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  5. Cento CS 300 S2 / S4
Hertz Cento CS 300 S2 / S4 12" (30cm) Subwoofer
SKU:  CS-300-S2
EAN:  8018823130370

1 Review

350 Watt

Cento CS 300 S2 / S4

SKU:  CS-300-S2
EAN:  8018823130370

1 Review

Technical Highlights

  • Power: 350 W RMS, 700 W Peak, Impedance: 2/4 Ohm.
  • 35mm voice coil, fiberglass carrier, pure copper, high heat.
  • Magnet flux ferrite, high density, optimized geometry, strong.
  • More technical details
€169,00
€169,00 €169,00
5% discount with credit card
inkl. VAT , possibly plus shipping
Impedance: S2 (1x2 Ohm)
Delivery
Jun 6, - Jun 9,
x piece
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€169,00
€169,00 €169,00

Cento CS 300 S2 / S4 by Hertz

Hertz Cento CS 300 S2 / S4 is a 12 inch (30 cm) Subwoofer with 350 W RMS and 700 W Peak. The impedance is either 2 Ohm or 4 Ohm depending on the version. Version with 35 mm voice coil on fiberglass carrier and high-density ferrite magnet. Polypropylene membrane and optimized dust cap geometry. Flow dynamics optimization system. Xmax 12.5 mm and Xmech 16.5 mm. Electroacoustic design for enclosures from 32 liters. Terminal block with pressure contacts for cable cross-sections up to approx. 8.37 mm² and version without decompression opening.

Features
  • 12 inch (30 cm) Subwoofer
  • RMS power 350 W
  • Peak power 700 W
  • Impedance 2 Ohm or 4 Ohm
  • Electroacoustic design for enclosures from 32 liters
  • Flow dynamics optimization system
  • Polypropylene membrane and dust cap
  • Voice coil 35 mm, six-layer pure copper on fiberglass carrier
  • Magnet made of high-density flux ferrite
  • Without decompression opening
  • Terminal block with pressure contacts, suitable for cables up to approx. 8.37 mm²
  • Rubber protection of the magnet assembly and ABS seal; optional protective grille can be attached
Technical data
  • Size 300 mm
  • Voice coil Ø 35 mm
  • Magnet size (B x D x H) 134 x 45 x 34 mm
  • Weight 4.844 kg
  • Xmax 12.5 mm
  • Xmech 16.5 mm
  • D 267.01 mm
  • Re 2.2 Ohm
  • Fs 25 Hz
  • Le 2.8 mH
  • Vas 87.25 liters
  • Mms 205 g
  • Cms 0.20 mm/N
  • BL 12 T*m
  • Qts 0.46
  • Qes 0.49
  • Qms 7.2
  • SPL 86.5 dB
  • A 318 mm
  • B 281 mm
  • C 147 mm
  • D 130 mm
  • E 308 mm
  • F 28.3 mm
  • Enclosure data (sealed box): Volume 32 liters, Fb 50 Hz, Qtc 0.9
  • Enclosure dimensions (sealed): B 495 mm, H 495 mm, D 200 mm
  • Mounting cutout 281 mm
  • Wood thickness 19 mm
  • Plate cut (sealed): A 495 x 495 mm (2x), B 495 x 162 mm (2x), C 475 x 162 mm (2x)

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Hertz Cento CS 300 S2 / S4 Datasheet

Open datasheet

Frequently Asked Questions about Cento CS 300 S2 / S4

How does the impedance of the Cento CS 300 S2 / S4 affect the sound?

The impedance of the Cento CS 300 S2 / S4 is 2 or 4 ohms, allowing for various applications. In terms of the audio system, a lower impedance of 2 ohms results in a higher current flow, delivering a more powerful sound, especially at low frequencies. In contrast, a 4-ohm impedance reduces the current flow, placing fewer demands on the Amplifier and moderating the performance. The ability to choose between 2 and 4 ohms offers flexibility in adapting the system to existing components to achieve optimal sound quality according to the system configuration and desired sound.

What is the maximum power output of the CENTO CS 300 S2 / S4 Subwoofer?

The CENTO CS 300 S2 / S4 Subwoofer impresses with its maximum load capacity, specified in two stages: 350 watts RMS and 700 watts Peak. The RMS power indicates that the Subwoofer can continuously handle 350 watts without the risk of damage. The peak load capacity of 700 watts, on the other hand, describes the Subwoofer's ability to handle short bursts of power. These specifications make the Subwoofer excellently suited for powerful bass applications, especially in situations where occasional loud volumes need to be reproduced clearly and without distortion, such as in dynamic music styles or action-packed movie scenes.

How does the flow dynamics optimization system ensure distortion-free sound?

The flow dynamics optimization system in the CENTO CS 300 S2 / S4 Subwoofer minimizes acoustic distortions by reducing air pressure imbalances at high diaphragm excursions. This technology allows the Subwoofer to reproduce deep frequencies by regulating the air compression generated by the rapid movement of the diaphragm. The system utilizes specific geometries developed through FEM simulations to ensure air pressure equalization and stabilization of diaphragm movements. Thus, the sound quality is significantly improved by reducing frequency distortions that are common in conventional designs. By minimizing these distortions, the Subwoofer achieves precise and uncolored bass reproduction.

What role does the voice coil of the CENTO CS 300 S2 / S4 play in operation?

The voice coil of the CENTO CS 300 S2 / S4 Subwoofer, with a diameter of 35 mm and made of six layers of pure copper on a fiberglass carrier, is crucial for the performance of the Subwoofer. Thanks to the fiberglass carrier with high thermal resistance, the voice coil can withstand high temperatures without losing performance. This design allows for high thermal load capacity and reduces the risk of distortion and overheating during intense use. The robust construction of the voice coil thus contributes to the efficiency and longevity of the Subwoofer, delivering consistently high-quality audio performance even under more demanding conditions.

How is the CENTO CS 300 S2 / S4 Subwoofer designed in terms of its physical dimensions?

The CENTO CS 300 S2 / S4 Subwoofer has precisely defined dimensions: The outer diameter is 318 mm, while the mounting hole measures 281 mm. The depth measurement of 147 mm ensures a compact design, and dimensions such as B: 281 mm and C: 147 mm are relevant for installation. This makes it excellent for installation in compact enclosures that do not require an additional decompression hole. The versatile physical parameters allow for flexible integration into various audio installations, whether in mobile sound systems or permanently installed applications with limited space.

What characterizes the diaphragm of the CENTO CS 300 S2 / S4?

The diaphragm of the CENTO CS 300 S2 / S4 is made of polypropylene, which ensures excellent stiffness at minimal weight. This material choice affects the diaphragm's ability to accurately transmit low frequencies while remaining stable and resistant to environmental influences. The geometry of the diaphragm and the dust cap has been optimized using advanced FEM simulations to minimize distortion at low frequencies. This technical design ensures precise bass reproduction and improved overall acoustics of the Subwoofer by effectively eliminating unwanted vibrations and resonances.

How is the sound quality of the CENTO CS 300 S2 / S4 influenced by the enclosure design?

The enclosure design of the CENTO CS 300 S2 / S4 is optimized for acoustic performance, specifically for volumes starting from 32 liters. The Subwoofer can be housed in sealed boxes, which significantly affects the frequency response. Choosing such an enclosure increases control over the diaphragm movement, making the deep bass more precise and responsive. The enclosure dimensions of B: 495 mm, H: 495 mm, and T: 200 mm allow for integration into compact audio setups, while the wood thickness of 19 mm guarantees structural stability. This design allows for maximized bass quality and minimizes airflows that can normally cause sound distortions.

What electroacoustic specifications does the CENTO CS 300 S2 / S4 have?

The CENTO CS 300 S2 / S4, enriched with specific electroacoustic specifications, offers extensive performance parameters. With a diameter of D: 267.01 mm and an Xmax of 12.5 mm, the Subwoofer demonstrates impressive displacement capabilities. The Re value is 2.2 Ohms, describing the internal electrical resistance. Tuned to a resonance frequency of Fs: 25 Hz, the Subwoofer is optimally suited for deep sound frequencies. Additional parameters such as Le: 2.8 mH and Vas: 87.25 liters emphasize the high efficiency of the Subwoofer, while figures like Mms: 205 g and Cms: 0.20 mm/N indicate the mass/suspension system that shapes the acoustic performance.

What design allows for the high load capacity of the CENTO CS 300 S2 / S4?

The CENTO CS 300 S2 / S4 achieves high load capacity through innovative designs, such as the rubber protection of the magnet assembly and the high-strength ABS plastic seal, enabling it to withstand severe operating conditions. The magnet size of 134 x 45 x 34 mm provides the foundation for a strong magnetic flux and supports the stability of the voice coil. These components significantly contribute to the strength and durability of the Subwoofer. The terminal block with solid pressure contacts, designed for cables up to 8 AWG, ensures not only maximum connectivity but also minimal wiring resistance, supporting the consistently high performance of the Subwoofer.

What special installation tips are there for the CENTO CS 300 S2 / S4 in a car?

The CENTO CS 300 S2 / S4 Subwoofer is designed for versatile installation in a car due to its compact dimensions and the absence of rear compression openings. Note the specific installation dimensions, particularly the measurement for the mounting hole of 281 mm and the enclosure height of 147 mm, to ensure seamless integration. These dimensions allow the Subwoofer to be integrated into custom boxes without significantly increasing space consumption in the vehicle. Ensure that there is enough space for effective ventilation to avoid overheating and thus guarantee the optimal performance of the Subwoofer even at high volumes.

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Shipping was fast and everything arrived well packaged with no issues. Regarding the products, the AluButyl provides very good sound deadening performance, with solid material that is easy to work with, ideal for doors and areas where vibration reduction is required.

The trim removal tool set is very useful for disassembling interior panels without damaging plastics or clips, especially in delicate areas, while the M8 ring terminals are of very good quality, offering solid contact and a robust finish, ideal for safe and professional power installations.

Overall, very satisfied with the purchase. High-quality materials suitable for professional-level car audio builds or well-finished personal projects, and a highly recommended store.

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Very good experience purchasing several car audio installation products through Masori: Zeus AluButyl 140dB, the Montagehebelset Keile 3-piece soft trim removal tool set, and the 10–100 mm² M8 ring terminal set.

Shipping was fast and everything arrived well packaged with no issues. Regarding the products, the AluButyl provides very good sound deadening performance, with solid material that is easy to work with, ideal for doors and areas where vibration reduction is required.

The trim removal tool set is very useful for disassembling interior panels without damaging plastics or clips, especially in delicate areas, while the M8 ring terminals are of very good quality, offering solid contact and a robust finish, ideal for safe and professional power installations.

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Shipping was fast and everything arrived well packaged with no issues. Regarding the products, the AluButyl provides very good sound deadening performance, with solid material that is easy to work with, ideal for doors and areas where vibration reduction is required.

The trim removal tool set is very useful for disassembling interior panels without damaging plastics or clips, especially in delicate areas, while the M8 ring terminals are of very good quality, offering solid contact and a robust finish, ideal for safe and professional power installations.

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