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ESX

Quantum QXS8D4

8" (20cm) flat subwoofer

129,00€
129,00€ 129,00€
including VAT. , possibly plus shipping

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Highlights

  • Power handling 250 watts RMS, maximum power of 500 watts.
  • Impedance of 4+4 Ω, fiberglass diaphragm and 50 mm CCAW voice coil.
  • Flat steel basket, installation depth of only 78 mm.
Sofort lieferbar nach United States – Available for delivery, with you in 8-11 days
Seen more cheaply Personal offer
Brand: ESX
Delivery time:
Available for delivery, with you in 1-4 days
Number:
Piece
RMS Watts:
250
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ESX-Quantum QXS8D4-8" (20cm) Flachsubwoofer-masori-kaufen
129,00€
129,00€ 129,00€

The Quantum QXS8D4 from ESX is an 8" (20cm) flat subwoofer that impresses with its robust construction and technical sophistication. It features a stable steel basket in a flat design and a 40 oz. dual magnet drive. The fiberglass membrane and the 50 mm CCAW voice coil on a fiberglass former ensure excellent sound performance. With a power handling of 250 watts RMS and a maximum of 500 watts, it is ideal for high-performance applications. The subwoofer has an impedance of 4+4 Ω and is characterized by a mounting depth of 78 mm and a cutout diameter of 182 mm. Its +/- 15 mm X-Max emphasizes the high quality and flexibility in various application scenarios.

properties

  • Robust steel basket in flat construction
  • 40 oz. double magnet drive
  • fiber membrane
  • 50 mm CCAW voice coil on fiberglass carrier
  • +/- 15 mm X-Max

Technical Data

  • 20 cm (8”) Flat Subwoofer
  • Load capacity 250/500 Watts RMS/Max.
  • Impedance 4+4 Ω
  • Installation depth 78 mm
  • Installation opening 182 mm
The ESX Quantum QXS8D4 subwoofer offers an impressive maximum load capacity of 500 watts. With a continuous power of 250 watts RMS, this subwoofer enables powerful audio output, ideal for intense bass applications. The robust construction combined with the 40 oz. dual magnet drive ensures that the QXS8D4 can handle high performance levels without distortion or overheating. This makes it particularly suitable for demanding audio setups where clear and strong bass reproduction is a priority.
The Quantum QXS8D4 subwoofer has an impedance of 4+4 Ω, allowing for flexible wiring in various audio systems. This dual impedance enables the subwoofer to be connected either in series or parallel, depending on the amplifier's requirements and the specific vehicle installation. An impedance of 4+4 Ω provides an optimal balance between power and efficiency, ensuring that the QXS8D4 operates reliably in both lower-powered and higher-powered systems.
The ESX Quantum QXS8D4 subwoofer has a mounting depth of 78 mm, allowing for compact integration into various vehicle types. The required installation opening is 182 mm, enabling the subwoofer to be easily installed in most standard enclosures. These specific dimensions ensure that the QXS8D4 can be optimally placed without extensive modifications to the vehicle's enclosure being necessary. This allows for a simple and precise installation despite the robust construction of the subwoofer.
The membrane of the Quantum QXS8D4 subwoofer is made of fiberglass, which ensures high stability and minimal deformation at high power levels. Fiberglass materials provide excellent strength and flexibility, allowing the membrane to produce precise and distortion-free vibrations. This contributes to clear and powerful bass reproduction, even under intense operating conditions. The use of fiberglass in the membrane ensures that the QXS8D4 delivers consistent performance while remaining durable and resistant to the mechanical stresses of subwoofer operation.
The 50 mm CCAW (Copper-Clad Aluminum Wire) voice coil on a fiberglass carrier in the ESX Quantum QXS8D4 subwoofer enables efficient heat dissipation and a stable magnetic environment. This configuration reduces electrical resistance and increases the thermal capacity of the voice coil, allowing for higher power consumption without overheating. The fiberglass carrier provides additional strength and precision, ensuring that the voice coil delivers consistent and distortion-free performance at high frequencies. This significantly contributes to the excellent sound quality and durability of the QXS8D4.
The 40 oz. dual magnet drive in the Quantum QXS8D4 subwoofer offers increased magnetic force and improved linearity of movement. The dual magnet configuration exerts a more uniform force on the voice coil, resulting in more precise and powerful bass reproduction. This design minimizes distortion and enhances the efficiency of the subwoofer by allowing for a more stable and controlled vibration of the diaphragm. Especially under high power demands, the dual magnet drive ensures reliable performance and extends the lifespan of the subwoofer.
The Quantum QXS8D4 subwoofer is characterized by several technical features that contribute to high sound quality. These include the fiberglass membrane, which ensures minimal deformation and distortion, as well as the 50 mm CCAW voice coil on a fiberglass carrier, which provides efficient heat dissipation and stable magnetic fields. Additionally, the robust steel basket flat construction allows for precise resonance control and minimizes unwanted vibrations. The +/- 15 mm X-Max ensures a large excursion of the membrane, enabling deeper and more precise bass reproduction. This combination of features guarantees clear and powerful audio playback.
The ESX Quantum QXS8D4 subwoofer offers high flexibility in various application scenarios due to its robust construction and versatile technical specifications. With a mounting depth of 78 mm and a cutout size of 182 mm, it fits into a variety of vehicle enclosures without requiring extensive modifications. The impedance of 4+4 Ω and the high power handling of 250/500 watts RMS/Max. allow for use in different audio setups, whether in compact vehicles or powerful audio systems. Additionally, the quality of the materials used, such as the fiberglass membrane and the dual magnet drive, ensures consistent performance under various operating conditions.
For the installation of the Quantum QXS8D4 subwoofer, it is advisable to ensure a stable and vibration-free placement in the vehicle. The installation depth of 78 mm and the cutout size of 182 mm should be considered when selecting the enclosure to ensure an optimal fit. The robust steel basket in flat design allows for flexible placement, whether in the trunk, under the seats, or in special subwoofer compartments. Correct alignment and fastening are essential to minimize resonance and unwanted vibrations, allowing the fiberglass membrane and the voice coil to operate efficiently.
The robust steel basket flat construction of the QXS8D4 subwoofer significantly contributes to its durability and stable performance. A stable steel basket prevents deformation and structural weaknesses under high loads, maintaining the integrity of the subwoofer even during intense bass performances. This construction minimizes vibrations and resonances, leading to clearer and more precise sound reproduction. Additionally, the solid steel basket provides a secure hold for internal components such as the dual-magnet drive and the fiberglass membrane, which increases the overall lifespan of the QXS8D4 and ensures reliable performance over long periods.
The +/- 15 mm X-Max of the Quantum QXS8D4 subwoofer indicates the maximum linear displacement of the diaphragm and is a crucial factor for bass performance. A high X-Max value means that the diaphragm can move further, allowing for deeper and more powerful bass frequencies. With the QXS8D4, this X-Max ensures precise control over diaphragm movements, even at high volumes and demanding applications. This reduces distortion and provides a clearer reproduction of low frequencies, allowing the subwoofer to achieve impressive depth and dynamics in sound reproduction.

Audio Design Loudspeaker Sales GmbH
Am Breilingsweg 3
76709 Kronau
Germany

Authorized Managing Director:
Bruno Dammert

Contact: info@audiodesign.de

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Product Specifications

Manufacturer

ESX

Product type

8" (20cm) flat subwoofer

Features

  • Highlights

    • Power handling 250 watts RMS, maximum power of 500 watts.
    • Impedance of 4+4 Ω, fiberglass diaphragm and 50 mm CCAW voice coil.
    • Flat steel basket, installation depth of only 78 mm.

Weight

4.023 kg

Technical specifications

Watt RMS Load Capacity

250

Configurators

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Your advantages with Masori

Powerful ESX Quantum QXS8D4 subwoofer: 250 watts RMS for intense bass

The ESX Quantum QXS8D4 subwoofer offers impressive 250 watts of RMS power, ideal for powerful bass reproduction in your vehicle. The maximum power handling of 500 watts enables short power peaks without distortion, which is particularly advantageous for extended bass passages. Compared to standard subwoofers on the car hi-fi market, the Quantum QXS8D4 is at the upper end of the performance spectrum, making it the optimal choice for demanding audio enthusiasts. Utilizing modern amplification technologies, this subwoofer ensures precise and dynamic bass reproduction that will revolutionize your driving experience. With the ESX Quantum QXS8D4, you can be sure of purchasing online at a great price while benefiting from on-site installation in Frankfurt (Oder) .

Optimal impedance of 4+4 ohms for flexible system integration

The ESX Quantum QXS8D4 subwoofer's impedance is 4+4 ohms, allowing for versatile parallel connection of two subwoofers without affecting the overall impedance of your car hi-fi system. This configuration is particularly advantageous for users who require higher power output without additional amplifiers. A lower impedance would allow for even greater performance, but could compromise the stability of the system. At 4+4 ohms, the Quantum QXS8D4 is in the optimal range to ensure reliable and consistent performance, making it an ideal addition to a wide variety of vehicle types.

Robust steel basket in flat design: Maximum stability and durability

The ESX Quantum QXS8D4 subwoofer features a sturdy, low-profile steel basket for exceptional durability and resilience. This design minimizes resonances and vibrations that could otherwise impair sound quality. The robust steel basket protects the subwoofer's sensitive components from mechanical damage and ensures consistently high performance even under extreme conditions. Compared to conventional wood or plastic constructions, the steel basket offers superior stability, making the Quantum QXS8D4 a reliable choice for long-term use.

40 oz. Dual Magnet Drive: Maximum performance and precision

The 40 oz. dual-magnet drive unit of the ESX Quantum QXS8D4 subwoofer provides increased magnetic efficiency and more precise vibration control. This design enables greater coverage and more even bass distribution, resulting in clearer and more powerful sound reproduction. A higher magnet content means less distortion and better control over the cone movement, enabling the Quantum QXS8D4 to deliver stable and precise bass delivery even at high power demands. This technical refinement makes the subwoofer particularly attractive for sophisticated car hi-fi systems that demand the highest sound quality.

Glass fiber membrane: Superior sound quality and durability

The fiberglass cone of the ESX Quantum QXS8D4 subwoofer offers an exceptional combination of strength and flexibility, enabling precise and detailed bass reproduction. Fiberglass is known for its high rigidity, which minimizes unwanted distortion and promotes clear sound. Compared to conventional materials, the fiberglass cone offers improved durability, as it is less susceptible to deformation and fatigue. This high-quality cone ensures that the Quantum QXS8D4 delivers reliable and consistent sound even under intensive use.

50 mm CCAW voice coil on fiberglass carrier: Precise control and efficiency

The 50 mm CCAW (Copper Clad Aluminum Wire) voice coil of the ESX Quantum QXS8D4 subwoofer is mounted on a fiberglass truss, enabling excellent heat dissipation and lower inductance. This construction improves the efficiency of the voice coil and allows for faster diaphragm response during rapid bass changes. The use of CCAW offers a cost-effective alternative to pure copper without compromising electrical performance. Precise control of the vibrations contributes to the Quantum QXS8D4 delivering clear and powerful bass reproduction, even during high frequency changes.

±15 mm X-Max: Extended excursion for deeper bass

With an X-Max of ±15 mm, the ESX Quantum QXS8D4 subwoofer offers an extended maximum excursion of the cone. This high X-Max value enables deeper and more voluminous bass by allowing the cone to move larger distances without losing power. A larger excursion increases the subwoofer's bass capacity, which is particularly beneficial for music genres with intense bass lines. Compared to subwoofers with a lower X-Max, the Quantum QXS8D4 offers an improved ability to reproduce low-frequency sound waves, resulting in an immersive and dynamic sound experience.

Easy installation: installation depth of 78 mm and installation opening of 182 mm

The ESX Quantum QXS8D4 subwoofer features a compact 78 mm mounting depth and a 182 mm mounting cutout, allowing for flexible and straightforward installation in a variety of vehicle types. These compact dimensions allow integration into tight spaces without compromising sound quality. The standardized mounting cutout simplifies the installation process and minimizes adjustment effort, allowing you to quickly benefit from the impressive bass performance. The sophisticated design ensures that the Quantum QXS8D4 can be optimally integrated into a wide variety of vehicles.

Compact design for versatile installation options

The low-profile design of the ESX Quantum QXS8D4 subwoofer allows for versatile placement within your vehicle, whether in the trunk, under the seats, or in custom-built enclosures. This flexibility ensures the subwoofer fits into almost any vehicle configuration without creating space constraints. The slim design also contributes to aesthetic integration, allowing the subwoofer to be discreetly mounted without disrupting the vehicle's interior.

Easy connectivity for optimal performance

The ESX Quantum QXS8D4 subwoofer offers flexible connection options for seamless integration into your existing car hi-fi system. The 4+4 ohm impedance supports multiple parallel connections, allowing for greater power output without compromising system stability. These versatile connection options allow you to customize the subwoofer to your individual needs for the best possible sound experience. For more information and technical support, please visit our expert support FAQ & Help .

High-quality materials: fiberglass carrier for improved performance

The fiberglass subwoofer's fiberglass subwoofer supports the voice coil and contributes to the subwoofer's overall efficiency. Fiberglass offers excellent stability and high temperature resistance, maintaining the subwoofer's performance even under extreme conditions. This material choice minimizes voltage loss and ensures consistently high sound quality, regardless of intensive use. Compared to less robust subwoofer materials, fiberglass technology offers a longer service life and more reliable performance, making the Quantum QXS8D4 a long-term investment for your car hi-fi system.

Technical performance of the ESX Quantum QXS8D4 subwoofer on masori.de

The ESX Quantum QXS8D4 subwoofer impresses with an installation depth of just 78 mm and a mounting cutout of 182 mm, allowing for flexible placement in various vehicle types. The robust steel basket design guarantees high stability and durability, while the 40 oz. dual-magnet drive technology ensures precise and powerful bass reproduction. Thanks to the fiberglass cone and the 50 mm CCAW voice coil on a fiberglass carrier, you achieve outstanding sound quality and efficiency. With an X-Max of ±15 mm and an impedance of 4+4 ohms, the Quantum QXS8D4 adapts flexibly to your car hi-fi system and delivers intense, low-frequency bass without distortion. Discover additional helpful tips and tricks in the masori.de audio blog .

High-quality installation and support for the ESX Quantum QXS8D4

Take advantage of masori.de's professional installation service to optimally install the ESX Quantum QXS8D4 subwoofer in your vehicle. Our experts ensure that all technical requirements are precisely implemented to guarantee the best sound quality. If you have any questions or need assistance, our expert support FAQ & Help is available at any time. With the ESX Quantum QXS8D4, you not only get a powerful car hi-fi product, but also comprehensive support for perfect installation and use.