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Description

Alpine S2-S40C

The Alpine S2‑S40C is a 4″ component 2‑way speaker set from Alpine’s Next‑Generation S‑Series. It features a 4″ polypropylene/glass‑fiber/mica composite woofer paired with a 1″ tweeter in a removable housing, and is certified for Hi‑Res Audio up to 40 kHz.Key specifications: 45 W RMS / 140 W peak power handling; frequency response approx. 97 Hz – 40 kHz; sensitivity ~86 dB; nominal impedance 4 Ω.


Specifications

Features
Specification Details
Certification Hi-Res Audio Certified (Up to 40kHz)
Cone Material Poly Propylene, Glass Fiber, and Mica
Design Lightweight Design with High Output and Low Distortion
Surround High-Amplitude Multi-Roll (H.A.M.R.) Surround
Tweeters Included 1” Adjustable Tweeters with Threaded Removable Housing (Component)
Fitment OEM Fitment with In-Line Crossovers

Tech Specs
Specification Details
Woofer Size 4”
Tweeter Size 1” (Component)
Power Handling 45W RMS / 140W Peak
Frequency Response 97Hz – 40kHz (Hi-Res)
Sensitivity 86dB

 


About The Product

Hi-Res 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 Polypropylene, 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.

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Questions and Answers

Q1: What is the RMS and peak power rating of the S2‑S40C?
A1: It is rated at 45 W RMS and up to 140 W peak power.
Q2: What frequency response does it support and is it Hi‑Res certified?
A2: The frequency response is approximately 97 Hz to 40 kHz, and yes, it is Hi‑Res Audio certified.
Q3: What is the sensitivity and impedance?
A3: Sensitivity is approximately 86 dB (1 W/1 m) and the nominal impedance is 4 Ω.
Q4: What materials and features are used in its construction?
A4: It uses a polypropylene/glass‑fiber/mica woofer cone, incorporates the HAMR (High‑Amplitude Multi‑Roll) surround for extended excursion, and includes a 1″ tweeter with threaded removable housing for flexible mounting.
Q5: Are these suitable for tight‑fit or compact installation environments?
A5: Yes  their compact 4″ size and shallow mounting make them well suited for vehicles with limited speaker locations, and the included adapter brackets and tweeter mounting options improve fitment flexibility.

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