3. HF-SC4 / ISO

HF-SC4 / ISO

3 reviews

HF-SC4 / ISO

3 reviews

Technical Highlights

  • Transmission frequency 5-60 kHz, signal-to-noise ratio >115 dB.
  • -
  • Power: up to 50 W RMS per channel at 2 ohms, 5 V/RMS output.
  • -
  • Distortion factor THD+N 0.001%, 4 x RCA output, summing function.
  • More technical details
€63.65
-8% €69.00 €63.65
2% discount with credit card

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ProductHF-SC4 / ISO · HF-SC4

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execution: HF-SC4
Estimated delivery: Sep 21–Sep 24.
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1 year extra warranty

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A black Hifonics HF-SC4 / ISO high-low adapter features labeled input/output ports, a circuit diagram, and control switches on top.
€63.65
€69.00-8% €63.65

The Hifonics HF-SC4 / ISO is a High-Low Adapter with 4 channels and an integrated summing function. The MIXED function via switch generates a full-range signal at the outputs. Auto Turn On, Remote Out, and Start Stop capabilities are integrated. EPS protection circuit and a floating ground that can be activated via jumper are available. The 4 x RCA outputs (unbalanced) deliver 5 V RMS, while the 4 x high-level inputs handle up to 10 V RMS; the signal-to-noise ratio is 115–121 dB, the transmission frequency is 5–60 kHz, and THD+N is 0.001%. An ISO wiring harness for power and speakers with a length of 30 cm and dimensions of 97 x 25 x 75/82 mm are specified. High Input up to 10 V RMS corresponds to 25 W RMS at 4 Ohm and 50 W RMS at 2 Ohm.

Features
  • High-Low Adapter
  • 4-channel high to low level converter with summing function
  • MIXED function via switch
  • Automatic turn-on function
  • Remote Out
  • Start Stop capable
  • EPS protection circuit
  • Floating ground jumper
  • 4 x RCA output (unbalanced) with 5 V RMS
  • 4 x high-level input up to 10 V RMS
  • ISO wiring harness for power and speakers, 30 cm
Technical Specifications
  • THD+N 0.001%
  • Signal-to-noise ratio 115–121 dB
  • Transmission frequency 5–60 kHz
  • High Input up to 10 V RMS corresponds to 25 W RMS at 4 Ohm
  • High Input up to 10 V RMS corresponds to 50 W RMS at 2 Ohm
  • Dimensions 97 x 25 x 75/82 mm

Frequently Asked Questions about HF-SC4 / ISO

How does the Hifonics HF-SC4 / ISO Signal Converter work for noise suppression?

The Hifonics HF-SC4 / ISO Signal Converter utilizes advanced technologies for noise suppression, including an impressively high signal-to-noise ratio of over 115 dB. The integration of the "Floating Ground" concept helps minimize potential interference signals. A plug-in bridge allows for the activation of this feature to ensure optimal sound quality when connected to different vehicle radios with load detection. Additionally, the THD+N value of only 0.001% ensures an almost distortion-free sound experience. High-quality components and precise electronics make this converter an ideal partner for demanding audio applications in vehicles.

Can the HF-SC4 / ISO Converter be connected to any car radio?

The HF-SC4 / ISO Converter is specifically designed for connection to conventional car radios that can deliver up to 50 watts RMS per channel at 2 ohms. Thanks to the built-in EPS protection circuit, it can also be used with factory radios that have an integrated load detection circuit. The converter accepts high-level inputs up to 10 V RMS, which corresponds to a power of approximately 25 to 50 watts RMS at 4 or 2 ohms, respectively. This allows for versatile compatibility with most factory systems while ensuring top-notch audio processing.

What are the dimensions of the Hifonics HF-SC4 / ISO and where can it be installed in the car?

The Hifonics HF-SC4 / ISO measures a compact 97 x 25 x 75/82 mm, allowing for easy installation in various vehicle environments. Due to its small size, it can be easily placed under a seat or behind the dashboard. It requires minimal space and can be conveniently connected using the ISO wiring harness for power and speakers. This significantly facilitates integration into existing audio systems and ensures that the converter does not compromise the visual or functional aesthetics of the vehicle.

How does the HF-SC4 / ISO support the summation of separate frequency ranges?

The HF-SC4 / ISO features a special summing function that allows frequency ranges of new vehicles to be combined, which are already electrically separated from the factory. This is often necessary when the original signal is not fully transferable. When the "MIXED" function is activated via a switch, the converter sums the split output signals of the vehicle system into a complete full-range signal. This enables external Amplifiers and DSPs to be optimally controlled. This capability makes the HF-SC4 / ISO particularly valuable for complex sound upgrades in modern vehicles.

What power can the HF-SC4 / ISO converter handle?

The Hifonics HF-SC4 / ISO converter is capable of processing high-level audio signals of up to 10 V RMS, which corresponds to a power of about 25 to 50 watts RMS at 4 or 2 ohms respectively. This specification shows that it is suitable for use with a variety of car radios, including modern high-power systems. The converter is designed to convert these signals with minimal distortion at an impressively low THD+N rate of 0.001%. This contributes to excellent sound quality and significantly enhances the listening experience.

What should be considered when installing the HF-SC4 / ISO?

When installing the HF-SC4 / ISO signal converter, you should ensure that there is enough space for the dimensions of 97 x 25 x 75/82 mm. The installation location should be dry and dust-free to ensure the maximum operational capability of the device. Furthermore, the ISO wiring harness should be correctly connected to the power and speaker terminals. It is crucial to maintain the correct levels and polarity when connecting the high-level inputs to avoid errors. Configuring the "Floating Ground" jumper can help minimize interference noise.

What advantages does the integrated EPS protection circuit in the HF-SC4 / ISO converter offer?

The EPS protection circuit in the HF-SC4 / ISO converter is particularly helpful in protecting the device from potential damage due to overload or load drop. This protection mechanism is perfectly tuned for radios that have a load detection circuit. The EPS function protects the device by detecting and responding to uncontrolled load deviations. This increases the lifespan of the converter and ensures that it operates under optimal conditions. The EPS technology thus helps to ensure stable operating conditions and minimize unwanted downtime.

What connections does the HF-SC4 / ISO offer for external devices?

The Hifonics HF-SC4 / ISO is equipped with four unbalanced RCA outputs that provide an output voltage of up to 5 V RMS. These outputs can be directly connected to external amplifiers or digital signal processors. Additionally, the converter features a remote output function that generates a turn-on signal for additional devices, ensuring that all connected units are activated simultaneously. This connectivity allows for precise and powerful expansion of existing audio systems to achieve the highest audio quality without compromising functionality.

What frequency ranges does the HF-SC4 / ISO cover?

The HF-SC4 / ISO covers a wide transmission frequency range from 5 Hz to 60 kHz. This ensures that both the lowest bass frequencies and high, clear treble can be transmitted without loss of quality. Such a frequency range guarantees detailed sound reproduction while providing the flexibility to play various music styles and audio sources. This specification makes the converter an ideal component for comprehensive audio system installations, as it can cover the entire range of human hearing and beyond.

Is the HF-SC4 / ISO compatible with modern vehicle systems?

Yes, the HF-SC4 / ISO is specifically designed to seamlessly harmonize with modern vehicle systems. The summing function is particularly useful when frequency ranges in the vehicle are controlled separately, which is the case with many newer models. With support for up to 50 watts RMS per channel and a high-level signal of up to 10V RMS, it adapts to many original systems. Additional features like EPS and "Floating Ground" make it ideal for complex sound systems in modern vehicles by preventing interference and ensuring improved sound quality.

Manufacturer information/responsible person

Audio Design Loudspeaker Sales GmbH
Am Breilingsweg 3
76709 Kronau
Germany

Authorized Managing Director:
Bruno Dammert

Contact: info@audiodesign.de

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