3. Car Amplifier
  5. AU75.4

AU75.4

105 Watt

AU75.4

Technical Highlights

  • Power: 4x75W RMS @4Ohm, 4x105W @2Ohm, 2x210W @4Ohm bridged.
  • Filter: HP 15Hz-3500Hz, LP 35Hz-3500Hz, Bandpass, Bass Boost.
  • Safety: 2x30A fused, auto-on, 2/4 channel.
  • More technical details
€250.00
€250.00 €250.00
2% discount with credit card

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ProductAU75.4

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Estimated delivery: Sep 15–Sep 18.
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1 year extra warranty

Every product purchased from Masori includes an additional year of warranty in the third year after purchase (months 25–36). We cover repair or replacement free of charge for covered warranty claims. Automatic and free – exclusively for Masori customers. Your statutory rights remain unaffected.

Warranty terms
Audio System ItalyAU500.1
Audio System Italy-AU500.1-1-Kanal Verstärker-masori-kaufen
Audio System Italy-AS4120 24V-4-Kanal Verstärker-masori-kaufen
Audio System ItalyAS4120 24V
Audio System Italy-AU75.4-4-Kanal Verstärker-masori-kaufen
€250.00
€250.00 €250.00

More power than AU75.4 here!

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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

What power does the Audio System Italy AU75.4 Amplifier provide?

The Audio System Italy AU75.4 Amplifier offers impressive performance specifications that vary depending on bridging and resistance. At 4 Ohm, it delivers four channels with 75 Watts RMS each, while at 2 Ohm it provides 105 Watts per channel. Bridged, the amplifier reaches 210 Watts at 4 Ohm. This flexibility allows the amplifier to be suitably adapted for both smaller and larger speaker applications. This power, combined with a frequency response of 5 Hz to 25,000 Hz, guarantees a powerful and balanced sound that reproduces both fine details and strong bass.

How large is the Audio System Italy AU75.4 Amplifier and how much does it weigh?

The Audio System Italy AU75.4 Amplifier is compact, making it ideal for a variety of installations. It measures 302 mm in length, 59 mm in height, and 195 mm in width. Weighing 2.9 kg, it is easy to handle and install, which is a significant advantage when mounting in tight spaces. Especially if you want to save space in your vehicle, this small form factor offers a convenient option.

How can the filter system of the AU75.4 be adjusted?

The AU75.4 Amplifier features a sophisticated filter system for sound adjustment. Channels 1 and 2 have modification options for full and high-pass from 15 Hz to 3500 Hz. Channels 3 and 4 also offer low-pass options from 35 Hz to 3500 Hz and can operate in both bandpass and high-pass modes between 15 Hz and 3500 Hz. These filter settings allow for precise adjustments of the sound characteristics to optimally match the amplifier to the speaker environment and personal sound preferences.

Is the AU75.4 Amplifier from Audio System Italy equipped with bass boost?

Yes, the AU75.4 Amplifier is equipped with a bass boost function that allows adjustment between 0 and +12 dB at 45 Hz. This function enables targeted enhancement of the bass range, which particularly provides more punch and depth at low frequencies. Especially if you enjoy listening to music loudly or prefer an intense sound experience, the bass boost offers the necessary flexibility to enhance the low-frequency range according to your listening preferences.

What input options are available on the AU75.4 Amplifier?

The AU75.4 offers a variety of input options, making it extremely flexible. It features a 2/4 channel input selection and supports high-level inputs with an auto turn-on function. This function simplifies installation by automatically turning on the amplifier as soon as a signal is detected. This eliminates the need for a separate remote control for amplifier operation and simplifies the installation process by connecting directly to existing speaker signals in the vehicle.

How is voltage safety ensured with the Audio System Italy AU75.4?

The AU75.4 Amplifier provides reliable voltage protection with 2 x 30 A fuses. This protection safeguards the amplifier against overvoltage and overcurrent that could lead to damage. Safe operation is thus ensured, which is particularly important when integrating into vehicle electronics, as these safety devices can absorb potential voltage peaks. This function is essential to ensure the amplifier's sustained performance and longevity.

How do you install the AU75.4 Amplifier in the car?

When installing the AU75.4 Amplifier in the car, the compact dimensions of 302 x 59 x 195 mm are advantageous. This allows for flexible installation in tight spaces, such as under seats or in the trunk. The multi-channel inputs, including high-level input, facilitate connection without the need for additional converters. The auto turn-on function simplifies integration into existing systems by allowing connection to already installed wiring structures without extensive modifications.

What frequency ranges does the AU75.4 Amplifier cover?

The AU75.4 Amplifier from Audio System Italy offers a comprehensive frequency range of 5 Hz to 25,000 Hz. This bandwidth allows for the clear and detailed reproduction of both the deepest sub-bass and the highest treble. For music lovers, this means that neither detail nor clarity is lost, whether you want to enjoy bass-heavy electronic music or classical pieces. The wide frequency range enhances the versatility of the amplifier and its suitability for different music genres.

What technical design does the Audio System Italy AU75.4 Amplifier have?

The AU75.4 Amplifier features Class A/B design, which provides high sound quality. Class A/B amplifiers combine the advantages of Class A amplifiers, known for their excellent linearity and sound quality, with the efficiency of Class B amplifiers. This special design reduces distortion and ensures precise sound reproduction, significantly enhancing the listening experience and ensuring fine reproduction of sound nuances, regardless of the volume of the music material used.

Can the AU75.4 Amplifier be integrated into different car models?

The Audio System Italy AU75.4 is flexible in use due to its dimensions of 302 x 59 x 195 mm, making it suitable for a variety of vehicles. However, attention should be paid to the available space for integration. Thanks to its high-level inputs, the amplifier can be directly connected to the existing speaker connections, making it particularly suitable for vehicles without elaborate sound systems. Installation locations such as the trunk or under the seats are recommended depending on the model.

Manufacturer information/responsible person

fortissimo
Dietmar Carle
Bahnhofstr. 23
88048 Friedrichshafen Kluftern
Germany

Contact: didi@fortissimo.de"

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