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BMW 3, 5 Series X1 X3 X5 Alpine S2S40 4" 10cm 2-Way Front/Rear Door Speakers Fitting Kit

Alpine S2S40 Next-Generation 4" S-Series 2-way 280W Peak (90W RMS) Coaxial Speaker with CT25BM08 Upgrade Kit for BMW 3, 5 Series X1 X3 X5 

In stock
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S2-S40 + CT25BM08
Special Price £119.99 Regular Price £139.99 Save £20.00

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Package Includes:

  • Alpine S2S40 Next-Generation 4" S-Series 2-way 280W Peak (90W RMS) Coaxial Speaker

  • Connects2 CT25BM08 Front or Rear Door Speaker Adaptor

Compatible with the following vehicles:

Manufacturer Model Note Year From Year To Headunit Connection  
BMW 3-Series E90 2005 2012   N//A  
BMW 5-Series E60 2006     N//A  
BMW X1 E84 2009     N//A  
BMW X3 (Facelift) 2007     N//A  
BMW X5 E70 2006     N//A  

The New S-Series Speaker Line

It's time for high-res

We're big fans of Alpine's push to give more drivers access to high-res audio in the car. Using technology developed for their flagship F#1 Status Series, Alpine's Next Generation S-Series car speakers provide access to all the wonderful detail of your favorite high-resolution audio files at an appealing price. We recommend aftermarket power to drive these speakers, but even with factory power, their ultra-wide frequency response ensures a detailed, authentic sound.

The New 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-S40 is designed for lightweight construction, high output, and low distortion, giving you a clean and accurate audio experience.

HAMR Surround

Extensive Mounting Options

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.

Extensive Mounting Options

The S-Series S2-S40 is compatible with most 10cm installation locations in various vehicles. The steel basket features several screw brackets for different mounting applications.

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.

The Era of High-Resolution Audio

We are enthusiastic supporters of Alpine's commitment to bringing high-resolution audio to a wider audience, particularly within the automotive realm. Leveraging the cutting-edge technology developed for their esteemed F#1 Status Series, Alpine presents the Next Generation S-Series car speakers, allowing every driver to experience the captivating intricacies of their favorite high-resolution audio files at an irresistible price point. While we recommend utilizing aftermarket power to fully unleash the potential of these speakers, their remarkable performance is evident even when powered by factory systems, thanks to their exceptional frequency response that ensures a meticulous and authentic sound reproduction.

Revolutionary Design Elements

Alpine has ingeniously incorporated highly effective materials and exclusive design components to optimize the capabilities of these speakers. The woofer cone, expertly engineered using a blend of polypropylene, glass fiber, and mica materials, delivers the essential balance of high output and low distortion required for impeccable high-resolution performance. Additionally, the woofer features the High Amplitude Multi-Roll (HAMR) surround, allowing for maximum cone excursion and elevating the bass reproduction to its finest. Complementing the woofer, a 3/4" silk dome tweeter unveils the intricate nuances of high-frequency sounds that were previously absent with factory-installed speakers.

Product Features:

  • 4" 2-way Coaxial Car Speakers
  • Power Handling:
    • Peak: 280 watts per pair / 140 watts each
    • RMS: 90 watts per pair / 45 watts each
  • Polypropylene cone material
  • Rubber speaker surround
  • High Amplitude Multi-Roll (HAMR) surround
  • HI-RES Certified
  • 3/4" Silk Dome Tweeters
  • Ferrite magnet motor structure
  • Top-mount Depth: 1-3/4"
  • Cutout Dimensions: 3-11/16"
  • Impedance: 4 ohms
  • Frequency Response: 90 - 40000 Hz
  • Sensitivity: 86 dB
  • UK Internet Dealer
  • Full Manufacturer's Warranty
  • Next-day delivery available

What's in the box:

  • Two 2-way speakers
  • Two 4x6 Adapter brackets
  • Two 12" Lengths of speaker wire (each has quick-slides on one end and bare wire on the other)
  • Eight 3/4" Screws
  • Ten 5/16" Screws
  • Ten 1/4" Screws
  • 10 Speed clips
  • 10 Spacers
  • 2 Adhesive-backed gaskets
  • Warranty information
  • Online product registration information
  • Important Notice Sheet
  • Declaration of conformity
  • Template and specs on the box
More Information
Price £139.99
Manufacturer Alpine
Vehicle Manufacturer BMW
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