Vision VX-21 PRO

Discover the power of the ESX VISION VX-21 PRO subwoofer buy online and save

The ESX VISION VX-21 PRO subwoofer offers impressive music performance of up to 12,000 watts. With an RMS power handling of 6,000 watts, this SPL subwoofer sets new standards in its category. These enormous power figures make it ideal for extreme car audio requirements. Thanks to Masori's lowest price guarantee, you can be sure that you can always buy the VX-21 PRO at a great price. Key highlights such as the massive cast aluminum basket and quadruple magnet drive ensure exceptional stability and power. The glass-fiber-reinforced paper cone of the VX-21 PRO is specially designed to withstand the highest loads. With an effective area of ​​1662 cm², it produces astonishing sound volume. These characteristics make the VX-21 PRO a top candidate for anyone seeking serious performance.

Cast aluminum basket with massive stability: Why this is crucial

The ESX subwoofer features a massive cast aluminum basket, which not only provides stability but also power. Aluminum is a material that absorbs vibrations exceptionally well, thus preventing distortion of the sound. This aspect is especially important for a 21-inch subwoofer like the VX-21 PRO, given the tremendous cone movement. Alternative materials would bend or heat up at such dimensions, potentially leading to distortion. A massive cast aluminum basket is essential in this size category, ensuring vibration-free operation even under the highest power demands. A less stable cast aluminum basket could compromise the precision of the bass reproduction.

Convincing dual voice coil and voice coil construction in the VX-21 PRO subwoofer

Featuring a double-stitched high-roll foam surround and an 8-layer, 10 cm voice coil wound with copper-clad aluminum flat wire, the VX-21 PRO offers optimal signal transmission and power handling. This composition allows it to handle extreme power peaks without overheating. The coil thickness and the material used are crucial for the efficiency and longevity of the subwoofer. A lower-quality voice coil could deform at high volumes, drastically reducing sound quality. This high-quality manufacturing also ensures precise control over the diaphragm movement, which is particularly crucial in SPL applications.

Double-stitched high-roll foam surround for maximum deflection

The VX-21 PRO's double-stitched high-roll foam surround allows a linear excursion of +/- 23 mm, resulting in a maximum X-Max of +/- 35 mm. This design allows for the large cone movements necessary for reproducing deep bass frequencies. The high excursion means the subwoofer can operate without distortion even at extremely low frequencies. Standard surrounds, which are not designed for such elasticity, would fail under these loads, thus compromising accuracy and sound quality. If the surround were not double-stitched, mechanical wear could be increased, leading to premature functional failure.

Quadruple magnetic drive: Maximum power behind every note

The ESX VISION VX-21 PRO is equipped with an impressive quadruple magnetic drive, whose 4 x 150 oz magnets have a total weight of 17 kilograms. This provides exceptional magnetic force that controls the diaphragm movements precisely and powerfully. The strength of the magnetic field directly influences the sensitivity and speed of the diaphragm responses, which is crucial in SPL applications. Compared to less powerful magnetic drives, this quadruple drive enables higher power handling and improved response time. A weaker magnetic field would reduce efficiency and could lead to delays in bass reproduction.

Glass fiber reinforced paper cone: optimal sound and stability

The VX-21 PRO's glass-fiber-reinforced paper cone combines the best of both worlds: the sound properties of paper and the stability of glass fiber. With a surface area of ​​1662 cm², this cone enables powerful bass reproduction while maintaining high sensitivity. Paper alone might be too fragile for the high loads, but the glass fiber reinforcement achieves the necessary robustness. This construction ensures that the clarity and reliability of the sound are not lost, even at the highest volumes. Without the glass-fiber-reinforced components, the subwoofer might not be able to withstand the highly stressful bass impulses.

Special specifications of the voice coil

The voice coil, a centerpiece of the VX-21 PRO, is an 8-layer masterpiece, specially engineered to maximize the performance of the subwoofer. Manufactured in the USA, it is constructed from 10 cm of copper-clad aluminum flat wire. This high-performance design ensures extremely high thermal and mechanical strength. The 80 mm winding height helps reduce induction and copper resistance, increasing the subwoofer's efficiency. A lower winding height could result in leakage currents that impair overall performance. The aluminum voice coil former is also black anodized, ensuring effective heat dissipation and thermal stability.

Splendid performance thanks to the Nomex Spider

A key feature of the ESX VISION VX-21 PRO is the 6-layer Nomex spider. Nomex is known for its high heat resistance and resilience. These properties are especially important when the subwoofer is frequently exposed to high temperatures and intense mechanical stress during SPL applications. The Nomex spider supports the cone movement by ensuring consistent tension and guidance, resulting in consistent performance. A lower-quality spider would offer less stability under such stress, which could affect functionality and sound quality.

Integrated speaker connections with top performance

The VX-21 PRO features integrated 10 mm² speaker cables with a length of 1.5 meters to ensure an efficient connection. Choosing a generous cable cross-section is crucial to minimize power loss and direct all available power directly to the subwoofer. Smaller cross-sections would result in energy loss, which could result in performance degradation. These small details ensure that the VX-21 PRO can deliver its full performance even at maximum load.

Subwoofer design and installation: adaptability and effectiveness

The ESX VISION VX-21 PRO has an impressive installation depth of 335 mm and a mounting diameter of 495 mm. Despite its impressive size, this SPL subwoofer is designed to fit into the deep enclosure systems of vehicles. Compared to smaller subwoofers, the VX-21 PRO offers unparalleled richness and bass intensity, transforming every vibration into a sonic delight. A more compact design could significantly compromise bass reproduction, as the acoustic volume would be reduced. If you have any questions about installation, our on-site installation team in Frankfurt (Oder) is available. You can also use our expert support FAQ and help with other technical questions. Our audio blog also has many interesting articles for you.