---
product_id: 492131114
title: "Primus 503CF 5.25 Inch 2 Way Car Speaker System"
brand: "infinity"
price: "58.73 OMR"
currency: OMR
in_stock: true
category: "Infinity"
url: https://www.desertcart.com.om/products/492131114-primus-503cf-5-25-inch-2-way-car-speaker-system
store_origin: OM
region: Oman
---

# Edge-driven silk dome tweeters for crisp highs 35% larger Plus One woofer cone area Compact design fits tight spaces easily Primus 503CF 5.25 Inch 2 Way Car Speaker System

**Brand:** infinity
**Price:** 58.73 OMR
**Availability:** ✅ In Stock

## Summary

> 🎧 Upgrade your drive with sound that commands attention!

## Quick Answers

- **What is this?** Primus 503CF 5.25 Inch 2 Way Car Speaker System by infinity
- **How much does it cost?** 58.73 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/492131114-primus-503cf-5-25-inch-2-way-car-speaker-system)

## 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

- • **Hear Every Detail:** Edge-driven silk dome tweeters extend high-frequency range for crystal-clear vocals and instruments.
- • **Seamless Installation:** Compact, flush-mount design fits more vehicles without cutting or modifications.
- • **Expand Your Soundstage:** Plus One woofer cone delivers up to 35% more cone area for richer bass and fuller sound.
- • **Stay Cool Under Pressure:** Super-rigid vented baskets wick heat away, ensuring reliable performance on every drive.
- • **Consistent Infinity Signature:** Expertly tuned for balanced, natural sound that elevates your in-car audio experience.

## Overview

The Infinity Primus 503CF is a 5.25-inch 2-way coaxial car speaker system featuring Harman’s patented Plus One woofer cone for 35% more cone area, edge-driven silk dome tweeters for expanded high frequencies, and a compact design for easy installation. Its vented basket design cools voice coils for durability, delivering consistent, high-quality sound tailored for a premium in-car audio upgrade.

## Description

Buy Infinity Primus 503CF 5.25 Inch 2 Way Car Speaker System: Coaxial Speakers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## 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.
- The super-rigid vented baskets help to cool the voice coils making for a reliable speaker. They provide a real world benefit by wicking heat way from the motor structure almost like a fan as the cone moves through its stroke.
- Infinity Primus speakers are carefully tuned to ensure each line has the consistent Infinity sound signature.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B8F6YP9G |
| Additional Features | Plus One Woofer Cone Architecture, Edge-driven Silk Dome Tweeter |
| Antenna Location | car |
| Audio Driver Size | 5.25 inches |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Best Sellers Rank | #145,934 in Electronics ( See Top 100 in Electronics ) #1,672 in Car Coaxial Speakers |
| 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 | Vehicle's Audio System |
| Compatible with Vehicle Type | & SUVs, Select Cars, Truck |
| Connectivity Protocol | Coaxial |
| Connectivity Technology | Coaxial |
| Control Method | Voice |
| Controller Type | Voice Control |
| Customer Reviews | 3.8 3.8 out of 5 stars (12) |
| Enclosure Material | Polypropylene |
| Frequency Response | 75 hertz |
| Impedance | 3 ohm |
| Is Waterproof | FALSE |
| Item Dimensions D x W x H | 12"D x 4.5"W x 7"H |
| Item Weight | 3.3 pounds |
| Manufacturer | Infinity |
| Model Name | PR503CF |
| Model Number | PR503CF |
| Mounting Type | Flush Mount |
| Number of Audio Channels | 2 |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Speaker Maximum Output Power | 100 watts |
| Speaker Size | 5.25 inches |
| Speaker Type | Component |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 5.25 inches |
| UPC | 050667379827 |
| Unit Count | 1 Count |
| Warranty Description | 1-Year Manufacturer Warranty |
| Warranty Type | Limited |
| Woofer Diameter | 5.25 inches |

## Product Details

- **Audio Output Mode:** Stereo
- **Brand:** Infinity
- **Connectivity Technology:** Coaxial
- **Frequency Response:** 75 hertz
- **Speaker Maximum Output Power:** 100 watts

## Images

![Primus 503CF 5.25 Inch 2 Way Car Speaker System - Image 1](https://m.media-amazon.com/images/I/61zsYBrcEAL.jpg)

## Frequently Bought Together

- Infinity Primus 503CF Primus Series 5-1/4" 2-Way Component Speaker System, Pair
- Infinity Primus 503F Primus Series 5-1/4 2-Way Multi-Element Speakers, Pair

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**Shop now:** [https://www.desertcart.com.om/products/492131114-primus-503cf-5-25-inch-2-way-car-speaker-system](https://www.desertcart.com.om/products/492131114-primus-503cf-5-25-inch-2-way-car-speaker-system)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-09-19*