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  5. A401
Axton A401 4-channel amplifier
SKU:  A401
EAN:  7612309103523
170 Watt

A401

SKU:  A401
EAN:  7612309103523

Technical Highlights

  • Power: 4 x 170 W @ 2 Ohms, 2 x 350 W bridged @ 4 Ohms.
  • Frequency response: 10 Hz – 35 kHz, Filter: 12 dB/Oct. 40 – 400 Hz.
  • Input sensitivity: 0.4 – 10 V, Start/Stop compatible.
  • More technical details
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€143,28
-28% €199,00 €143,28
5% discount with prepayment
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May 19, - May 22,
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A401 by Axton Description

The A401 from Axton is a 4-channel amplifier that impresses with its ultra-compact Class-D design. It features an aluminum heat sink that ensures optimal heat dissipation and is equipped with a 12 dB/oct. high-pass and low-pass filter (40 – 400 Hz). The amplifier supports both high-level and low-level inputs and offers an auto-turn-on function via DC offset or music signal. With an output power of up to 4 x 170 W @ 2 Ohm and a frequency response of 10 Hz – 35 kHz, the A401 meets the highest demands. Additionally, it is fully compatible with vehicles that have a start/stop automatic. The dimensions are 230 x 40 x 105 mm.

HighLights

  • Ultracompact Class-D Amplifier
  • Aluminum heat sink for optimal heat dissipation
  • 12 dB/Oct. High-pass and low-pass filters (40 – 400 Hz)
  • High-Level/Low-Level Input
  • Auto-Turn-On via DC Offset or Music Signal
  • Fully suitable for vehicles with start/stop automatic system

Specifications

  • Output power @ 4 Ohm 4 x 100 W
  • Output power @ 2 Ohm 4 x 170 W
  • Output power @ 4 Ohm bridged 2 x 350 W
  • Frequency response 10 Hz – 35 kHz
  • Integrated electronic frequency crossovers 12 dB/oct. High-pass and low-pass filters (40 - 400 Hz)
  • Signal-to-noise ratio 85 dB
  • Variable input sensitivity 0.4 – 10 V
  • Dimensions (W x H x D) 230 x 40 x 105 mm

Axton A401 Datasheet

Open datasheet

Frequently Asked Questions about A401

Welche Leistungen bietet der A401 Verstärker von Axton?

The A401 from Axton delivers impressive performance with an output power of 4 x 170 W at 2 Ohms or 4 x 100 W at 4 Ohms. For bridged configurations, it offers 2 x 350 W at 4 Ohms. These power specifications are remarkable for an amplifier of this ultra-compact design. The Class-D amplifier ensures efficient energy conversion, which is particularly appreciated in energy-intensive applications. Additionally, the A401 features a frequency response of 10 Hz to 35 kHz, allowing for a wide range of audio signals to be reproduced in detail. The 12 dB/oct. high-pass and low-pass filters provide flexibility in sound adjustment.

Wie funktioniert die Auto-Turn-On Funktion beim A401?

The A401 from Axton features an Auto-Turn-On function that operates through two methods: DC offset and music signal. This function allows the amplifier to turn on automatically without the need for a separate remote signal. In DC offset mode, the amplifier detects minimal DC changes in the high-level input, which act as a switching signal. Alternatively, the music signal detection is based on the amplifier responding to input signals in the audio frequency range. This technology is particularly useful for use in vehicles with modern audio interfaces, as it allows for easy integration into existing systems without additional wiring.

Welche Filterspezifikationen hat der Axton A401 Verstärker?

The A401 from Axton is equipped with a 12 dB/octave high-pass and low-pass filter that can be variably set between 40 and 400 Hz. These integrated electronic crossovers allow for sound adjustment to meet specific usage needs, whether to filter out frequencies below a certain range or to attenuate high frequencies for a balanced sound. This configurability is particularly ideal for music lovers who value precise sound reproduction, allowing them to fine-tune their audio system to their personal taste.

Wie sorgt der A401 für optimale Wärmeabfuhr?

The Axton A401 is equipped with an aluminum heat sink, which is crucial for effective heat dissipation. Aluminum has excellent thermal properties, which is why it was chosen as the material for the heat sink. The heat sink helps to keep the operating temperature of the amplifier stable, which in turn supports the performance and reliability of the device. Especially under high load or in environments with little airflow, this heat sink prevents heat issues, ensuring seamless audio playback without the risk of overheating. The combination of compact design and effective cooling system makes the A401 a robust choice.

Passt der A401 in mein Auto? Auf welche Abmessungen muss ich achten?

The Axton A401 amplifier is excellently suited for vehicles with limited space due to its ultra-compact design. With dimensions of 230 x 40 x 105 mm, this amplifier can be installed in many common car models without taking up much space. These compact dimensions allow for flexible installation options, both under seats and in trunks or other tight areas of the vehicle. It is important to ensure that the amplifier is adequately ventilated during installation to ensure optimal heat dissipation through the aluminum heat sink. Therefore, a careful installation location that allows for air circulation is recommended.

Welche Eingangsoptionen bietet der A401 von Axton?

The Axton A401 offers both high-level and low-level inputs, making it versatile for various audio systems. The high-level inputs are ideal for connections with factory car radios that do not have special preamp outputs, while the low-level inputs ensure seamless integration with aftermarket audio systems. These options allow for flexible installation and integration, whether it is a basic system or a more complex sound system. Furthermore, the variable input sensitivity of 0.4 to 10 V demonstrates adaptability to different source signal levels, making the amplifier universally applicable.

Ist der A401 Verstärker von Axton geeignet für Fahrzeuge mit Start/Stopp-Automatik?

Yes, the Axton A401 is fully compatible with vehicles that have a start/stop system. This advantage is particularly relevant for modern vehicles where the engine is automatically turned off when stationary to reduce fuel consumption. The A401 detects the stopping and starting of the engine and adjusts seamlessly without affecting sound or operation. This integrated protection ensures that the amplifier continues to function flawlessly without being disturbed by sudden voltage fluctuations. This makes it a reliable choice for current vehicle generations.

Welche Frequenzgangparameter hat der Axton A401 Verstärker?

The frequency response of the Axton A401 amplifier ranges from 10 Hz to 35 kHz, covering a wide spectrum of audio frequencies. This advantage is particularly evident in the low-frequency range, as tones with very low frequencies become audible, while high frequencies are reproduced clearly and in detail. This makes the A401 suitable for a variety of music genres and ensures an accurate reproduction of the desired sound characteristics. Its powerful sound spectrum makes this amplifier the centerpiece for audiophiles who prefer precise and uncolored music playback and do not want to leave any frequency range unaccented.

Welche technischen Vorteile bieten Class-D Verstärker wie der A401?

Class-D amplifiers, such as the Axton A401, use a digital circuit topology to achieve highly efficient power output. This technology minimizes power losses by converting input signals into high-frequency pulses. The efficiency of Class-D amplifiers typically exceeds 90%, which is why they produce less heat than traditional amplifier classes. This property allows for the construction of ultra-compact amplifier forms without compromising cooling performance. The low energy requirement makes Class-D amplifiers ideal for mobile applications, where efficiency and space-saving are crucial, such as in modern car sound systems.

Wie hoch ist der Signal-Rauschabstand des A401 und was bedeutet das für die Klangqualität?

The A401 from Axton comes with a signal-to-noise ratio of 85 dB, which is an excellent technical specification for amplifiers in its class. A higher signal-to-noise ratio indicates that the useful signal is significantly above the background noise, leading to clearer and more unadulterated sound reproduction. Especially in sensitive audio systems where nuances matter, this value guarantees sound purity and reduces the risk of noise interference. This specification is crucial for powerful car sound systems to enjoy clear, detailed sound even at high volumes.

Manufacturer information / responsible person

ACR Brändli + Vögeli AG
Roland Brändli
Bohrturmweg 1
5330 Bad Zurzach
Switzerland

EU responsible person:
ACR S + V GmbH
Industriestr. 35
79787 Lauchringen
Germany

Contact: compliance@acr.eu