---
product_id: 49496182
title: "SWT-12S4 Car Speakers, Black"
brand: "alpine"
price: "NT$28881"
currency: TWD
in_stock: true
reviews_count: 13
category: "Alpine"
url: https://www.desertcart.tw/products/49496182-swt-12s4-car-speakers-black
store_origin: TW
region: Taiwan
---

# 12-inch (30cm) subwoofer size 1000W peak power 4 Ohm impedance for optimal sound SWT-12S4 Car Speakers, Black

**Brand:** alpine
**Price:** NT$28881
**Availability:** ✅ In Stock

## Summary

> 🚗💥 Unleash the bass beast in your car and turn every drive into a concert!

## Quick Answers

- **What is this?** SWT-12S4 Car Speakers, Black by alpine
- **How much does it cost?** NT$28881 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/49496182-swt-12s4-car-speakers-black)

## 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

- • **Powerful Bass Impact:** Feel every beat with 1000W peak power delivering deep, room-shaking lows.
- • **Durable & Ready to Rock:** Robust polycarbonate enclosure with protective grille guards your subwoofer on every drive.
- • **Effortless Installation:** Comes with mounting brackets and straps for quick, hassle-free setup—get bass booming fast.
- • **Perfect Fit for Your Ride:** Compact 12-inch bass reflex tube designed for seamless car trunk integration.
- • **Crystal Clear Sound Efficiency:** High 92 dB sensitivity ensures your music stays crisp and dynamic at all volumes.

## Overview

The Alpine SWT-12S4 is a 12-inch bass reflex subwoofer tube engineered for car audio enthusiasts craving powerful, high-quality bass. With a peak power of 1000 watts and 4 Ohm impedance, it delivers deep, punchy lows with 92 dB sensitivity. Its durable polycarbonate build and protective grille ensure longevity, while included mounting hardware makes installation straightforward. Perfect for millennials who want to elevate their in-car audio experience and stand out on the road.

## Description

Alpine SWT-12S4 - 30cm Subwoofer Rolle Röhre Bassrolle 30 cm (12-Zoll) Bass Reflex Subwoofer Rolle (4 Ohm) - SWT-12S4 Mit 1000 Watt Max. Belastbarkeit ist diese ready-to-use Bassreflex-Subwoofer-Rolle genau das Richtige für große Bass-Fans. EinSchutzgitter sorgt dafür, dass nichts im Kofferraum den Woofer beschädigen kann. AUSSTATTUNG Woofer System: Bass Reflex Typ30 cm (12-Zoll) High-Performance SubwooferMax. Leistung: 1000 WattRMS Leistung: 300 WattAbmessung: Ø 324 x 660 mmFrequenzbereich: 28 - 200 HzLautsprecher Impedanz: 4 ?Wirkungsgrad: 92 dB/W (1m)Gesticktes Alpine LogoInklusive Montage Halterungen und BefestigungsbandSehr stabile Subwooferabdeckung

Review: Good stuff - Don’t know what to say They are just perfect and loud as required Boys if you need them in your car Go for it ! Easy to setup
Review: 12” alpine sub - At first I thought this will not sound the best, after connecting it in the house for a couple weeks slowly breaking it in I put this in the car and my oh my this sounds brilliant, built strong and the bass punch and lows are great; don’t listen to others saying it’s no good, it’s not a competition sub but believe me will rock your car and flex your panels :)

## Features

- Ready to use Bass Reflex Subwoofer Tube
- 12“ (30cm) Bass Reflex Subwoofer Tube (4Ohm)
- 1000W peak power
- Included components: car subwoofer

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00H99ZZFA |
| Age Range Description | Adult |
| Antenna Location | Car |
| Audio Driver Size | 12 Inches |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Audio output mode | Stereo |
| Best Sellers Rank | 19,036 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 9 in Car Component Subwoofers |
| Box Contents | Alpine SWT-12S4 Subwoofer |
| Brand | Alpine |
| Brand Name | Alpine |
| Colour | Black |
| Compatible Devices | Mobile Phone, Tablet, Car Audio System |
| Compatible with Vehicle Type | Car |
| Connectivity Protocol | Bluetooth |
| Connectivity technology | Bluetooth |
| Control Method | Remote |
| Controller Type | Remote Control |
| Country of Origin | China |
| Customer Package Type | FFP |
| Customer Reviews | 4.6 out of 5 stars 664 Reviews |
| EU Spare Part Availability Duration | 7 Years |
| Enclosure Material | Polycarbonate (PC) |
| Frequency Response | 28 Hz |
| Frequency response | 28 Hz |
| Global Trade Identification Number | 04958043543946 |
| Is Electric | No |
| Is Waterproof | false |
| Item Dimensions D x W x H | 3.9D x 5.9W x 3.9H centimetres |
| Item Type Name | 1000W 12" Ready To Use Bass Reflex Subwoofer Tube, 4Ohm |
| Item Weight | 500 Grams |
| MP3 player | No |
| Manufacturer | Alpine |
| Maximum Speaker Output Power (in watts) | 1000 Watts |
| Model Name | SWT-12S |
| Model Number | SWT-12S4 |
| Mounting Type | Tabletop |
| Mounting type | Tabletop |
| Network Connectivity Technology | Bluetooth |
| Number Of Circuits | 1 |
| Number of Audio Channels | 1.0 |
| Number of Items | 1 |
| Number of Power Levels | 1 |
| Power Source | Corded Electric |
| Product Features | Für Auto |
| Product Warranty | 2 years |
| Signal-to-Noise Ratio | 92 dB |
| Speaker Size | 12 Inches |
| Speaker Type | Woofer |
| Speaker maximum output power | 1000 Watts |
| Specific Uses For Product | Car |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Speaker Diameter | 12 Inches |
| Total USB 2.0 Ports | 1 |
| Tweeter Diameter | 12 Inches |
| Warranty Type | Limited |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology Type | Bluetooth |
| Woofer Driver Diameter | 12 Inches |

## Product Details

- **Audio output mode:** Stereo
- **Brand:** Alpine
- **Connectivity technology:** Bluetooth
- **Frequency response:** 28 Hz
- **Material:** Polycarbonate (PC)
- **Model name:** SWT-12S
- **Mounting type:** Tabletop
- **Speaker maximum output power:** 1000 Watts
- **Speaker type:** Woofer
- **Special feature:** Für Auto

## Images

![SWT-12S4 Car Speakers, Black - Image 1](https://m.media-amazon.com/images/I/614cDf79CRL.jpg)

## Questions & Answers

**Q: What’s the actual measurements for this? In need of a sub but limited space in me boot**
A: 660mm x 324mm

**Q: how do you fix it so it doesnt roll around in the car**
A: Hi, I have estate car, so I use net to fix speaker, because sometimes I have to remove it, (net from boot) looking really good

**Q: How much does it weigh?**
A: Weighs about 5-6kilo

**Q: This.dose.come.with fitting.kit to.fit.in boot ?**
A: Yeah straps but they’re not great you have to get them tight

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good stuff
*by I***H on 6 April 2026*

Don’t know what to say They are just perfect and loud as required Boys if you need them in your car Go for it ! Easy to setup

### ⭐⭐⭐⭐⭐ 12” alpine sub
*by B***Y on 17 August 2025*

At first I thought this will not sound the best, after connecting it in the house for a couple weeks slowly breaking it in I put this in the car and my oh my this sounds brilliant, built strong and the bass punch and lows are great; don’t listen to others saying it’s no good, it’s not a competition sub but believe me will rock your car and flex your panels :)

### ⭐⭐⭐⭐⭐ Amazing sound
*by C***U on 14 March 2025*



## Frequently Bought Together

- Alpine SWT-12S4 Car Speakers, Black
- VIBE Audio Slick 2000 W System Car Wiring Kit
- Alpine Electronics 4 Channel Amplifier

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**Shop now:** [https://www.desertcart.tw/products/49496182-swt-12s4-car-speakers-black](https://www.desertcart.tw/products/49496182-swt-12s4-car-speakers-black)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-08-20*