Technical Highlights

  • 4x 85 WRMS @ 4 Ohm, full-Mosfet technology, very high efficiency.
  • Burr-Brown preamplifier, 1 Ohm stereo/2 Ohm mono stable, RDI.
  • Temperature-dependent fan cooling, MWPC safety system, 416x240x53 mm.
  • More technical details
Regular price €749.00
Regular price €749.00 selling price €749.00
2% discount with credit card

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ProductHX-85.4

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

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datasheet
Regular price €749.00
Regular price €749.00 selling price €749.00

The HX-85.4 is a 4-Channel Amplifier from Audio System with Full-Mosfet technology. The amplifier is stable at 1 Ohm stereo and 2 Ohm mono, and operates as an efficient analog amplifier with a very high efficiency. A Burr-Brown preamplifier, true direct in (RDI), and an efficient safety system (MWPC) are integrated. The signal processing includes variable phase shift from 0–360°, variable and switchable subsonic, as well as HP, LP, and BP filters with full active mode. A stepless temperature-dependent fan cooling system is present. The input sensitivity is 0.2–8 V. The dimensions are 416 x 240 x 53 mm.

Features
  • 4-Channel Amplifier
  • Full-Mosfet technology
  • Burr-Brown preamplifier
  • 1 Ohm stereo stable
  • 2 Ohm mono stable
  • true direct in (RDI)
  • stepless temperature-dependent fan cooling
  • efficient analog amplifier
  • very high efficiency
  • variable phase shift from 0–360°
  • variable and switchable subsonic
  • HP, LP, and BP filters
  • full active mode possible
  • efficient safety system (MWPC)
  • input sensitivity 0.2–8 V
Technical Data
  • 4 x 85 WRMS at 4 Ohm
  • 4 x 150 WRMS at 2 Ohm
  • 4 x 250 WRMS at 1 Ohm
  • 2 x 290 WRMS at 4 Ohm mono
  • 2 x 500 WRMS at 2 Ohm mono
  • Dimensions 416 x 240 x 53 mm

Frequently Asked Questions about HX-85.4


What technology does the HX-85.4 Amplifier use?

The HX-85.4 Amplifier from Audio System utilizes Full-Mosfet technology. This technology offers advantages in signal amplification through high efficiency and robust performance. Specifically designed for the car audio sector, it ensures better sound quality and optimizes the performance of speakers and subwoofers. The use of high-quality components, such as the Burr-Brown preamplifier, further enhances audio quality. Particularly, DIY enthusiasts and audio lovers who desire detailed sound reproduction will benefit from this technology.

What power specifications does the HX-85.4 offer?

The HX-85.4 Amplifier delivers impressive power specifications: 4x 85 WRMS at 4 Ohm, 4x 150 WRMS at 2 Ohm, and 4x 250 WRMS at 1 Ohm. For mono amplification, it provides 2x 290 WRMS at 4 Ohm and 2x 500 WRMS at 2 Ohm. This versatility allows for seamless integration into various audio systems. From 4-channel settings to stable mono amplification, the amplifier is adaptable and enables different configurations based on user needs and applications.

How does the phase setting differ in the HX-85.4?

The HX-85.4 Amplifier offers a variable phase shift from 0 to 360 degrees. This feature allows for precise adjustment of the phase relationship between speakers and subwoofers to compensate for phase issues and sound delays. In complex audio setups, especially when multiple speakers operate across systems, this phase shift ensures better sound and more homogeneity in the listening space. Audio technicians who value a wider and more coherent sound will find this feature essential.

What filter systems are integrated into the HX-85.4?

The HX-85.4 is equipped with a variety of variable and switchable filter systems, including subsonic, high-pass (HP), low-pass (LP), and band-pass (BP) filters. These allow for fully active control of the frequency ranges to fine-tune the sound. Automotive enthusiasts and audiophiles can precisely configure the frequency response of their car audio systems to minimize distortion and emphasize specific audio characteristics. The individual adjustability of these filters elevates the audio experience to a new level.

What are the dimensions and installation requirements for the HX-85.4?

The dimensions of the Audio System HX-85.4 are 416 x 240 x 53 mm, which must be considered during installation planning. The compact size is suitable for many vehicles while providing powerful performance. Be mindful of the available space during installation in the vehicle to ensure adequate ventilation and a secure fit. The continuously variable temperature-dependent fan cooling allows for efficient heat dissipation, which is especially beneficial in tight installation conditions.

What protection systems are integrated into the HX-85.4?

The HX-85.4 amplifier is equipped with a comprehensive safety system known as MWPC. This protects the amplifier from overload and short circuits, significantly increasing the longevity of the system. Especially in demanding installations, it is important that the amplifier is not jeopardized by unpredictable load spikes. Audio technicians appreciate the importance of such protection systems, as they not only safeguard the investment but also enhance the reliability and operational lifespan of the entire audio systems.

What design features characterize the HX-85.4?

The HX-85.4 from Audio System impresses with its elegant design, which combines technical expertise and aesthetic demands. The visual layout is not only functional but also complements the interior visually. The design also supports efficient heat dissipation, integrates the continuously variable temperature-dependent fan cooling, and makes the amplifier a stylish part of vehicle customization. Form and function go hand in hand, making the HX-85.4 particularly attractive to those who value both performance and visual integration.

How efficient is the HX-85.4 Amplifier?

The HX-85.4 impresses with a high efficiency, which directly affects energy consumption and heat generation. The efficient analog amplifier technology manages to deliver more sound power with less heat production, thereby conserving the vehicle's power supply. Tech enthusiasts appreciate the efficiency of an amplifier, especially when it comes to achieving maximum audio quality with low power consumption. This is a crucial factor when selecting the right amplifier, especially for extensive and complex car audio setups.

Does the HX-85.4 offer compatibility with input sensitivity?

Yes, the HX-85.4 offers a very wide input sensitivity range of 0.2 to 8 V. This allows integration with a variety of audio systems and source devices, whether for OEM systems or aftermarket solutions. The flexibility with input signals makes it easy and effective to integrate the amplifier into existing systems. For tech lovers, this means that tuning the audio system involves fewer complications, as the amplifier provides broad compatibility with various signal sources, significantly easing positioning and adjustment.

What advantages does the Burr-Brown preamplifier in the HX-85.4 offer?

The Burr-Brown preamplifier installed in the HX-85.4 is known for its precise signal processing and quality sound reproduction. The amplification of the incoming audio signal with minimal distortion ensures detailed and dynamic music playback. Especially for audio enthusiasts who value acoustic nuances, the Burr-Brown preamplifier is essential. It significantly optimizes the sound and plays a central role in maintaining the high-end audio quality offered by this amplifier, enhancing the enjoyment of high-quality music.

Manufacturer information/responsible person

Axel Förderer
Audio System Germany
Falltorstraße 6
76707 Hambrücken
Germany

Contact: info@audio-system.de

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