---
product_id: 174274196
title: "Custom MDF Tweeter Adapter Rings 2.91\" ID x 4.33\" OD Car Audio Installation (4 Pairs - 8 Rings)"
brand: "pipeman's installation solution"
price: "HK$491"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/174274196-custom-mdf-tweeter-adapter-rings-2-91-id-x-4
store_origin: HK
region: Hong Kong
---

# 2.91" ID, 4.33" OD CNC Milled Precision Customizable Fit Custom MDF Tweeter Adapter Rings 2.91" ID x 4.33" OD Car Audio Installation (4 Pairs - 8 Rings)

**Brand:** pipeman's installation solution
**Price:** HK$491
**Availability:** ✅ In Stock

## Summary

> 🔊 Elevate Your Sound Experience!

## Quick Answers

- **What is this?** Custom MDF Tweeter Adapter Rings 2.91" ID x 4.33" OD Car Audio Installation (4 Pairs - 8 Rings) by pipeman's installation solution
- **How much does it cost?** HK$491 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/174274196-custom-mdf-tweeter-adapter-rings-2-91-id-x-4)

## Best For

- pipeman's installation solution enthusiasts

## Why This Product

- Trusted pipeman's installation solution brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Complete Set:** Includes 4 pairs (8 rings) to ensure you have everything you need.
- • **Durable Material:** Constructed from high-grade 3/4" MDF for long-lasting performance.
- • **Customizable Design:** Easily modify to achieve the perfect fit for your unique setup.
- • **Precision Engineering:** Crafted with CNC milling for unmatched accuracy.
- • **Versatile Applications:** Perfect for car audio installations and fiberglass projects.

## Overview

These Custom MDF Tweeter Adapter Rings are precision CNC milled from high-grade MDF, designed for seamless car audio installation. With a hole cutout of 2.91" ID and an outer diameter of 4.33", they offer versatility for various projects, including fiberglass applications. Each set includes 4 pairs (8 rings total), ensuring you have the right components for a flawless audio upgrade.

## Description

Custom MDF Tweeter Adapter Rings 2.91" ID x 4.33" OD Car Audio Installation (4 Pairs - 8 Rings)

## Features

- Tweeter rings/adapters are CNC milled from top grade MDF
- Hole Cutout: 2 3/4" Outside Diameter: 4 1/4" Made with 3/4" MDF
- Can be used for fiberglass projects
- They can easily be customized for specific sizes and applications by being filed, sanded, shaved to size for a perfect fit.
- 4 Pairs of Tweeter Rings (8 Rings in Total)

## Images

![Custom MDF Tweeter Adapter Rings 2.91" ID x 4.33" OD Car Audio Installation (4 Pairs - 8 Rings) - Image 1](https://m.media-amazon.com/images/I/61I7brUqfCL.jpg)
![Custom MDF Tweeter Adapter Rings 2.91" ID x 4.33" OD Car Audio Installation (4 Pairs - 8 Rings) - Image 2](https://m.media-amazon.com/images/I/41R6tZYtm9L.jpg)
![Custom MDF Tweeter Adapter Rings 2.91" ID x 4.33" OD Car Audio Installation (4 Pairs - 8 Rings) - Image 3](https://m.media-amazon.com/images/I/4163kR1o1AL.jpg)
![Custom MDF Tweeter Adapter Rings 2.91" ID x 4.33" OD Car Audio Installation (4 Pairs - 8 Rings) - Image 4](https://m.media-amazon.com/images/I/41Mqjl0j+5L.jpg)
![Custom MDF Tweeter Adapter Rings 2.91" ID x 4.33" OD Car Audio Installation (4 Pairs - 8 Rings) - Image 5](https://m.media-amazon.com/images/I/61U+3wtzCKL.jpg)

---

## 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.hk/products/174274196-custom-mdf-tweeter-adapter-rings-2-91-id-x-4](https://www.desertcart.hk/products/174274196-custom-mdf-tweeter-adapter-rings-2-91-id-x-4)

---

*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-02*