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Alpine S2-W8D2/D4 8" (20cm) Subwoofer
SKU:  S2-W8D2
EAN:  4958043513291
300 Watt

S2-W8D2/D4

SKU:  S2-W8D2
EAN:  4958043513291

Technical Highlights

  • 300 W RMS power, impedance 2Ω+2Ω, frequency 35-215 Hz.
  • 900 W peak power, H.A.M.R. Surround, 10 mm X-Max.
  • Dual voice coil, 82.7 dB sensitivity, carbon-fiber cone.
  • More technical details
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€107,28
-33% €159,00 €107,28
5% discount with prepayment
inkl. VAT , possibly plus shipping
Execution: D2 (2x2 Ohm)
Delivery
May 17, - May 20,
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€107,28
€159,00 €107,28

S2-W8D2/D4 by Alpine

The S2-W8D2/D4 from Alpine is an 8-inch Subwoofer from the S-Series generation. It has a nominal power handling of 300 Watts RMS and a peak power handling of 900 Watts. The diaphragm is made from a combination of carbon fiber and polypropylene, complemented by a polypropylene-ceramic dust cap. Features include the High-Amplitude Multi-Roll (H.A.M.R.) surround technology with a rubber surround for a displacement of up to 10 mm. The model is equipped with a dual voice coil including jumper wires and high-quality strontium ferrite magnets. A twist-lock grille mounting system and pressure terminals for cable cross-sections up to 8 mm² are also integrated. The impedance is rated at 2 Ohm + 2 Ohm.

Features
  • 8-inch (20 cm) Subwoofer
  • Carbon fiber-polypropylene diaphragm
  • Polypropylene-ceramic dust cap
  • High-Amplitude Multi-Roll (H.A.M.R.) surround
  • Dual voice coil with jumper wires
  • Power: 300 Watts RMS
  • Power: 900 Watts Max
  • High-Res audio capable
  • Strontium ferrite magnets
  • Twist-lock grille mounting system
  • Pressure terminals up to 8 mm²
  • Magnet weight: 1.0 kg
  • Magnet diameter: 120 mm
Technical Specifications
  • Frequency range: 35 Hz - 215 Hz
  • Impedance: 2 Ohm + 2 Ohm
  • Sensitivity (1 W/1 m): 82.7 dB
  • Resonance frequency (Fs): 47.9 Hz
  • Total Q factor (Qts): 0.64
  • Equivalent volume (Vas): 7.5 liters
  • X-Max (one way): 10 mm
  • Cutout diameter: 174 mm
  • Mounting depth: 94 mm
  • Mounting height: 23 mm
  • Closed enclosure: 5 - 15 liters
  • Ventilated enclosure: 11 - 31 liters

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Alpine S2-W8D2/D4 Datasheet

Open datasheet

Frequently Asked Questions about S2-W8D2/D4

What is the maximum RMS power of the Alpine S2-W8D2 Subwoofer?

The Alpine S2-W8D2 Subwoofer offers a rated power of 300 Watts RMS, which allows for continuous and stable bass reproduction. This rated power ensures that the subwoofer operates reliably even during longer listening sessions, without overheating or producing distortion. With a peak power handling of 900 W, the S2-W8D2 can temporarily handle higher power demands, which is particularly beneficial for dynamic music pieces or cinematic effects. This combination of rated and peak power makes the Alpine S2-W8D2 ideal for demanding audio applications in vehicles.

How does the H.A.M.R. Surround technology work in the S2-W8D2?

The H.A.M.R. (High Amplitude Multi-Roll) Surround technology in the Alpine S2-W8D2 Subwoofer utilizes a special rubber surround that allows for efficient and stable guidance of the subwoofer cone. This technology permits a maximum excursion of up to 10 mm in one direction, enabling the subwoofer to deliver more powerful and precise bass reproductions. With robust airflow to the cone, the S2-W8D2 can produce both deep and clear bass without coloration or distortion. The H.A.M.R. Surround technology significantly contributes to the excellent performance of the S2-W8D2.

What frequency ranges does the S2-W8D2 Subwoofer cover?

The Alpine S2-W8D2 Subwoofer covers a frequency range from 35 Hz to 215 Hz. This wide range allows for precise reproduction of deep bass to mid-bass frequencies, ensuring versatile music and film playback. The low end of 35 Hz enables the subwoofer to produce very deep and powerful bass, while the upper range of 215 Hz ensures that higher bass frequencies are also reproduced clearly and without distortion. This frequency coverage makes the S2-W8D2 an excellent choice for various music genres and audio applications.

What material combinations are used in the S2-W8D2 to optimize bass reproduction?

The Alpine S2-W8D2 Subwoofer uses a combination of carbon fiber and polypropylene for the diaphragm, ensuring a lightweight yet robust structure. This material combination allows for low-distortion and precise bass reproduction, as carbon fiber provides high strength and low self-movement, while polypropylene offers excellent acoustic performance. Additionally, the diaphragm is equipped with a polypropylene-ceramic dust cap that provides extra protection against contaminants without compromising sound quality. This careful material selection contributes to the outstanding performance and durability of the S2-W8D2.

How can the S2-W8D2 Subwoofer be integrated into an existing sound system?

The Alpine S2-W8D2 Subwoofer can be easily integrated into an existing sound system thanks to its compact dimensions and versatile connection concept. With a cutout diameter of 174 mm, a mounting depth of 94 mm, and a mounting height of only 23 mm, the subwoofer fits into most vehicle designs. The dual voice coil (DVC) with practical terminal bridges allows for flexible impedance adjustment, while the twist-lock grille mounting system ensures easy and secure installation without additional fastening screws. This way, you can effortlessly install the S2-W8D2 in your vehicle and optimize your sound system.

What impedance options does the Alpine S2-W8D2 offer and how do they affect performance?

The Alpine S2-W8D2 Subwoofer offers impedance options of 2Ω + 2Ω, providing flexibility when connecting to amplifiers. This dual impedance configuration allows the subwoofer to be wired either in parallel or in series, depending on the amplifier's requirements and the desired power characteristics. Lower impedances can increase overall power, which is particularly beneficial for high-powered drives. Thus, the choice of impedance significantly influences the efficiency and maximum power output of the subwoofer in the overall system, giving you the opportunity to optimally adjust sound quality and performance.

What are the dimensions of the S2-W8D2 Subwoofer for vehicle installation?

The Alpine S2-W8D2 Subwoofer has a cutout diameter of 174 mm, a mounting depth of 94 mm, and a mounting height of 23 mm. These compact dimensions allow for easy integration into various vehicle types and models. The magnet diameter is 120 mm, which supports stable and efficient bass reproduction. Thanks to these precise measurements, you can flexibly position the S2-W8D2 Subwoofer in your vehicle, whether in the trunk, under the seats, or at another suitable location, without the need for complex modifications.

How does the dual voice coil of the S2-W8D2 support multiple applications?

The dual voice coil (DVC) of the Alpine S2-W8D2 Subwoofer offers high flexibility for various applications through the integrated jumpers. With this configuration, you can adjust the impedance of the subwoofer by connecting or disconnecting the jumpers accordingly. This allows the subwoofer to be used in different amplifier setups, whether as a single subwoofer or in series/parallel with other subwoofers. The dual voice coil thus facilitates adaptation to various electrical requirements and maximizes the performance of the sound system, depending on the specific needs of your audio installation.

Which amplifiers are optimal for operating the S2-W8D2 Subwoofer?

The Alpine S2-W8D2 Subwoofer is optimally tuned to the S-Series amplifiers from Alpine. You can easily operate the S2-W8D2 with the 600-watt mono amplifier S2-A60M to efficiently control a single subwoofer. Alternatively, you can combine multiple S2-W8D2 Subwoofers with the powerful 1200-watt amplifier S2-A120M to achieve even stronger and deeper bass reproduction. This matched combination ensures optimal sound quality and performance stability, allowing your sound system to perform excellently in terms of both volume and clarity.

What protection mechanisms are integrated into the S2-W8D2 Subwoofer?

The Alpine S2-W8D2 Subwoofer is equipped with several protection mechanisms to ensure long-term and reliable performance. The polypropylene-ceramic dust cap protects the diaphragm from contamination and physical damage, preserving sound quality. Additionally, the twist-lock grille mounting system ensures that the diaphragm is protected from external influences without compromising the subwoofer's freedom of movement. The robust H.A.M.R. surround technology prevents mechanical overloads and ensures stable cone movement. These protective features help ensure that the S2-W8D2 Subwoofer operates reliably even under demanding conditions.

Manufacturer information / responsible person

ALPS ALPINE EUROPE GmbH

Ohmstrasse 4

85716, Unterschleissheim

support.eu@alpsalpine.com

https://www.alpsalpine.com/

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