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Hertz

Cento CS 250 S2 / S4

10" (25cm) Subwoofer

139,00€
139,00€ 139,00€
incl. VAT , possibly plus shipping

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Highlights

  • Power 300W RMS, 600W Peak, impedance 2/4 Ohm.
  • Magnetic flux ferrite, voice coil 35mm, Xmax 12.5mm.
  • Polypropylene membrane, sound pressure level 84dB.
Impedance: S2 (1x2 Ohm)
Seen more cheaply Personal Offer
brand: Hertz
Delivery time:
Available, in 3-8 days with you
Number:
Piece
Watt RMS:
300
Subwoofer Type:
ferrite
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Hertz-Cento CS 250 S2 / S4-10" (25cm) Subwoofer-masori-kaufen
139,00€
139,00€ 139,00€

A look at the Cento CS 250 S2 / S4 from Hertz reveals a high-quality, powerful 10" (25cm) subwoofer. With thoughtful features and impressive performance, it stands out significantly from the crowd. Whether you are already a fan of Hertz or looking for a high-quality audio experience, this subwoofer will meet your expectations. Its distinctive features and technologies make the listening experience even more impressive and intense. With the Cento CS 250 S2 / S4, you are investing in top-notch sound quality and perfect music playback.

Technical Data

  • Size mm 250
  • Load capacity - RMS W 300
  • Load capacity - Peak W 600
  • Impedance Ohm 2 / 4
  • Oscillating coil Ø 35
  • Magnet size B x T x H mm 120 x 45 x 34
  • Weight kg 3.795
  • High Density Flux Ferrite Magnet
  • Polypropylene Membrane
  • Xmech mm 16.5

Physical Specifications

Cento CS 250 S2 / S4

  • A 270 mm
  • B 231 mm
  • C 132 mm
  • D 115 mm
  • E 260 mm
  • F 28.3 mm

Electro-Acoustic Specifications

  • D mm 216
  • Xmax mm 12.5
  • Re Ohm 2.2
  • Fs Hz 30
  • The mH 2.38
  • Vas I 32
  • Mms g 166
  • Cms mm/N 0.17
  • BL T*m 11.5
  • Qts 0.49
  • Qes 0.52
  • Qms 9.4
  • Spl dB 84

Frequency response

Cento CS 250 S2 / S4

HOUSING

Cento CS 250 S2 / S4

Housing data - SEALED BOX

  • Vb l(cu.ft.) 16 (0.57)
  • Fb Hz 50
  • Qtc 0.87
  • B mm 385
  • H mm 385
  • T mm 180
  • Montage Hole -231
  • Wood Thickness 19

SHEET CUTTING LIST - SEALED BOX

  • A mm 385 x 385 Quantity 2
  • B mm 385 x 142 Quantity 2
  • C mm 347 x 142 Quantity 2

FEATURES

Cento CS 250 S2 / S4

  • Electroacoustic design, optimized for enclosures from 16 liters.
  • Flow dynamic optimization system that drastically reduces the acoustic distortions caused by air compression at high deflections.
  • Polypropylene membrane and dust cap geometry developed through FEM simulations to reduce low-frequency distortions.
  • 35 mm 2 Ω voice coil, wound with six layers of pure copper on a fiberglass carrier with high thermal resistance.
  • Magnetic group geometry optimized with proprietary software for high, undistorted sound pressure levels at high displacements.
  • Ideal for use in custom boxes that can be shaped around the subwoofer due to their compact size and the absence of a decompression hole.
  • Terminal block with solid pressure contacts that accommodate cables up to 8 AWG to provide low wiring resistance and maximum connection convenience even in installations with multiple subwoofers.
  • Rubber protection of the magnetic assembly and high-strength ABS plastic seal, which allows for the attachment of the optional grid for an elegant finish.
The CENTO CS 250 S2 and the CENTO CS 250 S4 from Hertz are both 10-inch subwoofers, but they differ in impedance: the S2 has 2 ohms, while the S4 is designed with 4 ohms. This choice has a direct impact on how you can integrate the subwoofer into your car audio system. For example, if you want to optimize your amplifier for a specific load resistance, the decision between 2 or 4 ohms can be crucial in terms of power output and sound quality. Especially if you like to listen to music loudly and want to push your system to the max, it is important to match the impedance precisely. Thanks to the carefully designed magnet group, both variants achieve powerful and distortion-free bass. With a power handling of up to 600 watts peak, the CENTO CS 250 S2 / S4 offers sufficient power reserve to reproduce your favorite music in impressive quality. If you want to learn more about the technical background of these subwoofers, feel free to check out our information on other Hertz products.
The magnet of this 10-inch subwoofer from Hertz is made of high-density flux ferrite, allowing for particularly powerful bass impulses. The optimized design improves air circulation inside the speaker, resulting in lower distortion and increased efficiency. This way, you benefit from rich, precise low-frequency reproduction without the subwoofer going into pumping. The integration of the magnetic group geometry, developed by proprietary software, ensures stable excursions even at high volumes. Especially at low frequencies, the design ensures that you experience your music cleanly and balanced even at higher levels. The result: a brilliant car subwoofer that delivers an intense sound experience without sacrificing clarity or detail. If you are fascinated by the technology behind Hertz subwoofers, you will find more exciting information in our car audio systems section.
The polypropylene membrane of the CENTO CS 250 S2 / S4 has a significant impact on sound quality. Polypropylene is lightweight yet stable, allowing for fast, precise movements at low frequencies. At the same time, the material helps minimize unwanted resonances, ensuring that the bass does not sound muddy or unclear. Especially if you enjoy listening to electronic music or hip-hop tracks, you will benefit from the crisp, defined bass reproduction. Additionally, the shaping, perfected through FEM simulation, prevents disturbing vibrations in the low-frequency range. The result is a clean, clear bass that makes your music even more powerful. If you would like to obtain further information about other Hertz components, also check out our posts on car audio upgrades.
For the CENTO CS 250 S2 / S4, Hertz recommends a housing volume of about 16 liters for a sealed box. This compact volume allows for flexible installation in many vehicles without sacrificing much trunk space. Due to the optimized electroacoustic design, the subwoofer already delivers a powerful foundation at low frequencies in this volume. If you build the sealed box exactly according to the specifications, you will benefit from a Qtc value close to 0.87, which promises fast and precise bass. This way, you get punchy low-end elements in your music without the sound image becoming too muddy. If you want to dive deeper into the subject, you can find more tips for fine-tuning in the Hertz guide for subwoofer enclosures.
This high-end car subwoofer can be integrated into many European car brands such as BMW, Audi, Mercedes, or VW thanks to its compact dimensions and ease of installation. If you have limited installation space, you can benefit from the minimized space requirement that a compact enclosure demands. The installation-friendly dimensions of A = 270 mm and B = 231 mm help to accommodate the subwoofer in various locations, depending on the trunk structure. The robust magnet assembly and the solid terminal block, which accommodates cables up to 8 AWG, further simplify the installation. If you want to learn more about Hertz subwoofers for different vehicle concepts, feel free to browse our Car Audio blog.
The Xmech system plays an important role when it comes to a safe and distortion-free excursion of the subwoofer. For the CENTO CS 250 S2 / S4, an Xmech of 16.5 mm is specified, which is an indicator of the maximum excursion up to the mechanical stop. This allows you to enjoy your music even at very high volumes without the bass becoming muddy or the material being damaged. Especially when you want to impress with deep-frequency drops in certain songs, the Xmech system ensures excellent stability. The result is a rich, clear bass that won't let you down even at club-like levels. If you want to dive deeper into the technical background, take a look at more Hertz products in our technology guide.
The 35 mm voice coil is extremely important for the overall performance of the CENTO CS 250 S2 / S4. Due to its size and the winding of six layers of pure copper, it withstands high thermal loads without causing sound-affecting effects such as heat buildup. If you want to listen to music at high levels for an extended period, you benefit from stable and consistent bass reproduction. The coil is mounted on a fiberglass carrier with high thermal resistance, providing additional safety. Especially for sound enthusiasts who want to feel bass kicks, this interplay delivers an impressive combination of punch and precision. You can find more information about voice coil technology and comparable subwoofers from Hertz in our car audio expertise.
The subwoofer can handle 300 Watts RMS (Root Mean Square) and is peak-rated at 600 Watts. This RMS value indicates the continuous load that can be sustained during normal operation without overheating and sound distortion. So, if you often listen to loud music or want your bass to deliver a solid punch, this value is crucial. The 600-Watt peak, on the other hand, shows what short-term power peaks the system can withstand – useful if you enjoy bass-heavy genres with sudden drops. This way, you can enjoy music intensely without worrying that the subwoofer will give out. If you want to know more about power specifications for Hertz products, feel free to check out our product comparison.
If you want to achieve the optimal sound result, a stable cabinet construction is crucial. The CENTO CS 250 S2 / S4 from Hertz unleashes its full power in a sealed box starting from 16 liters in volume, which is why it is important to pay attention to suitable dimensions and sufficient material thickness. An example would be 19 mm thick wooden panels that minimize vibrations and provide a solid frame for the subwoofer. To avoid air leaks, every joint should be thoroughly sealed. Especially if you place a high value on clean, punchy bass, careful cabinet construction plays a central role. It is best to use our assembly guide for Hertz subwoofers to learn step by step how to build your cabinet precisely.
Yes, you can also operate the CENTO CS 250 S2 / S4 with additional subwoofers, as long as you keep an eye on the impedances and the overall load capacity. The solid terminal block allows for the connection of thick cables up to 8 AWG, which gives you more flexibility in multi-installations. Even when combining different models, it is advisable to pay attention to similar power classes and as similar impedances as possible, so that all components work harmoniously. Especially if you want to build a really strong bass foundation, combining different subwoofers can further enhance your listening experience. In our guide on subwoofer combinations, you will find additional tips for a balanced bass configuration.

Elettromedia SpA
62018 Potenza Picena (MC)
Strada Regina km 3,500
Italy

Contact person:
Simone Iampieri
Executive Director Assistant
T +39 0733 870 813
Elettromedia SpA
62018 Potenza Picena (MC) Italy
Strada Regina km 3,500
T + 39 0733 870 870

Contact: simone.iampieri@elettromedia.it

Product Specifications

Manufacturer

Hertz

Product type

10" (25cm) subwoofer

Features

  • Highlights

    • Power 300W RMS, 600W Peak, impedance 2/4 Ohm.
    • Magnetic flux ferrite, voice coil 35mm, Xmax 12.5mm.
    • Polypropylene membrane, sound pressure level 84dB.

  • Uvp

    152

weight

3.795 kg

Technical data

Watt RMS Load Capacity

300

configurators

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Your advantages with Masori

Buy Hertz Cento CS 250 S2 / S4 subwoofer online: Premium audio experience at the best price

The Hertz Cento CS 250 S2 / S4 subwoofer offers outstanding audio quality with an impressive 300 W RMS power and 600 W peak power handling. Unlike conventional subwoofers in this price range, it impresses with a flow-dynamically optimized design that noticeably reduces acoustic distortion. A key advantage is the flexible impedance selection of 2 or 4 ohms, which opens up versatile installation options. Through intensive FEM simulation, the polypropylene cone was specifically developed to reduce low-frequency distortion. Experience the uncompromising sound of a manufacturer that stands for quality and benefit from the Masori Lowest Price Guarantee with every purchase.

Technical performance of the Hertz subwoofer: 10 subwoofer with impressive performance

The Cento CS 250 S2 / S4 is a 10 (25 cm) subwoofer that guarantees excellent sound thanks to its dedicated technical features. Its voice coil is 35 mm in diameter and wound on six layers of pure copper. This provides high heat resistance and better thermal protection than alternative materials, significantly increasing its longevity under high loads. Using fewer copper layers would reduce efficiency and thermal resilience.

Optimization for enclosures: Electroacoustic design from 16 liters volume

The electroacoustic design of the Hertz Cento subwoofer is specifically optimized for enclosures with a volume of 16 liters or more, making it ideal for compact and customized installations. An enclosure with this minimum volume specification allows for optimal control of the bass reflex and thus targeted fine-tuning of the sound image. Increasing the volume can result in deeper bass, while reducing the volume could impair the precision of some frequencies.

Efficient magnetic structure: high-density flux ferrite

The subwoofer's magnetic structure is based on a high-density flux ferrite. This configuration supports a higher undistorted sound pressure level, especially at high voice coil speeds. While a larger diameter or a different magnet system type could theoretically offer higher energy reserves, they would also quickly result in bulky and heavy components.

Excellent deflection: Xmax of 12.5 mm

With its Xmax value of 12.5 mm, the Hertz subwoofer achieves an exceptionally high excursion value, enabling deeper bass frequencies with minimal distortion. This is especially important at high sound levels, where an identical excursion at a lower Xmax could otherwise result in noticeable distortion. A higher Xmax might promise improved sound levels under extreme loads, but it would compromise mechanical stability.

Geometrically optimized membrane for reduced distortion

Thanks to Hertz's proprietary polypropylene cone and dust cap geometry, optimized through FEM simulations, low-frequency distortion is minimal. This design optimization improves the clarity and distinguishability of low frequencies, which is especially noticeable when listening to very bass-heavy music. Without this optimization, more extensive distortion would be expected.

Precise installation: terminal block for cables up to 8 AWG

The terminal block used in the subwoofer accommodates cables up to 8 AWG, ensuring low wiring resistance and maximum connectivity. This allows even the most demanding multi-subwoofer installations to be effortlessly accomplished without sacrificing performance. A smaller cable capacity would significantly limit efficiency and performance.

Suitable housing: Sealed box data and assembly prices

The Hertz subwoofer performs optimally in a sealed enclosure with an internal volume of 16 liters (0.57 cubic feet). The frequency response in such a enclosure achieves a crossover frequency of 50 Hz and a Qtc of 0.87, indicating excellent damping. This results in precise and dynamic sound without degradation at higher volumes. Deviations in the volume or parameters may result in degradation of the sound image.

Assembly and visual enhancement: rubber protection and ABS plastic seal

With an innovative rubber protection for the magnet assembly and a high-strength ABS plastic seal, it's possible to attach an optional grille as a finishing touch, enhancing both protection and appearance. The seal's precise fit allows for distortion-free use in a variety of mounting locations. Without this precision, a protective grille could create resonance or rattling noises. Take advantage of our on-site installation service in Frankfurt (Oder) . If you have any questions, our FAQ & Help section offers comprehensive support. And our audio blog is available for anything interesting about sound and technology.