---
product_id: 597088728
title: "Harman Kardon The Flow 300S is a Premium 3-inch (89mm) midrange car Speaker Designed for high-end Audio Upgrades, Often Used in 3-Way Systems."
brand: "harman kardon"
price: "¥2376"
currency: JPY
in_stock: false
url: https://www.desertcart.jp/products/597088728-harman-kardon-the-flow-300s-is-a-premium-3-inch
store_origin: JP
region: Japan
---

# 6.5" dynamic driver for rich stereo sound 3-way upgradability with 3" midrange woofers 120W max output power for powerful audio Harman Kardon The Flow 300S is a Premium 3-inch (89mm) midrange car Speaker Designed for high-end Audio Upgrades, Often Used in 3-Way Systems.

**Brand:** harman kardon
**Price:** ¥2376
**Availability:** ❌ Out of Stock

## Summary

> 🎵 Drive the Sound Revolution — Don’t Just Listen, Own It!

## Quick Answers

- **What is this?** Harman Kardon The Flow 300S is a Premium 3-inch (89mm) midrange car Speaker Designed for high-end Audio Upgrades, Often Used in 3-Way Systems. by harman kardon
- **How much does it cost?** ¥2376 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/597088728-harman-kardon-the-flow-300s-is-a-premium-3-inch)

## Best For

- harman kardon enthusiasts

## Why This Product

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

## Key Features

- • **Seamless 3-Way Upgrade:** Effortlessly elevate your system by adding 3-inch midrange woofers for immersive, layered sound.
- • **Audiophile-Grade Clarity:** Experience crystal-clear highs and distortion-free bass with Aluminum Deep Ceramic Composite Cones and Plus One Tech.
- • **Plug & Play Installation:** Includes all necessary hardware for a smooth, professional-grade upgrade to your car’s audio system.
- • **Tailored Fit, Sleek Design:** Shallow mounting structure ensures compatibility with most vehicles while adding a premium aesthetic.
- • **High-Resolution Audio Certified:** Enjoy every nuance of your favorite tracks with Hi-Res Audio support and a 3/4" Silk Dome Tweeter.

## Overview

The Harman Kardon Flow 300S is a premium 6.5-inch component car speaker system designed for high-fidelity audio upgrades. Featuring advanced Aluminum Deep Ceramic Composite Cones, Plus One Tech for enhanced bass, and a 3/4-inch Silk Dome Tweeter, it delivers crisp, distortion-free sound. Its shallow mounting design fits most vehicles and supports seamless 3-way system expansion with additional 3-inch midrange woofers, making it the ultimate choice for audiophiles seeking a luxurious in-car listening experience.

## Description

Elevate your drive with the Harman Kardon Flow Component Speaker System, a perfect choice for car audio enthusiasts seeking unparalleled sound quality. These 6.5" speakers are designed to deliver exceptional audio performance, featuring Aluminum Deep Ceramic Composite Cones and Plus One Tech for distortion-free, deep bass and a 3/4" Silk Dome Tweeter for crisp, high-resolution sound. The Aluminum Deep Ceramic Composite Cones ensure every note is crystal-clear, while the Plus One Tech enhances bass output, keeping it tight and precise at all volumes. The 3/4" Silk Dome Tweeter captures the subtlest sounds across all genres, offering a smooth, natural listening experience without fatigue. For those desiring the ultimate in car audio, the system offers 3-way upgradability. Easily add a pair of 3-inch Harman Kardon midrange woofers to upgrade to a luxurious 3-way system, further enhancing your component set with richer, more detailed sound. In essence, the Harman Kardon Flow Component Speaker System isn't just an audio upgrade—it's a transformation of your driving experience into an auditory journey of unparalleled clarity and depth. Ideal for audiophiles and those who love the finer things in life, these speakers promise to make every drive unforgettable.

## Features

- PREMIUM SOUND QUALITY: Elevate your driving experience with the Harman Kardon Flow Component Speaker System; These 6.5" speakers deliver exceptional audio performance, making them ideal for car audio enthusiasts seeking high-fidelity sound
- ADVANCED MATERIALS & TECHNOLOGY: Features Aluminum Deep Ceramic Composite Cones and Plus One Tech for clear, deep bass free from distortion. Enhanced by a 3/4" Silk Dome Tweeter for high-resolution sound
- 3-WAY UPGRADABILITY: The 3-way upgradability allows for an easy upgrade to a luxurious 3-way system with an additional pair of 3-inch Harman Kardon midrange woofers, taking your car speaker component set to the next level
- CUSTOM FIT FOR YOUR VEHICLE: Designed with a specific shallow structure, these component car speakers offer versatile mounting options, ensuring an ideal fit in most vehicles; Experience Harman Kardon's signature sound across a wider range of cars
- SLEEK AND STYLISH DESIGN: Complement your premium vehicle with these elegantly designed system; The sophistycated look, along with practical features like efficient cooling and easy installation, makes these speakers a top choice for car audio system

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CQPQKPTF |
| Additional Features | Hi Res Audio |
| Antenna Location | For Cars |
| Audio Driver Size | 6.5 Inches |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Best Sellers Rank | #100,463 in Electronics ( See Top 100 in Electronics ) #1,207 in Car Coaxial Speakers |
| Bluetooth Range | 10 Meters |
| Brand | Harman Kardon |
| Built-In Media | 2x Speakers 2x Grilles 8x Screws 8x Speed clips 2x EVA foam gasket 1x OM |
| Compatible Devices | Car Audio System |
| Connectivity Protocol | Bluetooth |
| Connectivity Technology | Bluetooth |
| Control Method | Remote |
| Customer Reviews | 3.2 3.2 out of 5 stars (21) |
| Enclosure Material | Aluminum |
| Is Waterproof | FALSE |
| Item Dimensions D x W x H | 3"D x 6.5"W x 6.8"H |
| MP3 player | No |
| Manufacturer | Harmon Kardon |
| Model Name | Flow Component Speaker System |
| Model Number | FLOW 300S |
| Mounting Type | Flush Mount |
| Number of Audio Channels | 2.0 |
| Number of Items | 6 |
| Power Source | Corded Electric |
| Speaker Maximum Output Power | 120 Watts |
| Speaker Size | 6.5 |
| Speaker Type | Component |
| Specific Uses For Product | For Cars |
| Subwoofer Connectivity Technology | Wired |
| Tweeter Diameter | 0.75 Inches |
| UPC | 028292289248 |
| Unit Count | 1.0 Count |
| Warranty Description | 90 Days |
| Warranty Type | Limited |
| Wireless Technology | Bluetooth |
| Woofer Diameter | 6.5 Inches |

## Product Details

- **Audio Output Mode:** Stereo
- **Brand:** Harman Kardon
- **Connectivity Technology:** Bluetooth
- **Mounting Type:** Flush Mount
- **Speaker Maximum Output Power:** 120 Watts

## Images

![Harman Kardon The Flow 300S is a Premium 3-inch (89mm) midrange car Speaker Designed for high-end Audio Upgrades, Often Used in 3-Way Systems. - Image 1](https://m.media-amazon.com/images/I/418f1HAVTaL.jpg)
![Harman Kardon The Flow 300S is a Premium 3-inch (89mm) midrange car Speaker Designed for high-end Audio Upgrades, Often Used in 3-Way Systems. - Image 2](https://m.media-amazon.com/images/I/81H5DKqKg2L.jpg)
![Harman Kardon The Flow 300S is a Premium 3-inch (89mm) midrange car Speaker Designed for high-end Audio Upgrades, Often Used in 3-Way Systems. - Image 3](https://m.media-amazon.com/images/I/51pe-1WU4WL.jpg)
![Harman Kardon The Flow 300S is a Premium 3-inch (89mm) midrange car Speaker Designed for high-end Audio Upgrades, Often Used in 3-Way Systems. - Image 4](https://m.media-amazon.com/images/I/51+bGuxveYL.jpg)

## Frequently Bought Together

- Harman Kardon Car Audio Premium Flow Component Speakers System - Deep Ceramic Composite Cones & High-Resolution Car Tweeter
- Harman Kardon Car Audio - 6.5 Premium Car Component Speakers - Deep Ceramic Composite Cones & High-Resolution Car Tweeter

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-07-05*