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Product Code: Alpine S-Series S2-S40C
Availability: In Stock
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Alpine S-Series S2-S40C 4" 2-Way Component Speakers

Newly redesigned and Hi-Res Audio Certified, the Next-Generation S-Series S2-S40C 10cm (4”) Component Speakers offer a new standard in entry-level sound performance.

Packed with supreme capability into these speakers by using highly effective materials and proprietary design elements. The lightweight woofer cone, crafted from a combination of polypropylene, glass fiber, and mica materials, serves up the essential high output / low distortion sound required for High-Res Audio performance. Alpine S-Series speakers feature increased magnet sizes for more power handling and best mid-bass performance in their category.

The woofer's High Amplitude Multi-Roll (HAMR) surround brings out the best in bass by allowing maximum cone movement. A 2cm (3/4") dome tweeter serves up all the high-frequency detail you've been missing with your factory speakers.

Hi-Res Audio Certified

Using “trickle-down” technology, inspired design, and performance cues from the Ultra-High-Resolution AlpineF#1Status system, the Next-Generation Alpine S-Series Speakers are now Hi-Res Audio Certified and able to reproduce up to 40kHz frequency response. This new benchmark in sound quality elevates the Next-Gen S-Series Speakers resulting in a more accurate and natural sound at an entry-level price point.

Clean, Accurate Audio

Crafted with a unique combination of Poly Propylene, Glass-Fiber, and Mica Cone materials, the S2-S40C is designed for lightweight construction, high output, and low distortion, giving you a clean and accurate audio experience.

HAMR Surround

Alpine-exclusive High Amplitude Multi-Roll (HAMR) surround technology is integrated into the speaker design which allows for maximum cone movement, delivering powerful and accurate bass notes.


  • 2-Way Component Speaker set 
  • Woofer Size: 10cm (4”)
  • 2cm (¾“) Component Tweeters with Swivel Housing
  • Hi-Res Audio Certified (up to 40kHz)
  • Poly Propylene, Glass Fiber, and Mica Cone Material
  • Lightweight Design with High Output and Low Distortion
  • High-Amplitude Multi-Roll (HAMR) Surround


  • RMS Power: 45 watts
  • Peak Power: 140 watts
  • Size: 4" - Woofer
  • Size: (¾“) - Tweeter
  • Impedance: 4 Ohms
  • Frequency Range: 100 Hz - 40 kHz (Hi-Res Audio Certified)
  • Sensitivity: 85 dB/W

Dimensions Woofer:

  • Cutout Diameter (flush-mount): 93.6 mm
  • Mounting Depth: 43.0 mm
  • Mounting Height: 6.6 mm
  • Magnet: 75.0 mm

Dimensions Tweeter:

  • Cutout Diameter (flush-mount): 93.6 mm
  • Mounting Depth: 43.0 mm
  • Mounting Height: 6.6 mm
  • Magnet: 75.0 mm

What's Included?

  • Alpine S-Series S2-S40C Woofers x2
  • Alpine S-Series S2-S40C Tweeters x2
  • Warranty Card
  • Manual            

*Aftermarket Product, Images for Illustration Purposes Only*

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