---
product_id: 556946708
title: "Alpine S2-S40 - Next-Generation S-Series 4\" Coaxial Speaker Set"
brand: "alpine"
price: "HK$1571"
currency: HKD
in_stock: false
reviews_count: 5
category: "Alpine"
url: https://www.desertcart.hk/products/556946708-alpine-s2-s40-next-generation-s-series-4-coaxial-speaker
store_origin: HK
region: Hong Kong
---

# Hi-Res Audio Certified up to 40kHz 140W Peak Power for powerful sound HAMR Surround tech for deep bass Alpine S2-S40 - Next-Generation S-Series 4" Coaxial Speaker Set

**Brand:** alpine
**Price:** HK$1571
**Availability:** ❌ Out of Stock

## Summary

> 🎶 Elevate your sound game with Alpine S2-S40 — small size, massive impact!

## Quick Answers

- **What is this?** Alpine S2-S40 - Next-Generation S-Series 4" Coaxial Speaker Set by alpine
- **How much does it cost?** HK$1571 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/556946708-alpine-s2-s40-next-generation-s-series-4-coaxial-speaker)

## Best For

- alpine enthusiasts

## Why This Product

- Trusted alpine brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Upgrade:** Designed for quick, hassle-free installation—perfect for car or home audio enhancements.
- • **Powerful Yet Compact:** 4" coaxial speakers deliver robust 140W peak power without sacrificing space or style.
- • **Lightweight & Durable:** Crafted from Poly Propylene, Glass Fiber, and Mica for high output and minimal distortion.
- • **Advanced HAMR Surround:** Exclusive Alpine tech maximizes cone movement for rich, punchy bass that commands attention.
- • **Hi-Res Certified Sound:** Experience crystal-clear audio with frequencies up to 40kHz, elevating your everyday listening.

## Overview

The Alpine S2-S40 is a next-gen 4" coaxial speaker set featuring Hi-Res Audio Certification with frequency response up to 40kHz. It combines lightweight, durable materials and Alpine’s exclusive HAMR Surround technology to deliver powerful 140W peak output and deep bass in a compact design. Ideal for car or home audio upgrades, it offers clean, accurate sound with easy installation.

## Description

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 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.

Review: Perfect fit and great quality
Review: Perfect replacement for OEM 4" mid range

## Features

- Hi-Res Audio Certified: Experience a new standard in entry-level sound performance with the Next-Generation S-Series S2-S40 4" Coaxial Speakers, now Hi-Res Audio Certified. Reproducing frequencies up to 40kHz, these speakers provide accurate and natural sound quality at an affordable price point.
- Reliable Performance: Crafted with a unique combination of Poly Propylene, Glass Fiber, and Mica Cone materials, the S2-S40 speakers offer lightweight construction, high output, and low distortion. Enjoy a clean and accurate audio experience that enhances your listening pleasure.
- HAMR Surround Technology: The Alpine-exclusive High Amplitude Multi-Roll (HAMR) surround technology integrated into the speaker design allows for maximum cone movement. This feature delivers powerful and accurate bass notes, adding depth and richness to your audio.
- Compact Size, Powerful Sound: With a compact 4" woofer size and integrated 3/4" tweeters, the S2-S40 speakers pack a punch. Despite their small size, they can handle a maximum peak power of 140W and a maximum RMS power of 45W, ensuring a robust and dynamic audio performance.
- Easy Installation: Designed for hassle-free installation, these coaxial speakers are the perfect choice for upgrading your car's audio system or enhancing your home entertainment setup. Enjoy high-quality sound without the complexity, thanks to the user-friendly design of the Alpine S2-S40 speakers.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C74WLC74 |
| Additional Features | Tweeters |
| Age Range Description | Adult |
| Antenna Location | For Music Players |
| Audio Driver Size | 10.2 Centimeters |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Audio output mode | Stereo |
| Best Sellers Rank | #91,170 in Electronics ( See Top 100 in Electronics ) #336 in Coaxial Car Speakers |
| Brand | Alpine |
| Built-In Media | 1-year Manufacturer's Warranty, Authorized Internet Dealer |
| Color | ice |
| Compatible Devices | Car, Laptop, Smartphone, Tablet |
| Compatible with Vehicle Type | Car |
| Connectivity Protocol | Coaxial |
| Connectivity Technology | Coaxial |
| Connectivity technology | Coaxial |
| Control Method | Touch |
| Controller Type | Button |
| Customer Package Type | FFP |
| Customer Reviews | 4.5 out of 5 stars 63 Reviews |
| Enclosure Material | Glass Fiber |
| Frequency Response | 97 Hz |
| Frequency response | 97 Hz |
| Is Waterproof | False |
| Item Dimensions D x W x H | 9.9D x 19.3W x 26.7H centimeters |
| Item Weight | 3.4 Pounds |
| MP3 player | No |
| Manufacturer | Alpine |
| Model Name | S2-S40 |
| Model Number | S2-S40 |
| Mounting Type | Car Mount,Coaxial |
| Mounting type | Car Mount,Coaxial |
| Number of Audio Channels | 1 |
| Number of Items | 1 |
| Number of Power Levels | 1 |
| Power Source | Corded Electric |
| Speaker Maximum Output Power | 90 Watts |
| Speaker Size | 4 Inches |
| Speaker Type | Coaxial |
| Speaker maximum output power | 90 Watts |
| Specific Uses For Product | For Music Players, Car Entertainment System |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 4 Inches |
| Tweeter Diameter | 0.75 Inches |
| UPC | 793276085115 |
| Warranty Type | Limited |
| Water Resistance Level | Not Water Resistant |
| Woofer Diameter | 4 Inches |

## Product Details

- **Audio output mode:** Stereo
- **Brand:** Alpine
- **Connectivity technology:** Coaxial
- **Frequency response:** 97 Hz
- **Speaker maximum output power:** 90 Watts

## Images

![Alpine S2-S40 - Next-Generation S-Series 4" Coaxial Speaker Set - Image 1](https://m.media-amazon.com/images/I/51vlUqQl5gL.jpg)
![Alpine S2-S40 - Next-Generation S-Series 4" Coaxial Speaker Set - Image 2](https://m.media-amazon.com/images/I/51pC9Pn5nOL.jpg)
![Alpine S2-S40 - Next-Generation S-Series 4" Coaxial Speaker Set - Image 3](https://m.media-amazon.com/images/I/51zGFmVgINL.jpg)
![Alpine S2-S40 - Next-Generation S-Series 4" Coaxial Speaker Set - Image 4](https://m.media-amazon.com/images/I/512HoI62FiL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect fit and great quality
*by G***M on 12 September 2025*



### ⭐⭐⭐⭐⭐ Perfect replacement for OEM 4" mid range
*by M***3 on 9 December 2025*



### ⭐⭐⭐⭐⭐ Sound amazing!
*by C***S on 19 September 2025*



## Frequently Bought Together

- Alpine S2-S40 - Next-Generation S-Series 4" Coaxial Speaker Set
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**Shop now:** [https://www.desertcart.hk/products/556946708-alpine-s2-s40-next-generation-s-series-4-coaxial-speaker](https://www.desertcart.hk/products/556946708-alpine-s2-s40-next-generation-s-series-4-coaxial-speaker)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-24*