S3-Door Solution PRO

Technical Highlights

  • Aluminum foil for massive rigidity, size: 500x370 mm.
  • Alubutyl 3.0 mm, resonance and vibration elimination.
  • S2-Softflex absorbs high-performance sound.
  • More technical details
Regular price €149.00
Regular price €149.00 selling price €149.00
2% discount with credit card

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ProductS3-Door Solution PRO

including VAT
Estimated delivery: Sep 22–Sep 29.
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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.

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Regular price €149.00
Regular price €149.00 selling price €149.00

The S3 Door Solution PRO from Four Connect is a high-quality insulation solution for vehicle doors. This extensive set provides a 5-stage solution for professional noise and thermal insulation. The set includes self-adhesive S2 basefoils for massive stiffness increase and S3 Basemat aluminum butyl mats that eliminate resonances. S2 TopFlex foam provides thermal insulation, while S2 Softflex absorbers reduce wind and driving noises. The self-adhesive S1 fabric tape prevents annoying rattling noises between the door components. The PRO solution is particularly characterized by the premium thickness of the materials and the maximization of bass.

Set Contents & Components: This high-end kit offers a comprehensive 5-stage solution for professional insulation of two vehicle doors:

  • 2x S2 Basefoil (reinforcement):

    • Self-adhesive aluminum special foil for sealing large service openings in the door sheet. Significantly increases stiffness.

  • 8x S3 Basemat (aluminum butyl):

    • Thickness: 3.0 mm (extra strong)

    • Function: Eliminates resonances and vibrations on the sheet for maximum stability.

  • 4x S2 TopFlex (insulation):

    • High-quality, closed-cell foam.

    • Function: Thermal insulation and effective soundproofing (applied over the base mat).

  • 2x S2 Softflex (sound absorber):

    • High-performance absorption material.

    • Function: Reduces wind and driving noises (applied behind the door panel).

  • 2.0 m S1 fabric tape (felt tape):

    • Self-adhesive fabric tape.

    • Function: Prevents rattling between plastic parts, dashboard, and door frame.

Dimensions & Installation:

  • Size of the mats: 500 x 370 mm per piece.

  • Application: Specifically designed for interior and exterior sheets as well as door panels.

Advantages of the PRO solution:

  • Maximum Bass: The S2 basefoil turns the door into an almost closed speaker enclosure, significantly increasing sound pressure in the low-frequency range.

  • Noise Elimination: The S1 fabric tape eliminates even the finest crackling noises from plastic trims.

  • Premium Thickness: With 3.0 mm aluminum butyl, this set offers an even higher damping rate than standard kits.

Frequently Asked Questions about S3-Door Solution PRO


How does the S3-Door Solution PRO Kit improve sound in the car?

The S3-Door Solution PRO Kit, developed by Four Connect, maximizes sound in the car by combining the S2-Basefoil and S3-Basemat components. The self-adhesive aluminum special foil, S2-Basefoil, seals large service openings in the door sheet metal, significantly increasing the stiffness of the doors and thus optimizing sound reproduction. The thick 3.0 mm aluminum butyl mats of the S3-Basemat eliminate resonances and vibrations that could impair sound quality. This technical design transforms the vehicle doors into nearly closed speaker enclosures, increasing sound pressure in the low-frequency range and resulting in a noticeably richer and clearer sound image.

What are the technical advantages of the 3.0 mm aluminum butyl mats in the S3-Door Solution PRO?

The 3.0 mm aluminum butyl mats in the S3-Door Solution PRO Kit offer an above-average damping rate that significantly reduces resonances and vibrations on the sheet metal. This thickness achieves the highest stability of the sheet metal, leading to the elimination of disturbing noises. This not only optimizes sound but also improves overall quietness in the vehicle by limiting external driving noises. The aluminum layer provides additional mechanical stability to the material, and the self-adhesive design greatly simplifies installation on inner and outer sheets as well as door panels.

What role does the S2-TopFlex insulation play in the S3-Door Solution PRO Kit?

The S2-TopFlex insulation in the S3-Door Solution PRO Kit from Four Connect acts as thermal insulation and effective soundproofing. The high-quality, closed-cell foam is applied over the S3-Basemat and is crucial for improving temperature and sound isolation within the vehicle. This insulation prevents outside noises from penetrating inside while maintaining the desired sound atmosphere within the vehicle. The S2-TopFlex thus creates a pleasant driving environment by absorbing disturbing vibrations and temperature fluctuations. This enhances both the acoustic and thermal efficiency of the entire system.

How is the S3-Door Solution PRO Kit installed in the car?

The installation of the S3-Door Solution PRO Kit should be done carefully, as it is specifically designed for interior and exterior sheets as well as door panels. The S2-Basefoil is used to seal large service openings in the door sheet. It is important that this foil is applied correctly to maximize the stiffness of the doors. The Alubutyl mats of the S3-Basemat are applied with the sticky side to the sheet to eliminate resonances. The S2-TopFlex foam is laid over the Basemat to ensure thermal insulation and soundproofing. Each component is designed to be easily cut and applied to allow for a perfect fit in various vehicle doors.

What are the dimensions of the mats in the S3-Door Solution PRO Kit?

The mats in the S3-Door Solution PRO Kit from Four Connect have a size of 500 x 370 mm per piece. These specific dimensions allow for flexible adaptation to different door structures in vehicles. Before you start the installation, it is important to determine the required measurements for your specific car model so that the mats can be cut to size. This size specification ensures that a sufficiently large surface is covered to minimize resonances and ensure the necessary stability of the door structure. With a total of eight S3-Basemat pieces in the kit, you can ensure comprehensive damping in two vehicle doors.

How does the S1-Fabrictape contribute to noise suppression?

The S1-Fabrictape, a self-adhesive felt tape from the S3-Door Solution PRO Kit, is an important component for reducing rattling noises between plastic parts. Its flexible application prevents rattling noises that can occur between the dashboard, door frame, and other plastic contact points. This feature is particularly helpful in older vehicles or those that exhibit disturbing crackling in a rough driving environment. The fabric tape acts as a damping agent due to its special composition, making it the ideal solution to ensure silence in the vehicle cabin.

What advantages does the S2-Softflex offer in the S3-Door Solution PRO?

The S2-Softflex component of the S3-Door Solution PRO Kit is designed as a high-performance absorption material to effectively reduce wind and driving noises. Installed behind the door panel, the S2-Softflex absorbs disturbing external noises, creating a quieter and more pleasant driving environment. Furthermore, it improves the interior acoustic profile through this soundproofing, thereby enhancing the sound clarity of the audio system. This absorption property ensures that even high driving speeds do not lead to unwanted resonances, thereby improving the overall acoustics in the vehicle.

Is the S3-Door Solution PRO Kit compatible with all vehicle models?

The S3-Door Solution PRO Kit is designed to offer high flexibility in application and is compatible with a variety of vehicle models. With the individually customizable materials and the specific size of the mats (500 x 370 mm per piece), it is possible to adapt this damping set to different door structures. Although no specific car brands are mentioned in the product description, it is advisable to check the existing door measurements of your vehicle in advance to ensure optimal fitting and achieve the desired damping effects.

What special features does the S2-Basefoil have?

The S2-Basefoil in the S3-Door Solution PRO Kit from Four Connect is a self-adhesive aluminum special foil designed specifically to increase the stiffness of large service openings in the door sheet metal. By enhancing the structural integrity of the doors, the Basefoil becomes an essential component in transforming them into nearly closed speaker enclosures, significantly boosting sound pressure in the low-frequency range. This increased stiffness reduces distortion and greatly improves overall acoustics. Additionally, the aluminum construction maintains excellent weather resistance and long-lasting durability, contributing to the longevity of the application.

What steps are necessary to get the most out of the S3-Door Solution PRO solution?

To get the most out of the S3-Door Solution PRO Kit, the installation should be carried out in a multi-step process. Start with the installation of the S2-Basefoil to stabilize the door openings and improve stiffness. Next, the S3-Basemat Alubutyl mats should be carefully cut to the required dimensions and then glued to the inner door sheets to eliminate resonances. Then, the S2-TopFlex insulation is applied over the Basemat to achieve thermal and acoustic insulation. Finally, the S2-Softflex is attached behind the door panel to catch wind and driving noises. The process concludes with the installation of the S1-Fabrictabe to minimize rattling noises.

Manufacturer information/responsible person

Audio Import Group
Pekka Kinnunen
Palkkitie 10
84100 Ylivieska
Finland

Contact: info@audioimport.fi

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