---
product_id: 586222248
title: "PIONEER UD-RP401PRO Repair Kit - Replacement Diaphragm TS-B401PRO 4\" P.R.O. Series Bullet Tweeter"
brand: "pioneer"
price: "$83.14"
currency: USD
in_stock: true
reviews_count: 5
category: "Pioneer"
url: https://www.desertcart.us/products/586222248-pioneer-ud-rp401pro-repair-kit-replacement-diaphragm-ts-b401pro-4
store_origin: US
region: United States of America
---

# 4" Titanium Diaphragm Tweeter Field-Serviceable DIY Repair Kit Includes High-pass Filter & Alignment Pin PIONEER UD-RP401PRO Repair Kit - Replacement Diaphragm TS-B401PRO 4" P.R.O. Series Bullet Tweeter

**Brand:** pioneer
**Price:** $83.14
**Availability:** ✅ In Stock

## Summary

> 🔊 Revive Your Ride’s Soundstage with Pro-Level Precision!

## Quick Answers

- **What is this?** PIONEER UD-RP401PRO Repair Kit - Replacement Diaphragm TS-B401PRO 4" P.R.O. Series Bullet Tweeter by pioneer
- **How much does it cost?** $83.14 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/586222248-pioneer-ud-rp401pro-repair-kit-replacement-diaphragm-ts-b401pro-4)

## Best For

- pioneer enthusiasts

## Why This Product

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

## Key Features

- • **Complete DIY Repair Solution:** Restore your Pioneer TS-B401PRO tweeter effortlessly at home—no expensive replacements, just plug-and-play precision.
- • **Lightweight & Compact Design:** At just 0.06 lbs and 5.1 cm dimensions, this kit fits perfectly without adding bulk—upgrade your sound discreetly.
- • **Exclusive Compatibility Guarantee:** Designed specifically for the TS-B401PRO, ensuring seamless fit and flawless performance every time.
- • **Precision-Tuned Titanium Diaphragm:** Experience crystal-clear highs with durable, premium-grade titanium components engineered for superior sound fidelity.
- • **Optimized High-Pass Filter Included:** Maintain perfect audio balance and protect your system with the pre-soldered high-pass filter capacitor.

## Overview

The Pioneer UD-RP401PRO Repair Kit is a specialized replacement kit designed exclusively for the TS-B401PRO 4" P.R.O. Series tweeter. Featuring a premium titanium diaphragm, a pre-soldered high-pass filter, and an alignment pin, this lightweight, field-serviceable kit empowers users to perform professional-grade repairs at home, restoring optimal audio performance and extending the life of their car audio system.

## Description

Transform your audio experience with the UD-RP401PRO Repair Kit, exclusively tailored to revive the Pioneer TS-B401PRO Tweeter car audio speaker. If you've been a bit too enthusiastic with the volume, fear not – this repair kit is your ticket to seamless restoration. The TS-B401PRO Tweeter is designed as a field-serviceable unit, ensuring hassle-free repairs using the UD-RP401PRO kit. Equipped with premium components, the repair kit includes Titanium Diaphragm Tweeter assembly parts, a high-pass filter, and an alignment pin for straightforward installation. These quality elements not only facilitate a comprehensive restoration but also guarantee optimal functionality, allowing you to crank up the volume worry-free, knowing that a simple, at-home repair is just a kit away. Unlike basic patchwork solutions, the UD-RP401PRO repair kit elevates your repair game. Say goodbye to makeshift fixes – this kit empowers you to bring your car speaker back to life with thorough precision. While the kit provides everything you need for a transformative fix, you'll need to grab your own Allen wrench and screwdriver to complete the process. For detailed instructions and repair information, consult the Owner's Manual located near the bottom of this page under Technical Specifications. With the UD-RP401PRO Repair Kit, bring new life and enhanced audio quality to your car's sound system.

Review: I'm not saying because they are too good and I need more.
Review: Vino con detalles estéticos de rayones,sin protección y la caja del.envoltorio maltratada,como de mala conservacion,solo espero q funcione bien,sobre todo por lo caro que cuesta

## Features

- Specific Compatibility - Got a bit too enthusiastic with the volume? No worries, the UD-RP401PRO Repair Kit is exclusively designed for the repair of the Pioneer TS-B401PRO Tweeter car audio speaker to ensure optimal functionality.
- Revive Your TS-B401PRO - The TS-B401PRO Tweeter is a field serviceable unit designed for hassle-free repair using the UD-RP401PRO repair kit. Crank up the volume worry-free, with the assurance of an easy, at-home repair.
- Includes Premium Components - Repair Kit features premium Titanium Diaphragm Tweeter assembly parts, a high-pass filter, and an alignment pin for straightforward installation.
- Say Goodbye to Basic Patchwork Solutions – The UD-RP401PRO repair kit empowers you to perform a comprehensive restoration on your car speaker. Just grab your own Allen wrench and screwdriver, and you're ready to breathe new life into your sound system.
- Instruction & Repair Information – Please see the Owner’s Manual for full detail and repair directions found near the bottom of this page (Technical Specifications).

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CHLHDBXW |
| Best Sellers Rank | #11,199 in Electronics ( See Top 100 in Electronics ) |
| Colour | Car Speaker Repair Kit |
| Compatible devices | Car, Truck, Motorcycle |
| Control method | Voice |
| Impedance | 4 Ohms |
| Included components | (1) High-pass filter capacitor (pre-soldered), (1) Titanium replacement tweeter diaphragm & voice coil, 1 Year Warranty Card, Owner's Manual |
| Is waterproof | False |
| Item model number | UD-RP401PRO |
| Item weight | 0.06 Pounds |
| Manufacturer | Pioneer Corporation |
| Material | Titanium |
| Model name | PRO Series |
| Number of Items | 1 |
| Power source | Corded Electric |
| Product dimensions | 0.3D x 5.1W x 5.1H centimeters |
| Recommended uses for product | For Vehicles |
| Speaker size | 4 Inches |
| Speaker type | Tweeter |
| Special features | Stereo Pairing |
| Subwoofer diameter | 4 Inches |
| Surround sound channel configuration | 2.0 |
| Unit count | 1 Count |
| Warranty type | Limited |
| Wireless communication technologies | No Wireless Communication Technology |

## Product Details

- **Audio output mode:** Stereo
- **Brand:** PIONEER
- **Connectivity technology:** Coaxial
- **Mounting type:** Flush Mount
- **Speaker maximum output power:** 600 Watts

## Images

![PIONEER UD-RP401PRO Repair Kit - Replacement Diaphragm TS-B401PRO 4" P.R.O. Series Bullet Tweeter - Image 1](https://m.media-amazon.com/images/I/61jP9SOSGbL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by B***M on 24 January 2025*

I'm not saying because they are too good and I need more.

### ⭐⭐⭐ Review
*by J***S on 16 August 2025*

Vino con detalles estéticos de rayones,sin protección y la caja del.envoltorio maltratada,como de mala conservacion,solo espero q funcione bien,sobre todo por lo caro que cuesta

### ⭐ Review
*by P***O on 31 October 2025*

Muy buenos buenísimos

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-04*