---
product_id: 617502769
title: "Infinity REF307F Reference Series 3.5\" Extreme-Performance Automotive coaxial Speakers"
brand: "infinity"
price: "€ 182.19"
currency: EUR
in_stock: true
url: https://www.desertcart.it/products/617502769-infinity-ref307f-reference-series-3-5-extreme-performance-automotive-coaxial
store_origin: IT
region: Italy
---

# Audiophile-grade tweeters for crystal-clear highs Plus One cone tech for bigger sound & deeper bass Tweeter output control for personalized sound tuning Infinity REF307F Reference Series 3.5" Extreme-Performance Automotive coaxial Speakers

**Brand:** infinity
**Price:** € 182.19
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your drive with sound that commands attention

## Quick Answers

- **What is this?** Infinity REF307F Reference Series 3.5" Extreme-Performance Automotive coaxial Speakers by infinity
- **How much does it cost?** € 182.19 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/617502769-infinity-ref307f-reference-series-3-5-extreme-performance-automotive-coaxial)

## 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

- • **Custom Sound Control:** Tweeter output adjustment tailors audio to your ride and vibe
- • **Precision Engineered:** Patented Harman tech ensures accurate, immersive music reproduction
- • **Compact Fit, Big Impact:** Designed to seamlessly install in virtually any vehicle
- • **Plus One Cone Advantage:** Larger cone area means louder, richer bass and enhanced sensitivity
- • **Audiophile-Grade Clarity:** Experience smooth, non-fatiguing highs even at max volume

## Overview

The InfinityREF307F Reference Series 3.5" coaxial speakers combine audiophile-grade tweeters with patented Plus One cone technology, delivering superior clarity, enhanced bass, and customizable output control in a compact design that fits nearly any vehicle.

## Description

Infinity REF307F Reference Series 3.5" Extreme-Performance Automotive coaxial Speakers

## Features

- The audiophile-grade tweeters used in Infinity's new Reference speakers deliver smooth, non-fatiguing sound even at high output levels.
- The larger Reference multielement and component systems offer a tweeter output level control to optimize system linearity to suit installation location or the listener's preference.
- Harman’s patented (US patent #7,548,631) Plus One cones provide more overall speaker-cone area than other cones in its class - the result is higher sensitivity, increased low-frequency output and accurate music reproduction.
- Reference speakers are available in a range of standard sizes, and feature a compact design that allows them to fit just about any vehicle on the road today.

## Product Details

- **Brand:** Infinity
- **Speaker maximum output power:** 50 Watts
- **Frequency response:** 21 KHz
- **Connectivity technology:** Coaxial
- **Audio output mode:** Stereo

## Images

![Infinity REF307F Reference Series 3.5" Extreme-Performance Automotive coaxial Speakers - Image 1](https://m.media-amazon.com/images/I/61lfOOqLRVL.jpg)

## Available Options

This product comes in different **Style** options.

## Frequently Bought Together

- Infinity REF307F Reference Series 3.5" Extreme-Performance Automotive coaxial Speakers
- RED WOLF Front Dash Tweeters Speaker Wiring Harness Adapter Connector Plug Replacement for Dodge Ram Jeep Chrysler 2005-2022 Aftermarket Dash Tweeters Audio Cable Plug 2PC
- Metra 72-6514 Speaker Harness for Select Chrysler/Dodge Vehicles

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.it/products/617502769-infinity-ref307f-reference-series-3-5-extreme-performance-automotive-coaxial](https://www.desertcart.it/products/617502769-infinity-ref307f-reference-series-3-5-extreme-performance-automotive-coaxial)

---

*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-02-23*