---
product_id: 584635403
title: "GTO609C 270 Watts 6-1/2/'' Premium Car Audio Component Stereo Speaker System with Patented Plus One Woofer-Cone Technology Plus Alphasonik 6-1/2/'' Component Speaker GTO609C+ALPHA"
brand: "jbl"
price: "฿21311"
currency: THB
in_stock: true
category: "Jbl"
url: https://www.desertcart.co.th/products/584635403-gto609c-270-watts-6-1-2-premium-car-audio-component
store_origin: TH
region: Thailand
---

# 270W RMS power per speaker 67-21,000 Hz wide frequency range Patented Plus One woofer cone tech GTO609C 270 Watts 6-1/2/'' Premium Car Audio Component Stereo Speaker System with Patented Plus One Woofer-Cone Technology Plus Alphasonik 6-1/2/'' Component Speaker GTO609C+ALPHA

**Brand:** jbl
**Price:** ฿21311
**Availability:** ✅ In Stock

## Summary

> 🎶 Upgrade your drive with JBL’s power-packed precision sound!

## Quick Answers

- **What is this?** GTO609C 270 Watts 6-1/2/'' Premium Car Audio Component Stereo Speaker System with Patented Plus One Woofer-Cone Technology Plus Alphasonik 6-1/2/'' Component Speaker GTO609C+ALPHA by jbl
- **How much does it cost?** ฿21311 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/584635403-gto609c-270-watts-6-1-2-premium-car-audio-component)

## Best For

- jbl enthusiasts

## Why This Product

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

## Key Features

- • **Hear Every Detail:** Experience a broad 67-21,000 Hz frequency response that captures every nuance from deep bass to sparkling highs.
- • **Seamless Integration:** 3-ohm voice coils optimize power use with factory wiring and your existing head unit or amplifier for effortless upgrades.
- • **Power that Packs a Punch:** Deliver crystal-clear sound with 270 watts RMS per speaker, ensuring your car audio is always concert-level loud.
- • **Innovative Plus One Woofer:** Patented carbon-injected cone technology boosts output without extra power—more sound, less strain.
- • **Built to Last, Built to Perform:** Vented magnet and high-thermal voice coil design keep your speakers cool and durable for the long haul.

## Overview

The JBL GTO609C+ALPHA is a premium 6.5-inch car component speaker system delivering 270 watts RMS per speaker with patented Plus One woofer cone technology. Featuring a wide 67-21,000 Hz frequency response, 3-ohm voice coils for efficient power use, and a vented magnet design for heat dissipation, it offers a durable, high-performance audio upgrade that brings your music to life on the road.

## Description

The JBL GTO series speakers are the perfect upgrade to your existing speakers. They are designed with a carbon-injected cone material to accurately reproduce music the way the artist originally intended. The three ohm voice coils allow the speaker to operate at an efficient 4 ohms once they are being powered, allowing them to utilize every watt of power your head-unit or 4ohm stable amplifier can produce. These speakers feature a vented magnet with a high thermal-capable voice coil which effectively dissipates heat, ensuring the longevity of your investment. The edge-driven speaker cones allow greater sound levels with the same amount of power. The wide frequency responses that these speakers provide will leave your ears very satisfied when you're listening to your favorite songs. If quality is your goal, the GTO series speakers by JBL have the technologies to make that happen.

## Features

- Power Handling: Peak: 540 watts per pair / 270 watts each RMS: 180 watts per pair / 90 watts each
- Patented Plus One woofer-cone technology increased output with no extra power
- Three-ohm voice coils allow compensation for added resistance by thin factory speaker wiring
- External 12dB/octave crossover filters remove harmful frequencies
- 3 ohms impedance Frequency response: 67-21,000 Hz Top-mount depth: 2-1/16" Sensitivity: 92dB

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CNJSY5TT |
| Additional Features | Bass Boost |
| Antenna Location | For Car |
| Audio Driver Size | 6.5 inches |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Best Sellers Rank | #221,110 in Electronics ( See Top 100 in Electronics ) #282 in Car Component Speakers #2,519 in Car Coaxial Speakers |
| Brand | JBL |
| Built-In Media | JBL GTO series speakers, Alphasonik 6-1/2/'' Component Speaker GTO609C+ALPHA |
| Compatible Devices | Desktop, Laptop, MP3 Player, Projector, Smartphone, Tablet, Television |
| Compatible with Vehicle Type | Car |
| Connectivity Protocol | wired |
| Connectivity Technology | Auxiliary |
| Control Method | Touch |
| Controller Type | Voice control |
| Customer Package Type | FFP |
| Customer Reviews | 4.4 4.4 out of 5 stars (46) |
| Enclosure Material | Plus One carbon-injected, soft dome |
| Frequency Response | 67000 hertz |
| Impedance | 3 ohm |
| Is Waterproof | FALSE |
| Manufacturer | Harman Kardon |
| Model Name | GTO609C+ALPHA |
| Model Number | GTO609C+ALPHA |
| Mounting Type | Flush Mount |
| Number of Audio Channels | 2 |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Speaker Maximum Output Power | 270 watts |
| Speaker Size | 6.5 inches |
| Speaker Type | Component |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 6.5 inches |
| UPC | 754220887049 |
| Unit Count | 1 Count |
| Warranty Type | Limited |
| Woofer Diameter | 6.5 inches |

## Product Details

- **Audio Output Mode:** Stereo
- **Brand:** JBL
- **Connectivity Technology:** Auxiliary
- **Frequency Response:** 67000 hertz
- **Speaker Maximum Output Power:** 270 watts

## Images

![GTO609C 270 Watts 6-1/2/'' Premium Car Audio Component Stereo Speaker System with Patented Plus One Woofer-Cone Technology Plus Alphasonik 6-1/2/'' Component Speaker GTO609C+ALPHA - Image 1](https://m.media-amazon.com/images/I/41kYw3SsQfL.jpg)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-09-22*