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S-Series 10cm (4”) Component 2-Way 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.

We packed 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.

All speakers in the S-Series line have a wide vehicle fitment range and include several adapters and spacers. Using in-line crossovers, these speakers can be installed quick and easy even at home.

The New 2023 S-Series Speaker Line

The New 2023 S-Series Speaker Line

The S-Series sound system line truly is the Music Lover’s Starter Pack, bringing amazing sound quality, exciting bass and even Hi-Res Audio playback into the customer’s vehicle at a very affordable price point. The S-Series speakers are available in 9 different configurations.

Hi-Res Audio Certified

Clean, Accurate Audio

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

Simplified Installation

Alpine S2-Series Tweeters

Versatile Tweeter Installation

The 1” Soft Dome Tweeters cater to a wide array of installation methods. They can be flush mounted and swivelled within the housing to find the exact axis sweet spot. For stealth applications, the frames can be removed to reduce down to a fraction of their original size to suit any installation and easy replacement of factory-fitted OEM tweeters.


Alpine S2-S65C Glass Fibre Composite Cone


Glass Fiber Composite Woofer Cone

The door woofer features an all-new glass fibre composite cone, which due to its directionally woven construction is engineered to be far stronger than a traditional oval cone diaphragm. The resulting rigidity coupled with glass-fibre’s innate lightness results in highly controlled cone excursion producing excellent response and audio reproduction. 



HAMR Surround

Not only does Alpine’s patented High Amplitude Multi-Roll (HAMR) surround maintain full control over the cone at any stage of excursion for high SPL. Its ability to far exceed the maximum linear excursion of regular domed surround allows for beautifully pure sound and punchy bass.



Large Magnet Structure

The large strontium magnets housed on the back of S-Series speakers mean business. Combined with large voice coils and Alpine’s patented HAMR Surrounds, increase cone excursion and the force of the driver to provide a louder, punchier sound.


Alpine S2-S40C

Compact Footprint

The Alpine S-S40C compact footprint makes it perfect for a myriad of installation options. From stealth speaker replacements to fit behind an OEM grille, to being proudly displayed within a custom A-pillar or dash housing, the choices are almost limitless.

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.

Simplified Installation

Engineered for versatility, these speakers offer seamless OEM fitment and simplified installation. With in-line crossovers, you can achieve optimal sound separation and precise tuning. The adjustable tweeters feature a flush mount housing that is removable, allowing for installations in small OEM tweeter locations. You can even remove the tweeter housing to minimize the size for custom installation.

Made for S-Series Amps & Subs

Made for S-Series Amps & Subs

The S-Series speakers are designed to perfectly match the Alpine S-Series amplifier and subwoofer line for perfect system building. S-Series components are designed to for customers that want to build a great sounding system without breaking the bank, for a fun and great sounding experience including Hi-Res Audio capabilities.

Get Hi-Res Car Audio on a Budget with the Next-Gen Alpine S-Series Speakers

Get Hi-Res Car Audio on a Budget with the Next-Gen Alpine S-Series Speakers

Join Alpine Brooks as he shows off the key features and benefits of the new Hi-Res S-Series Speaker line from Alpine, highlighting the latest technologies and showing you why these speakers are the new standard in entry-level sound performance.




  • 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


Power Handling

  • Peak Power: 140 Watts
  • RMS Power: 45 Watts

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): 51 mm
  • Mounting Depth: 17.6 mm
  • Mounting Height: 7.6 mm


  • Frequency Range: 100 Hz – 40 kHz (Hi-Res Audio Certified)
  • Impedance: 4 Ohms
  • Sensitivity: 85 dB/W


Additional information

Weight 3.0 kg
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