---
product_id: 511643318
title: "Infinity Primus 503F 5.25 2 Way Car Speakers - Pair"
brand: "infinity"
price: "₹ 14112"
currency: INR
in_stock: true
category: "Infinity"
url: https://www.desertcart.in/products/511643318-infinity-primus-503f-5-25-2-way-car-speakers-pair
store_origin: IN
region: India
---

# Edge-driven silk dome tweeter for crisp highs 35% larger Plus One™ woofer cone area Vented basket frame cools voice coils Infinity Primus 503F 5.25 2 Way Car Speakers - Pair

**Brand:** infinity
**Price:** ₹ 14112
**Availability:** ✅ In Stock

## Summary

> 🎵 Elevate your drive with Infinity’s science-backed sound mastery!

## Quick Answers

- **What is this?** Infinity Primus 503F 5.25 2 Way Car Speakers - Pair by infinity
- **How much does it cost?** ₹ 14112 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/511643318-infinity-primus-503f-5-25-2-way-car-speakers-pair)

## 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

- • **Cool Under Pressure:** Super-rigid vented baskets act like a fan to wick heat away, reducing distortion at high volumes for reliable performance.
- • **Crystal Clear Highs:** Edge-driven silk dome tweeters expand your soundstage with natural, detailed treble that brings every note to life.
- • **Signature Infinity Sound:** Expertly tuned to deliver consistent, immersive audio that transforms your daily drive into a concert on wheels.
- • **Seamless Fit, Zero Hassle:** Compact design engineered for easy installation in tight spaces—no cutting or modifications needed.
- • **Boost Your Bass with Plus One™:** Experience up to 35% more cone area for deeper, richer lows and 2dB higher sensitivity than competitors.

## Overview

The Infinity PR503F 5.25" 2-way car speakers feature Harman’s patented Plus One™ woofer cone technology, providing up to 35% more cone area for enhanced bass and sensitivity. Equipped with edge-driven silk dome tweeters, these speakers deliver expanded high-frequency detail. Their compact design ensures easy installation in most vehicles without modifications, while vented basket frames cool the voice coils to minimize distortion and improve reliability. Perfect for professionals seeking premium sound quality and effortless integration.

## Description

Refresh Your Car with Infinity Science-Inspired Design SpeakersIf 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. There are 8 models for the family and all features a compact design for easy installation in any vehicle. Primus delivers great Infinity sound at a price that's hard to beat.FeaturesPlus One™ Woofer Cone ArchitectureEdge-driven Silk Dome TweeterEngineered to Fitment and Easy InstallationVented Basket Frame Design for CoolingCompetitively TunedPlus One™ Woofer Cone ArchitectureHarman’s patented (US patent #7548631) Plus One™ cones provide more overall speaker cone area (up to 35%) than other cones in its class - the result is higher sensitivity (increase up to 2dB) increased low frequency output and greater musical character.Edge-driven Silk Dome TweeterInfinity 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.Engineered to Fitment and Easy InstallationInfinity 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. Vented Basket Frame Design for CoolingThe super-rigid vented baskets help to cool the voice coils making for a reliable speaker. Not only do these look cool but 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. The benefits are lower distortion at high output

## 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 | B0B8F84P5H |
| Additional Features | Tweeters |
| Antenna Location | car |
| Audio Driver Size | 5.25 Inches |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Best Sellers Rank | #125,902 in Electronics ( See Top 100 in Electronics ) #1,458 in Car Coaxial Speakers |
| Brand | Infinity |
| Built-In Media | PR503F |
| Color | Black |
| Compatible Devices | Smartphone, Tablet, Laptop, Desktop |
| Compatible with Vehicle Type | & SUVs, Select Cars, Truck |
| Connectivity Protocol | Coaxial |
| Connectivity Technology | Coaxial |
| Control Method | Touch |
| Controller Type | Voice Control |
| Customer Reviews | 4.4 4.4 out of 5 stars (17) |
| Enclosure Material | Polypropylene, Silk |
| Frequency Response | 75 Hz |
| Impedance | 3 Ohms |
| Is Waterproof | FALSE |
| Item Dimensions D x W x H | 12"D x 4.5"W x 7"H |
| MP3 player | No |
| Manufacturer | Infinity |
| Model Name | PR503F |
| Model Number | INFSPKPR503F |
| Mounting Type | Flush Mount |
| Number Of Circuits | 2 |
| Number of Audio Channels | 2.0 |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Series Number | 503 |
| Speaker Maximum Output Power | 80 Watts |
| Speaker Size | 5.25 Inches |
| Speaker Type | Coaxial |
| Specific Uses For Product | In-car audio systems |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 5.25 Inches |
| Tweeter Diameter | 1 Inches |
| UPC | 050667379810 |
| Unit Count | 1.0 Count |
| Warranty Description | 1-Year Manufacturer Warranty |
| Warranty Type | Limited |
| Water Resistance Level | Not Water Resistant |
| Woofer Diameter | 5.25 Inches |

## Product Details

- **Audio Output Mode:** Stereo
- **Brand:** Infinity
- **Connectivity Technology:** Coaxial
- **Frequency Response:** 75 Hz
- **Speaker Maximum Output Power:** 80 Watts

## Images

![Infinity Primus 503F 5.25 2 Way Car Speakers - Pair - Image 1](https://m.media-amazon.com/images/I/61ZNtNm6mVL.jpg)

## Frequently Bought Together

- Infinity Primus 503F Primus Series 5-1/4 2-Way Multi-Element Speakers, Pair
- Infinity Primus 603CF Primus Series 6-1/2" 2-Way Component Speaker System, Pair
- Metra 72-4568 Speaker Harness for Select 1988-UP GM Vehicles,Black

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*Product available on Desertcart India*
*Store origin: IN*
*Last updated: 2026-08-10*