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ESX HLC4 High-Low Adapter
SKU:  HLC4
EAN:  4251476403543

HLC4

SKU:  HLC4
EAN:  4251476403543

Technical Highlights

  • Operating voltage 10-16V, slew rate 9V/µS, channel separation 80dB.
  • Signal-to-noise ratio > 95dB, transmission frequency 5Hz-60KHz.
  • RCA output 2.36Vrms, quiescent current <10mA @14.4V, EPS.
  • More technical details
€59,00
€59,00 €59,00
5% discount with credit card
inkl. VAT , possibly plus shipping
Delivery
Jun 5, - Jun 8,
x piece
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The ESX HLC4 is a 4-channel high-low adapter with RCA I/O, level dials, LED clip indicator, and easy Plug Play installation for car audio systems.
€59,00
€59,00 €59,00

HLC4 by ESX

The HLC4 from ESX is a 4-channel High-Low Adapter. It functions as a 4-channel high-level/low-level signal converter with plug & play installation and modern SMD technology. Equipped with a level controller with clipping LED, full balanced input circuit, automatic turn-on function, and error protection system. The high-level inputs are equipped with EPS. The RCA output is unbalanced and delivers 2.36 Vrms. Technical specifications include an operating voltage of 10–16 V, a signal-to-noise ratio > 95 dB, a channel separation of 80 dB, a slew rate of 9 V/µs, and a transmission frequency of 5 Hz–60 kHz (+/-1 dB). The quiescent current is < 10 mA (at 14.4 V), and the dimensions are 62 x 70 x 21 mm.

Features
  • 4-channel High-Low Adapter
  • Plug & play installation
  • SMD technology
  • Level controller with clipping LED
  • Full balanced input circuit
  • Automatic turn-on function (Auto Turn-On)
  • High-level inputs with error protection system (EPS)
  • Unbalanced RCA output
Technical Data
  • Operating voltage 10–16 V
  • Signal-to-noise ratio > 95 dB
  • Channel separation 80 dB
  • Slew rate 9 V/µs
  • Transmission frequency 5 Hz – 60 kHz (+/-1 dB)
  • Quiescent current < 10 mA at 14.4 V
  • RCA output voltage 2.36 Vrms
  • Dimensions 62 x 70 x 21 mm

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ESX HLC4 Datasheet

Open datasheet

Frequently Asked Questions about HLC4

What are the technical features of the HLC4 Adapter?

The HLC4 from ESX is an advanced 4-channel high/low level signal converter for OEM integration of Amplifiers. It features an Auto Turn-On System that generates a turn-on signal for amplifiers. With an operating voltage of 10-16V, it operates reliably. The HLC4 offers a signal-to-noise ratio of over 95dB and a channel separation of 80dB, ensuring clean signal processing. The slew rate is 9V/µS, allowing for fast signal changes. The transmission frequency ranges from 5Hz to 60kHz, covering a wide sound spectrum. Notably, it has an Error Protection System (EPS) that prevents error messages with OEM factory radios.

What advantages does the Full Balanced input circuit in the HLC4 offer?

The Full Balanced input circuit of the HLC4 reduces unwanted noise that can be caused by ground loops. This is particularly important when integrating into vehicles to ensure clear sound quality. This circuit processes the audio signal symmetrically, counteracting external interference. The HLC4 utilizes this to enable interference-free audio transmission even with complex wiring. This is crucial in vehicles with sensitive electronics to minimize interference, leading to better overall performance of the aftermarket amplifier. Thus, the technology contributes to an enhanced audio experience.

How does the Error Protection System (EPS) work in the HLC4?

The Error Protection System (EPS) of the HLC4 is designed to prevent any functional losses or error messages when integrating with OEM factory radios. It continuously analyzes the connection and audio path, ensuring through its advanced technology that the vehicle's audio system remains unchanged. This is especially important in modern vehicles, where removing or altering components could lead to system errors. The EPS ensures that the adapter functions without error messages even in problematic vehicles. This guarantees a stress-free installation with maximum compatibility with the existing vehicle architecture.

What impact does the signal-to-noise ratio in the HLC4 have on audio quality?

A signal-to-noise ratio of over 95dB in the HLC4 indicates that the device is capable of transmitting the audio signal with a very low noise level. This has direct implications for audio quality, both in terms of clarity and dynamics of sound. The higher the signal-to-noise ratio, the lower the background noise or interference that may occur in the signal path. This is especially important for music lovers who want to hear the finest details and nuances of their music. The HLC4 allows for the integration of amplifiers in vehicles to achieve the best possible sound reproduction with minimal interference.

What role does the quiescent current play in the HLC4 from ESX?

The quiescent current of the HLC4 is extremely low at under 10mA at 14.4V. This means that the adapter consumes minimal energy in standby mode, which is beneficial for the vehicle's battery and extends its lifespan. This is crucial in vehicles that are not started for extended periods to prevent unintentional battery discharge. The low quiescent current ensures that the adapter can remain in standby mode without having a noticeable impact on the vehicle's energy. This is not only environmentally friendly but also practical for everyday use.

How is the installation of the HLC4 in the vehicle carried out?

The installation of the HLC4 is extremely user-friendly using a plug & play method. With dimensions of 62 x 70 x 21mm, the adapter is compact and can be accommodated in many locations within the vehicle. It is important to minimize the distance to the power source and signal connections to avoid losses or interference. The correct installation involves connecting the high-level inputs and the unbalanced outputs, which are not symmetrical. Ensure that the adapter is securely held and cannot slip. The EPS technology prevents error messages in the vehicle, making the installation particularly straightforward.

What frequency transmission bandwidth does the HLC4 offer?

The HLC4 features an impressive transmission frequency of 5 Hz to 60 kHz, which encompasses both the deepest bass and the highest treble in the context of audio systems. This bandwidth ensures that no detail of the music is lost, whether it involves low bass notes or sharp highs. The transmission frequency is critical for fidelity and ensures that sound distortions are avoided. Users of the HLC4 can expect precise and complete sound representation, which is particularly significant in high-quality audio installations. This enables a comprehensive music experience.

Which car brands are directly compatible with the HLC4?

The HLC4 from ESX is designed to work universally with most OEM factory radios. Although no specific car brands are mentioned in the product description, compatibility is often provided with common brands. Important criteria for its use include delivery with correct signal level consideration and EPS technology, which has been explicitly developed to function smoothly with modern vehicles. Due to the general design language and electrical specifications (10-16V operating voltage), the HLC4 can be integrated into numerous vehicle models from brands like BMW, Audi, or Volkswagen. A thorough check of specific compatibility with the manufacturer would be advisable.

What installation specifics are there for the HLC4?

The HLC4 offers a compact design through its modern SMD technology, allowing for flexible installation. A special highlight is the plug & play capability, which enables even non-technical users to install and operate the adapter relatively effortlessly. You should consider that all connections are secure and protected from external influences when choosing a location in the vehicle. It is advisable to position the device so that the LED indicators for the operating status and any clipping are easily visible. This facilitates monitoring and adjustment of the level controller if necessary. The installation location should ideally be free from mechanical impacts.

How does the channel separation of the HLC4 affect audio performance?

The HLC4 offers a channel separation of 80dB, ensuring that signals do not cross over between channels. This high separation allows for precise representation of stereo sources by cleanly isolating and processing the influences of the left and right channels. The result is a clear stereo experience with precise positioning of sound sources in the acoustic space, which is particularly beneficial for music with a wide dynamic range and complex soundscapes. Such a degree of separation helps to preserve even the finest details in music playback, which is especially appreciated by Hi-Fi enthusiasts.

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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