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  5. AU75.4
Audio System Italy AU75.4 4-channel amplifier
SKU:  AU75.4
EAN:  7427135689444
105 Watt

AU75.4

SKU:  AU75.4
EAN:  7427135689444

Technical Highlights

  • 75W power at 2 ohms, 210W bridged at 4 ohms, frequency 5-25000 Hz.
  • Small and handy, 4x75W RMS @4Ohm, 4x105W RMS @2Ohm, weight 2.9 Kg.
  • Equipped with BASS BOOST, BandPass, Auto-Turn On, 2 x 30A fused.
  • More technical details
€250,00
€250,00 €250,00
5% discount with credit card
inkl. VAT , possibly plus shipping
Delivery
Jun 13, - Jun 16,
x piece
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AU75.4 by Audio System Italy Description

Discover the AU75.4, a high-quality 4-channel amplifier from Audio System Italy that delivers excellent sound in a compact size. Manufactured in Italy by Steg, it offers power capabilities of 75 watts at 2 ohms up to 210 watts at 4 ohms bridged and a frequency range of 5 Hz to 25,000 Hz. Thanks to a wide-ranging filter spectrum and flexible adjustments, the AU75.4 also impresses in terms of sound quality. With its compact dimensions of 195 x 59 x 302 mm and a weight of 2.9 kg, it is also easy to handle and deploy.

Technical Data

  • 4-channel Class A/B amplifier
  • 4x75W RMS @4Ohm
  • 4x105W @2Ohm
  • 2x210W @4Ohm
  • CH1/2: Full, HP 15Hz - 3500Hz / 12dB
  • CH3/4: Full, LP 35Hz - 3500Hz, HP 15Hz - 3500Hz, BandPass
  • BASS BOOST 0 +12 dB @ 45Hz
  • 2/4 Kanal Input Selection
  • HighLevel Input with Auto-Turn On
  • 2 x 30A fused
  • L x H x W: 302 x 59 x 195 mm

Frequently Asked Questions about AU75.4

Welche Leistung bietet der AU75.4 Verstärker auf unterschiedlichen Ohm?

The AU75.4 amplifier from Audio System Italy offers varying output power depending on the ohm resistance. It delivers 75 watts RMS at 4 ohms per channel, which is sufficient for most speaker configurations. If the load increases to 2 ohms, the output power rises to 105 watts RMS per channel, supporting power-intensive applications. When bridging the amplifier, it achieves an impressive 210 watts RMS at 4 ohms, which is ideal for stronger subwoofer setups. This flexibility in power allows for adaptation to a variety of audio applications. Especially for finely tuned music lovers, this amplifier is a good choice.

Welches Frequenzspektrum deckt der AU75.4 ab?

The AU75.4 from Audio System Italy offers a wide frequency spectrum from 5 Hz to 25,000 Hz. This ensures precise reproduction of both the deepest bass and the highest tones, enhancing the overall sound experience. The frequency range is excellent for hi-fi-oriented applications and ensures that no details in the sound are lost. With the included bandpass and high-low pass filters, the frequency ranges can be further adjusted. This makes the AU75.4 a flexible amplifier in various sound environments. Especially with bass-heavy tracks, the expansion options pay off particularly well.

Wie kompakt sind die Maße des AU75.4?

The AU75.4 amplifier is characterized by its compact dimensions, measuring 302 mm in length, 59 mm in height, and 195 mm in width. These small dimensions allow for flexible installation in various vehicle types or cabinets without significant space issues. Weighing 2.9 kg, the amplifier is also light enough for easy handling and installation. Especially when you need to fit the amplifier in tight spaces, these compact dimensions are advantageous as they allow for installation options without major adjustments.

Wie werden die Filtereinstellungen des AU75.4 umgesetzt?

The filter settings of the AU75.4 amplifier offer high flexibility for sound optimization. The amplifier features a complete frequency filter set. For channels 1 and 2, you have the choice between full range and high-pass (HP) with a variation range of 15 Hz to 3500 Hz at a 12 dB attenuation. For channels 3 and 4, low-pass (LP) and band-pass options are also available, with the LP settings varying from 35 Hz to 3500 Hz. These options provide you with comprehensive control over your sound characteristics, which can be adjusted according to individual preferences.

Wie funktioniert der Bass Boost beim AU75.4?

The AU75.4 amplifier offers an adjustable bass boost that ranges from 0 to +12 dB at 45 Hz. This feature allows for targeted enhancement of the lowest frequencies and is particularly useful if you prefer powerful bass. By adjusting the bass boost, you can specifically improve the sound character of your audio system. This can achieve a noticeably more intense bass reproduction, especially for fans of electronic or bass-heavy music tracks. The benefits of this feature are particularly evident in the low-frequency performance of subwoofers.

Welche Eingangsmöglichkeiten stehen beim AU75.4 zur Verfügung?

The AU75.4 amplifier offers both a 2-channel and a 4-channel input, allowing for flexible connection options. Additionally, it features a high-level input with an auto-turn-on function. This automation simplifies the connection to factory audio systems, as the amplifier is automatically activated as soon as an audio signal is detected. Thanks to these flexible input options, the AU75.4 is capable of harmonizing with different audio systems and concepts without the need for external triggers. These application possibilities highlight the versatility of the amplifier.

Ist der AU75.4 mit gängigen Automarken kompatibel?

The AU75.4 from Audio System Italy is compatible with a variety of car brands due to its compact dimensions and technical specifications. Thanks to its dimensions of 302 x 59 x 195 mm, it can be flexibly installed in different vehicles. However, the technical requirements of the speakers and the power supply in the vehicle should be checked to ensure optimal performance. Generally, such amplifiers are standardized and can be easily integrated into many common vehicle models, but it is advisable to verify the specific requirements.

Wie funktioniert die Auto-Turn-On-Funktion beim AU75.4?

The Auto Turn-On function of the AU75.4 provides a convenient way to make the amplifier operational without the need for an additional control cable. This function automatically activates the amplifier as soon as an audio signal is detected through the high-level input. This advanced feature is particularly useful for minimizing installation effort and ensures that the audio system is always ready without manual intervention. Especially in vehicles with complex electronic systems, this function can significantly simplify integration, as it operates independently of the otherwise necessary wiring.

Welche Vorteile bietet der AU75.4 bei der Installation?

The AU75.4 offers various advantages that facilitate installation. Its compact dimensions of 302 x 59 x 195 mm allow for flexible installation locations in the car, whether under the seat or in the trunk. The lightweight construction of only 2.9 kg further eases handling. Additionally, the high-level inputs combined with the auto-turn-on function significantly reduce wiring effort. Even in tight vehicles or with complex audio systems, these features enable a simplified and time-efficient installation. All of this is ideal when a quick, uncomplicated integration is desired.

Welche Absicherung erfordert der AU75.4 Verstärker?

The AU75.4 amplifier is equipped with two 30A fuses, indicating a high-quality power output with stable supply. This fuse protection provides reliable protection against electrical overloads that may occur during operation. Especially in vehicles with extensive electronic equipment, this dual fuse is a plus for safety. This two-part fuse configuration not only ensures operational safety but also provides a basis for smoothly and safely integrating the amplifier into various audio systems.

Manufacturer information / responsible person

fortissimo
Dietmar Carle
Bahnhofstr. 23
88048 Friedrichshafen Kluftern
Germany

Contact: didi@fortissimo.de"