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Alpine S-Series 5.25" Coaxial 2-Way Speakers (Pair) - S-S50A

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Abt Model: SS50 UPC: 793276040992
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Alpine S-S50 S-Series 5.25" Coaxial 2-Way Speakers (Pair)

The versatile speaker upgrade with incredible sound tech

The new S-Series Speakers have been newly designed with upgrades to voice coil size and cone material to provide great sound quality. The S-Series speakers are the new benchmark for entry OEM upgrades.

Key Features:

  • Incredible sound quality
  • Perfect for an OEM upgrade with many sizes to choose from to suit almost any vehicle
  • Now available in a 6x9-inch component set, perfect for newer trucks and SUVs
  • Larger voice coil and new CFRP (Carbon Fiber Reinforced Plastic) cone
  • Now with Alpine’s patented HAMR (High Amplitude Multi-Roll) Surround, allowing for large amounts of linear air movement
  • 1-inch silk dome tweeter (3/4-inch silk dome tweeter on the S-S40 speaker)
  • Grilles available for 6x9-inch, 6.5-inch, and 5.25-inch models (grilles sold separately)
  • S-Series speakers deliver the winning combination of incredible sound and value within an entry-level category.


  • Increasing Driving Power and Control
    The S-Series speakers have a large voice coil. The 6.5-inch and 6x9-inch models have a 35-mm voice coil, and this large voice coil size increases their driving power and control of the motor. The S-Series speakers are the first in the industry to use a material called CFRP (Carbon Fiber Reinforced Plastic), a very lightweight yet rigid material. On a standard, off-the-shelf oval cone, the edges are naturally weaker than the center due to the elongated shape. Since the CFRP material is directional, it can be manipulated during the molding process to strengthen the areas of the cone that are normally weak. The result is rigidity throughout the cone that delivers accurate and efficient performance. The ability to manipulate the CFRP material during the molding process is currently exclusive to Alpine and the S-Series speakers. Alpine has three patent-pending procedures in support of this innovative manufacturing process.
  • Incredible Linerity and Accuracy
    Alpine’s patented H.A.M.R. (High Amplitude Multi-Roll) surround is now found on the S-Series speakers. This proven technology increases excursion while maintaining accuracy and linearity. The multi-roll design allows for an even unfolding of the surround which creates incredible linearity and colorization rejection.
  • Smooth, Wide Frequency Response
    The 1-inch silk dome is perfect for recreating pleasant upper range response without creating listening in the vehicle. The soft silk material ensures wide frequency response and durability for long term playback.
  • Protection for your Speakers
    Speaker grilles are available for several of the S-Series speakers and are sold separately. The durable mesh grilles are sold in pairs and fit the following models:
    • 5.25-inch model: Compatible with the KTE-S50G Grille
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