---
product_id: 726520606
title: "Kicker 51KSC3504 KS-Series 3.5\" Coaxial Speakers with .5\" tweeters, 4-Ohm, Pair"
brand: "kicker"
price: "¥67412"
currency: JPY
in_stock: false
reviews_count: 5
category: "Kicker"
url: https://www.desertcart.jp/products/726520606-kicker-51ksc3504-ks-series-3-5-coaxial-speakers-with-5
store_origin: JP
region: Japan
---

# 80-20k Hz frequency range 100W peak power 3.5" slim fit design Kicker 51KSC3504 KS-Series 3.5" Coaxial Speakers with .5" tweeters, 4-Ohm, Pair

**Brand:** kicker
**Price:** ¥67412
**Availability:** ❌ Out of Stock

## Summary

> 🎶 Elevate your drive with sound that commands attention!

## Quick Answers

- **What is this?** Kicker 51KSC3504 KS-Series 3.5" Coaxial Speakers with .5" tweeters, 4-Ohm, Pair by kicker
- **How much does it cost?** ¥67412 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/726520606-kicker-51ksc3504-ks-series-3-5-coaxial-speakers-with-5)

## Best For

- kicker enthusiasts

## Why This Product

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

## Key Features

- • **Concert-Level Volume:** Unleash powerful 100W peak sound without distortion
- • **Precision Audio Clarity:** Silk-dome tweeters deliver smooth, detailed highs for audiophile-grade listening
- • **Optimized Power Handling:** Designed for 15-50W RMS amps to maximize performance and longevity
- • **Seamless Vehicle Integration:** Ultra-thin 3/16" tweeter protrusion fits perfectly behind factory grilles—no mods needed
- • **Durable Build for Bass Impact:** Polypropylene cones with rubber surrounds ensure punchy midrange and deep bass

## Overview

The Kicker 51KSC3504 KS-Series 3.5" Coaxial Speakers combine concert-level power handling (up to 100W peak) with audiophile-grade clarity via silk-dome tweeters and polypropylene woofers. Their ultra-slim design fits almost any vehicle without modification, delivering punchy bass and smooth highs for a premium in-car audio upgrade.

## Description

Kicker 51KSC3504 KS Series 3.5" Coaxial Speakers With .5" Tweeters, 4ohm KICKER’s elite KS-Series Coaxial Speakers upgrade your audio to new levels of accuracy with extended frequency response and the smoothest highs. Potent Performance - KICKER KS-Series Speakers let you play at concert-like volume, yet maintain the smoothness and subtlety to please even the most selective ear. Internally dampened polypropylene cones and durable rubber surrounds assist the woofers in creating precise midrange and midbass, while high-quality silk-dome tweeters deliver natural, detailed highs. With only two millimeters of tweeter protrusion, the KSC350 is a perfect fit in almost every vehicle on the road today. They work best with 15 to 50 watts of recommended power. See below for more details. High power handling Silk-dome tweeters for a smooth sound Polypropylene woofer and tough rubber surrounds Thin-mount design easily fits behind factory grilles Specifications - Speaker Design: 2-Way Woofer [in, mm]: 3-½, 89 Tweeter [in, mm]: ½, 13 Rated Impedance [Ω]: 4 Recommended Amplifier Power [Watts RMS]: 50 Sensitivity [1W, 1m]: 88 Frequency Response [Hz]: 80-20k Mounting Hole Diameter [in, mm]: 3-1⁄16, 78 Top Mount Depth [in, mm]: 1-5⁄8, 41.5 Bottom Mount Depth [in,mm]: 1-7⁄8, 49 Tweeter Protrusion [in,mm]: 3/16, 4 Grilles: No Tweeter Magnet Material: Neodymium Tweeter Dome Material: Silk Woofer Cone Material: Polypropylene Woofer Surround Material: Rubber

Review: Best OEM replacements - Best set of speakers to fit into and replace oem Subaru liberty GT my10 dash mid range speakers.
Review: I have 3 trucks with all kicker speakers good product - Good set of speakers, definitely raise some hell especially when you see how tiny they’re when you open the box. I have these a the kicker 6 3/4 in both of my trucks, even did the same set in my cousins truck. Using these series of speakers in 3 trucks tells you they’re good value for the money, an everyone comments how good my trucks sound when they hear it.

## Features

- KICKER KS-Series Speakers let you play at concert-like volume, yet maintain the smoothness and subtlety to please even the most selective ear.
- The high-performance woofers utilize internally dampened polypropylene cones and tough rubber surrounds for outstanding midrange detail and pounding bass!
- Completely redesigned with new cones, voice coils and crossovers, KS-Series Coaxial Speakers are a serious upgrade from your factory sound.
- Featuring zero (or minimal) tweeter protrusion, you get a perfect fit in almost every vehicle on the road today, without modifications.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CRLFV2G2 |
| Brand Name | KICKER |
| Customer Reviews | 4.6 4.6 out of 5 stars (446) |
| Date First Available | 20 January 2024 |
| Included Components | Two (2) speakers, Mounting Hardware, Instructions Manual |
| Item Dimensions LxWxH | 48 x 78 x 78 Millimeters |
| Item Weight | 635 g |
| Item model number | 51KSC3504 |
| Manufacturer | Kicker |
| Net Quantity | 1.0 Count |
| Peak Power Handling - Speakers | 100 Watts |
| Product Dimensions | 4.78 x 7.8 x 7.8 cm; 635.03 g |
| Speaker Type | Coaxial |
| Vehicle Speaker Size | 3.5 |

## Product Details

- **Brand:** KICKER
- **Speaker Maximum Output Power:** 100 Watts
- **Frequency Response:** 20000 Hz
- **Connectivity Technology:** Wired
- **Audio Output Mode:** Stereo

## Images

![Kicker 51KSC3504 KS-Series 3.5" Coaxial Speakers with .5" tweeters, 4-Ohm, Pair - Image 1](https://m.media-amazon.com/images/I/61Llr9ojANL.jpg)
![Kicker 51KSC3504 KS-Series 3.5" Coaxial Speakers with .5" tweeters, 4-Ohm, Pair - Image 2](https://m.media-amazon.com/images/I/71dY0vYpknL.jpg)
![Kicker 51KSC3504 KS-Series 3.5" Coaxial Speakers with .5" tweeters, 4-Ohm, Pair - Image 3](https://m.media-amazon.com/images/I/812EgRhK+ZL.jpg)
![Kicker 51KSC3504 KS-Series 3.5" Coaxial Speakers with .5" tweeters, 4-Ohm, Pair - Image 4](https://m.media-amazon.com/images/I/81BihmulVsL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Best OEM replacements
*by K***M on 4 February 2025*

Best set of speakers to fit into and replace oem Subaru liberty GT my10 dash mid range speakers.

### ⭐⭐⭐⭐⭐ I have 3 trucks with all kicker speakers good product
*by J***A on 2 January 2026*

Good set of speakers, definitely raise some hell especially when you see how tiny they’re when you open the box. I have these a the kicker 6 3/4 in both of my trucks, even did the same set in my cousins truck. Using these series of speakers in 3 trucks tells you they’re good value for the money, an everyone comments how good my trucks sound when they hear it.

### ⭐⭐⭐⭐⭐ bon haut parleur avec les grilles
*by A***É on 28 November 2025*

bon haut parleur et de bonne qualité. le son est agréable. le tout était super bien emballé. bien content de mon achat

## Frequently Bought Together

- Kicker 51KSC3504 KS-Series 3.5" Coaxial Speakers with .5" tweeters, 4-Ohm, Pair
- RED WOLF Car Front Dash Tweeter Speaker Wiring Harness for 2008-2022 Toyota RAV4 Camry 4Runner Highlander Scion, 2010-2019 Subaru Forester Factory Speaker Replacement Adapter Connector Non JBL System

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**Shop now:** [https://www.desertcart.jp/products/726520606-kicker-51ksc3504-ks-series-3-5-coaxial-speakers-with-5](https://www.desertcart.jp/products/726520606-kicker-51ksc3504-ks-series-3-5-coaxial-speakers-with-5)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-05*