---
product_id: 581899071
title: "Infinity Primus 603CF Primus Series 6-1/2\" 2-Way Component Speaker System, Pair"
brand: "infinity"
price: "4956 kr"
currency: NOK
in_stock: true
category: "Infinity"
url: https://www.desertcart.no/products/581899071-infinity-primus-603cf-primus-series-6-1-2-2-way
store_origin: NO
region: Norway
---

# Edge-driven silk dome tweeter for crisp highs 35% larger Plus One woofer cone area Compact design fits tight vehicle spaces Infinity Primus 603CF Primus Series 6-1/2" 2-Way Component Speaker System, Pair

**Brand:** infinity
**Price:** 4956 kr
**Availability:** ✅ In Stock

## Summary

> 🎵 Upgrade your ride with sound that turns heads and drops jaws!

## Quick Answers

- **What is this?** Infinity Primus 603CF Primus Series 6-1/2" 2-Way Component Speaker System, Pair by infinity
- **How much does it cost?** 4956 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/581899071-infinity-primus-603cf-primus-series-6-1-2-2-way)

## Best For

- infinity enthusiasts

## Why This Product

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

## Key Features

- • **Powerful Plus One Woofer:** Experience 35% more cone area for richer, fuller bass that commands attention on every drive.
- • **Space-Smart Installation:** Engineered for seamless fit in tight spots—no cutting or modifications needed, perfect for sleek, clean installs.
- • **Silk Dome Tweeter Clarity:** Edge-driven tweeters deliver crystal-clear highs and natural detail, making every note pop with precision.
- • **Complete Installation Kit Included:** All mounting hardware and accessories included for a hassle-free upgrade that gets you on the road faster.
- • **Consistent Infinity Sound Signature:** Tuned to maintain the iconic Infinity balance of bright mids and crisp highs, elevating your in-car audio game.

## Overview

The Infinity Primus 603CF is a 6.5-inch 2-way component speaker system featuring Harman’s patented Plus One woofer cone for 35% more cone area, edge-driven silk dome tweeters for expanded high-frequency clarity, and a compact design for easy installation in tight vehicle spaces. With a power handling of 60W RMS (180W peak), 92dB sensitivity, and a frequency response from 55Hz to 20kHz, it delivers crisp mids and highs with the signature Infinity sound. The package includes all necessary mounting hardware and crossovers, making it a professional-grade upgrade for car audio enthusiasts seeking bright, detailed sound without complicated installs.

## Description

Infinity PRIMUS 603CF Primus Series 6-1/2" 2-way Component Speaker System, Pair If you are looking to upgrade your driving experience with amazing audio, Infinity Primus has you covered with their patented Plus One woofer cone and edge-driven dome technology. Infinity's sound signature brings you lifelike vocals, crisp cymbals, and well-defined bass. Plus, their rich all-black color scheme seamlessly integrates into the car interior. Their radial starburst pattern is inspired by the icon of a supernova, punctuated with the mirror-like copper mobius strip logo. Features - Plus One Woofer Cone Architecture Edge-driven Silk Dome Tweeter Engineered to Fitment and Easy Installation Vented Basket Frame Design for Cooling Competitively Tuned In The Box - 2x Speakers 2x Tweeters 2x In-line crossovers 8x Screws for speakers 6x Screws for tweeter kits 8x Speed clips 2x Threaded flush-mount adapters 2x Plastics locking nuts 2x Surface-mount cups 2x Starfish tweeter mounts 2x Foam gaskets 2x Brand stickers 1x Owner’s manual General Specifications - Woofer: 6.5" Polypropylene Driver Tweeter: 3/4" Silk Dome Power Handling: 60Wrms, 180W peak Sensitivity (2.83V@1m): 92dB Frequency Response (-6dB): 55Hz – 20kHz Nominal Impedance: 3.0 ohms Crossover Point: 5kHz@12dB/octave.

## Features

- Harman’s patented Plus One cones provide more overall speaker cone area (up to 35%) than other cones in its class
- Infinity Primus speakers are engineered with edge-driven silk dome tweeters which expand the high-frequency range and ensure you'll hear all the natural detail of your favorite tunes.
- Infinity Primus speakers feature a compact design for easy installation in tight spaces, allowing them to fit into more vehicles without the need for modifications and cutting.
- Infinity Primus speakers are carefully tuned to ensure each line has the consistent Infinity sound signature.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B8F3TWS6 |
| Additional Features | Plus One Woofer Cone, Vented Basket Frame Design for Cooling |
| Age Range Description | Adult |
| Antenna Location | For Custom Audio Installations, For Surround Sound Systems |
| Audio Driver Size | 6.5 Inches |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Brand | Infinity |
| Built-In Media | 2x Speakers, 2x Tweeters, 2x In-line crossovers, 8x Screws for speakers, 6x Screws for tweeter kits, 8x Speed clips, 2x Threaded flush-mount adapters, 2x Plastics locking nuts, 2x Surface-mount cups, 2x Starfish tweeter mounts, 2x Foam gaskets, 2x Brand stickers, 1x Owner’s manual |
| Color | black |
| Compatible Devices | Car |
| Compatible with Vehicle Type | & SUVs, Select Cars, Truck |
| Connectivity Protocol | Coaxial |
| Connectivity Technology | Coaxial |
| Control Method | Touch |
| Customer Package Type | FFP |
| Customer Reviews | 4.2 4.2 out of 5 stars (106) |
| Enclosure Material | Polypropylene, Silk |
| Frequency Response | 55 Hz |
| Impedance | 3 Ohms |
| Is Waterproof | False |
| Item Dimensions D x W x H | 38.1D x 12.7W x 20.3H centimeters |
| MP3 player | No |
| Manufacturer | Infinity |
| Model Name | PR603CF |
| Model Number | PR603CF |
| Mounting Type | Flush Mount |
| Number of Audio Channels | 2 |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Series Number | 603 |
| Speaker Maximum Output Power | 120 Watts |
| Speaker Size | 6.5 Inches |
| Speaker Type | Component |
| Specific Uses For Product | in-car audio systems |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 6.5 Inches |
| Tweeter Diameter | 0.75 Inches |
| UPC | 050667379766 |
| Wireless Technology | No wireless communication technology |
| Woofer Diameter | 6.5 Inches |

## Product Details

- **Audio output mode:** Stereo
- **Brand:** Infinity
- **Connectivity technology:** Coaxial
- **Frequency response:** 55 Hz
- **Speaker maximum output power:** 120 Watts

## Images

![Infinity Primus 603CF Primus Series 6-1/2" 2-Way Component Speaker System, Pair - Image 1](https://m.media-amazon.com/images/I/61nnQEeLp5L.jpg)

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*Product available on Desertcart Norway*
*Store origin: NO*
*Last updated: 2026-11-04*