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  3. HLC2 RTC Quadlock 40

Audio System HLC2 RTC Quadlock 40 High-Low Adapter

Audio System HLC2 RTC Quadlock 40 High-Low Adapter

Technical Highlights

  • 2-way high-low adapter, Quadlock connector, OEM connection. Compatible with BMW, Ford, and Mercedes, flexible use. Length 750mm, ideal for sound systems, high quality.
  • More technical details
€75,00
€75,00 €75,00
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Mar 22, - Mar 25,
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€75,00
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HLC2 RTC Quadlock 40 by Audio System

The HLC2 RTC Quadlock 40 from Audio System is a high-low adapter that offers versatile integration for various requirements. This 2-way adapter with a 40-pin QUADLOCK connector allows you to easily connect external amplifiers to factory radios without RCA outputs. Equipped with innovative HPI technology, it is also suitable for powerful OEM amplifiers up to 100 W RMS. The adapter offers universal compatibility, allowing it to seamlessly integrate into all common OEM sound systems. Intelligent signal detection ensures that a remote signal is automatically generated. Additional features such as interference-free operation and maximum sound quality, supported by low-noise operational amplifiers, complete the offering. With a length of 350mm, the HLC2 RTC Quadlock 40 provides flexible connections for subwoofers or front signals and is expandable with an optional level remote control.

Features 

  • 2-way high-low adapter with QUADLOCK 40 connector
  • HLC2 EM including 40-pin Quadlock connector
  • for connections as subwoofer or front signal
  • Length: 350mm
  • Premium 2-channel high-low converter: Allows for easy connection of external amplifiers to factory radios without RCA outputs.
  • HPI technology for high performance: Thanks to innovative HPI technology, also suitable for powerful OEM amplifiers up to 100 W RMS.
  • Universal compatibility: Seamlessly integrates into all common OEM sound systems and factory radios.
  • Intelligent signal detection: Automatically generates a remote signal to activate the amplifier via BTL mode or precise SE signal detection.
  • Interference-free enjoyment: Effectively prevents annoying power-on noises (pops) and minimizes external interference signals.
  • Audiophile sound quality: Equipped with low-noise operational amplifiers for crystal-clear sound.
  • Powerful output: 5-volt preamplifier technology at the RCA output ensures optimal control of the amplifier.
  • Smart load simulation: The modern PRS circuit simulates connected speakers to avoid error messages in modern vehicle diagnostic systems.
  • Flexible control: Optional connection for an external level remote control (RTC) for convenient volume adjustment.
  • Precise shutdown automation: Integrated shutdown delay ensures that the system only powers down when there is truly no signal present.

Compatibility 

BMW

  • 1 Series (E81 / E82 / E87 / E88): 2004 – 2013 (*SH)

  • 1 Series (F20 / F21): 2011 – 2019 (*SH)

  • 2 Series (F22 / F23 / F45 / F46 / F87): 2013 – 2021 (*SH)

  • 3 Series (E46): 2004 – 2006 (*SH)

  • 3 Series (E90 / E91 / E92 / E93): 2005 – 2013 (*SH)

  • 3 Series (F30 / F31 / F34): 2011 – 2019 (*SH)

  • 4 Series (F32 / F33 / F36): 2013 – 2021 (*SH)

  • 5 Series (E39): 2003 – 2004 (*SH)

  • 5 Series (E60 / E61): 2003 – 2010 (*SH)

  • 5 Series (F10 / F11 / F18): 2010 – 2017 (*SH)

  • 6 Series (E63 / E64): 2003 – 2010 (*SH)

  • 6 Series (F06 / F12 / F13): 2011 – 2018 (*SH)

  • 7 Series (E65 / E66 / E67 / E68): 2001 – 2008 (*SH)

  • 7 Series (F01 / F02 / F03 / F04): 2008 – 2015 (*SH)

  • X1 (E84): 2009 – 2015 (*SH)

  • X1 (F12): 2015 – 2022 (*SH)

  • X3 (E83): 2003 – 2010 (*SH)

  • X3 (F25): 2010 – 2017 (*SH)

  • X4 (F26): 2014 – 2018 (*SH)

  • X5 (E53): 2005 – 2006 (*SH)

  • X5 (E70): 2006 – 2013 (*SH)

  • X5 (F15): 2013 – 2018 (*SH)

  • X6 (E71): 2008 – 2014 (*SH)

  • X6 (F16): 2014 – 2019 (*SH)

  • Z4 (E85): 2006 – 2008 (*SH)

  • Z4 (E89): 2009 – 2016 (*SH)

Ford

  • C-Max (C214): 2003 – 2010 (*OS)

  • Fiesta (JH1 / JD3): 2006 – 2008 (*OS)

  • Focus MK2 (DA3): 2004 – 2011 (*OS)

  • Fusion: 2005 – 2012 (*OS)

  • Galaxy MK2 (WA6): 2006 – 2015 (*OS)

  • Kuga (DM2): 2008 – 2012 (*OS)

  • Mondeo (BA7): 2004 – 2014 (*OS)

  • Mondeo MK3 (B4Y / B5Y / BWY / BA7): 2004 – 2014 (*OS)

  • S-Max (1st Gen.): 2006 – 2014 (*OS)

  • Transit (4th Gen.): 2006 – 2013 (*OS / *POF)

  • Transit Connect (1st Gen.): 2004 – 2013 (*OS)

Mercedes-Benz

  • A-Class (W169): 2004 – 2012 (*OS)

  • A-Class (W176): 2012 – 2018 (*OS)

  • B-Class (T245): 2005 – 2011 (*OS)

  • B-Class (W242 / W246): 2011 – 2018 (*OS)

  • B-Class (W247): 2018 – 2022 (*OS)

  • C-Class (W203): 2004 – 2007 (*OS / *POF)

  • C-Class (W204): 2007 – 2015 (*OS)

  • C-Class (W205): 2018 – 2021 (*OS)

  • CLA (C117): 2013 – 2020 (*OS)

  • CLK (W209): 2004 – 2009 (*OS)

  • E-Class (W211): 2003 – 2009 (*OS)

  • E-Class (W212): 2009 – 2016 (*OS)

  • E-Class (W213): 2016 – 2022 (*OS)

  • GL (X164): 2006 – 2010 (*OS)

  • GLA (X156): 2013 – 2020 (*OS)

  • GLE (W166): 2015 – 2018 (*OS)

  • M-Class (W166): 2011 – 2015 (*OS)

  • ML (W164): 2005 – 2011 (*OS)

  • R-Class (W251): 2005 – 2017 (*OS)

  • SL (R230): 2003 – 2012 (*OS)

  • SL (R231): 2012 – 2020 (*OS)

  • SLC (R172): 2011 – 2020 (*OS)

  • SLK (R171): 2004 – 2011 (*OS)

  • Sprinter (W906): 2006 – 2018 (*OS)

  • Viano/Vito (W447): 2014 – 2022 (*OS)

  • Viano/Vito (W639): 2003 – 2014 (*OS)

Opel

  • Agila A: 2005 – 2007 (*OS)

  • Antara: 2006 – 2015 (*OS)

  • Astra H: 2004 – 2010 (*OS)

  • Combo C: 2006 – 2011 (*OS)

  • Corsa C / D: 2009 – 2014 (*OS)

  • Meriva A: 2006 – 2009 (*OS)

  • Signum: 2005 – 2008 (*OS)

  • Tigra TwinTop: 2004 – 2009 (*OS)

  • Vectra C: 2004 – 2008 (*OS)

  • Vivaro A: 2006 – 2010 (*OS)

  • Zafira (BA7): 2005 – 2014 (*OS)

Seat

  • Alhambra (1st Gen.): 2005 – 2010 (*OS)

  • Alhambra (2nd Gen.): 2010 – 2015 (*OS)

  • Altea: 2004 – 2015 (*OS)

  • Ibiza (6J / 6P): 2008 – 2017 (*OS)

  • Leon (1P): 2005 – 2012 (*OS)

  • Mii: 2011 – 2017 (*OS / *PRF)

  • Toledo (5P / NH): 2004 – 2014 (*OS)

Skoda

  • Citigo: 2011 – 2017 (*OS / *PRF)

  • Fabia (5J): 2007 – 2014 (*OS)

  • Octavia (1Z): 2004 – 2013 (*OS)

  • Rapid (NH): 2012 – 2017 (*OS / *PRF)

  • Roomster (5J): 2008 – 2015 (*OS)

  • Superb (3T): 2008 – 2013 (*OS)

  • Yeti (5L): 2009 – 2014 (*OS)

Volkswagen

  • Amarok (2H): 2010 – 2016 (*OS / *PRF)

  • Beetle (5C): 2011 – 2016 (*OS / *PRF)

  • Caddy (2K): 2003 – 2015 (*OS / *PRF)

  • Crafter: 2012 – 2014 (*OS)

  • EOS (1F): 2006 – 2015 (*OS)

  • Fox (5Z): 2005 – 2011 (*OS)

  • Golf 5 / 6 (1K): 2003 – 2012 (*OS)

  • Jetta 5 / 6 (1K2): 2005 – 2014 (*OS)

  • Passat 3B (B5): 2003 – 2005 (*OS / *R)

  • Passat B6 / B7 / CC: 2005 – 2015 (*OS)

  • Polo (9N3 / 6R): 2005 – 2014 (*OS)

  • Scirocco III: 2008 – 2014 (*OS)

  • Sharan (7N): 2010 – 2015 (*OS)

  • T5 (7H): 2003 – 2015 (*OS)

  • Tiguan (5N): 2007 – 2014 (*OS)

  • Touareg (7L / 7P): 2002 – 2014 (*OS)

  • Touran (1T): 2003 – 2015 (*OS)

  • up! (AA): 2011 – 2016 (*OS)

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Audio System HLC2 RTC Quadlock 40 Datasheet

Open datasheet

Frequently Asked Questions about HLC2 RTC Quadlock 40

What is the HLC2 RTC Quadlock 40 and what are its main features?

The HLC2 RTC Quadlock 40 from Audio System is a 2-way High-Low Adapter with an integrated QUADLOCK 40 Plug. This product allows the connection of external amplifiers to factory radios without RCA outputs. A highlight of the adapter is the HPI technology, which also supports powerful OEM Amplifiers with up to 100 W RMS. Additionally, the adapter offers universal compatibility with various OEM sound systems and features intelligent signal detection that automatically generates a remote signal to activate the amplifier. Furthermore, it is equipped with low-noise operational amplifiers that ensure a high-quality, clear sound image.

How is the HLC2 RTC Quadlock 40 integrated into the existing audio system of a vehicle?

The integration of the HLC2 RTC Quadlock 40 into an existing audio system is straightforward thanks to its universal compatibility. The adapter comes with a 350mm long cable and is equipped with a 40-pin Quadlock Plug, which is used in many OEM sound systems. For installation, you simply connect the adapter to the existing factory radio via the Quadlock Plug. The integrated smart load simulation using PRS circuitry ensures that no error messages are triggered by the vehicle's diagnostic system. Additionally, an external level remote control (RTC) can be connected for volume control if desired.

Is the HLC2 RTC Quadlock 40 compatible with my vehicle?

The HLC2 RTC Quadlock 40 is compatible with numerous vehicle brands and models, particularly with models from BMW, Mercedes-Benz, Ford, Opel, Volkswagen, Seat, and Skoda. Within these brands, there are a variety of models covered, such as the BMW 3 Series (E90/E91/E92/E93) from 2005–2013 or the VW Golf 5/6 (1K) from 2003–2012. This compatibility ensures that the adapter can be integrated into various sound systems without the need for additional adjustments or modifications. However, before purchasing, the specific model list should be checked to ensure that your vehicle is supported.

What technologies support the sound quality of the HLC2 RTC Quadlock 40?

The HLC2 RTC Quadlock 40 offers various technologies that optimize sound quality. Low-noise operational amplifiers are used to ensure a clear, distortion-free sound image. The adapter also prevents annoying power-on noises and minimizes external interference signals, contributing to an uninterrupted audio experience. The 5-volt preamplifier technology at the RCA output ensures optimal control of the amplifier, keeping the audio output precise and powerful. The intelligent signal detection via BTL mode or SE signal detection also contributes to sonic brilliance.

How does the intelligent signal detection work in the HLC2 RTC Quadlock 40?

The HLC2 RTC Quadlock 40 utilizes intelligent signal detection that operates via BTL mode or SE signal detection. This technology automatically detects an audio signal and generates a remote signal that activates the connected amplifier. This feature simplifies installation, as no additional control lines are required. Additionally, the integrated automatic shut-off ensures that the system is only deactivated when no signal is present, increasing energy efficiency and extending the amplifier's lifespan. This intelligent solution allows for seamless integration into modern audio systems.

What advantages does the HPI technology of the HLC2 RTC Quadlock 40 offer?

The HPI technology in the HLC2 RTC Quadlock 40 allows for the control of powerful OEM amplifiers with up to 100 W RMS. This technology ensures high power output that supports demanding audio applications. The HPI technique ensures the adequate conversion of signals from high to low, allowing external amplifiers to be optimally operated. This innovative technology is particularly beneficial for users who value strong performance and clear audio quality. The inclusion of this technology makes the adapter the ideal choice for high-quality audio setups in vehicles with demanding amplifier systems.

How does the HLC2 RTC Quadlock 40 prevent power-on noises?

The HLC2 RTC Quadlock 40 effectively minimizes turn-on noises, also known as pops, that can occur when activating audio equipment. This is achieved through the use of high-quality low-noise operational amplifiers and a precise circuit architecture that ensures interference-free signals. This technology ensures that audio transfers start stable and clear, without sudden volume spikes or unexpected noises. This feature is particularly important for users who value high sound purity and frequently turn their audio systems on and off without experiencing startling sound effects.

Why is the smart load simulation in the HLC2 RTC Quadlock 40 important?

The smart load simulation of the HLC2 RTC Quadlock 40, enabled by the PRS circuit, is essential for communication with modern vehicle diagnostic systems. This technology simulates the connection of speakers, thereby preventing error messages in the system. This is particularly significant for vehicles with complex electronic systems, as diagnostic systems can often be sensitive to unrecognized load changes. The load simulation ensures that the sound system operates without interference, without incorrectly displaying errors. This feature contributes to the reliability and functionality of the entire audio system in the vehicle.

How is the volume controlled on the HLC2 RTC Quadlock 40?

The HLC2 RTC Quadlock 40 offers the option to connect an external level remote control (RTC) for volume adjustment. This flexible control option allows the user to conveniently manage the volume without having to operate the main device. This is particularly advantageous in complex sound installations or when integrating into existing systems. This feature is ideal for audiophiles who want to customize their sound environment. It also ensures that volume changes can be made precisely and comfortably, significantly enhancing the usability of the audio system.

What preamplifier technology does the HLC2 RTC Quadlock 40 use?

The HLC2 RTC Quadlock 40 uses a 5-volt preamplifier technology at the RCA output. This enables powerful and effective control of the amplifier, which is particularly important when using external amplifiers. The high output voltage ensures clear signal transmission, guaranteeing distortion-free and precise sound. This not only optimizes performance but also maximizes sound quality. This preamplifier technology is specifically designed for users who employ external amplifiers in their vehicles and have audiophile demands for their audio installation.

Manufacturer information / responsible person

Axel Förderer
Audio System Germany
Falltorstraße 6
76707 Hambrücken
Germany

Contact: info@audio-system.de

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