open data sheet

Frequently Asked Questions about Impulse 4.320

What is the maximum power of the Focal Impulse 4.320 at different impedances?

The Focal Impulse 4.320 provides an RMS power of 4 x 55 Watts at an impedance of 4 Ohm. With a reduced impedance of 2 Ohm, the output power increases to 4 x 80 Watts RMS. In bridged mode, the amplifier reaches a power of 2 x 160 Watts RMS at 4 Ohm. These specifications demonstrate that the amplifier is well-suited for both standard and more demanding applications, especially if you want different volume settings and high loads.

How is the Focal Impulse 4.320 integrated into an existing audio system?

The Focal Impulse 4.320 amplifier is easy to integrate as it is compatible with OEM and other head units. The automatic start function allows for integration directly through the original head unit. Additionally, ISO compatibility through separately available cable accessories provides extra flexibility and ensures that the connection works smoothly in different car models. This is particularly advantageous if you desire a seamless sound experience.

What frequency range does the Focal Impulse 4.320 cover?

The Focal Impulse 4.320 covers a frequency range from 10 Hz to 20 kHz. This wide bandwidth allows for excellent sound quality across the entire audible range. High-quality sound reproduction is especially important when you want to hear every detail in music playback, whether it's deep bass or clear high frequencies. With the extended frequency coverage, you can get the most out of your Focal integration speakers.

What technical features distinguish the Focal Impulse 4.320?

The Impulse 4.320 is characterized by its ultra-compact design, making it ideal for tight installation conditions in vehicles. It is also equipped with automatic start functions and has an impressive signal-to-noise ratio of 80 dBA, which supports playback quality. A minimal distortion factor of 0.02% reduces distortion to a minimum, significantly improving sound fidelity. Especially if you have high demands for your car sound, considering these features is worthwhile.

What role does the minimum distortion factor play in using the Focal Impulse 4.320?

With a minimal distortion factor of only 0.02%, the Focal Impulse 4.320 offers extremely low distortion. This value is particularly important for audiophiles who desire crystal-clear sound without unwanted distortion. Especially in combination with high power and a wide frequency range, an exceptionally high level of sound purity is achieved. A low distortion factor is essential if you want to achieve the highest sound fidelity and hear fine detail nuances.

Is the Focal Impulse 4.320 compatible with other speaker types?

Yes, the Focal Impulse 4.320 is specifically tuned for Focal integration speakers, ensuring optimal performance. However, thanks to its power parameters and compatibility with various impedances, it can also be used with a variety of other speaker systems. This offers you flexibility in expanding your audio system, whether you want to upgrade existing speakers or add new ones.

How compact is the Focal Impulse 4.320 and what impact does this have on installation?

The ultra-compact design of the Focal Impulse 4.320 allows for flexible installation, even in vehicles with limited space. This greatly facilitates integration into car sound systems, especially if you are looking for a space-saving solution without compromising performance. The compact size is ideal if you prefer a discreet installation while maintaining exceptional performance and quality.

What advantages does the automatic start of the Focal Impulse 4.320 offer?

The automatic start of the Focal Impulse 4.320 ensures convenient and straightforward use, as the amplifier connects to the main device and turns on automatically. This means no additional manual control is required. This feature is particularly beneficial if you are looking for seamless integration without extra effort. Additionally, it simplifies system configuration, making it easy to use in various vehicle models.

What should be considered when selecting suitable speakers for the Focal Impulse 4.320?

When selecting suitable speakers for the Focal Impulse 4.320, it is important to compare the power handling and impedance of the speakers. The amplifier delivers 4 x 55 watts RMS at 4 Ohm and 4 x 80 watts RMS at 2 Ohm, which should be taken into account when choosing speakers. Additionally, tuning to Focal integration speakers is advantageous, as they are specifically designed to work together. This provides you with a significant improvement in sound quality and overall system performance.

What is the relevance of ISO compatibility for the Focal Impulse 4.320?

The ISO compatibility of the Focal Impulse 4.320 means that it is equipped with standardized plug and socket systems, greatly facilitating integration. This offers flexibility in connecting to a variety of vehicle models, especially if you specialize in seamless integration. If you are looking for a universally applicable system that can be used in different car types without complicated adjustments, this is a significant advantage.

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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