---
product_id: 617729328
title: "UD-RP401PRO Repair Kit - Replacement Diaphragm TS-B401PRO 4\" P.R.O. Series Bullet Tweeter"
brand: "pioneer"
price: "32807 Ft"
currency: HUF
in_stock: true
reviews_count: 13
category: "Pioneer"
url: https://www.desertcart.hu/products/617729328-ud-rp401pro-repair-kit-replacement-diaphragm-ts-b401pro-4-p
store_origin: HU
region: Hungary
---

# Optimized high-pass filter Premium titanium diaphragm Precision repair kit UD-RP401PRO Repair Kit - Replacement Diaphragm TS-B401PRO 4" P.R.O. Series Bullet Tweeter

**Brand:** pioneer
**Price:** 32807 Ft
**Availability:** ✅ In Stock

## Summary

> 🔊 Repair like a pro, sound like a legend!

## Quick Answers

- **What is this?** UD-RP401PRO Repair Kit - Replacement Diaphragm TS-B401PRO 4" P.R.O. Series Bullet Tweeter by pioneer
- **How much does it cost?** 32807 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/617729328-ud-rp401pro-repair-kit-replacement-diaphragm-ts-b401pro-4-p)

## 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

- • **Tailored for TS-B401PRO:** Exclusive compatibility ensures flawless restoration
- • **Upgrade Your Audio Game:** Say goodbye to patchwork—restore your car’s sound system like a pro
- • **Complete Repair Solution:** Includes diaphragm, high-pass filter & alignment pin for seamless DIY fix
- • **Field-Serviceable Design:** Empowers you to revive your tweeter at home without hassle
- • **Premium Titanium Diaphragm:** Elevate sound clarity with durable, high-performance materials

## Overview

The Pioneer UD-RP401PRO Repair Kit is a precision-engineered replacement kit designed exclusively for the TS-B401PRO 4" P.R.O. Series Bullet Tweeter. Featuring a premium titanium diaphragm, a pre-soldered high-pass filter capacitor, and an alignment pin, this kit enables hassle-free, at-home restoration of your car audio tweeter, ensuring optimal sound performance and durability. Perfect for millennial audiophiles who demand professional-grade repairs and crave flawless sound without the downtime.

## 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: Speakers - My husband loved them for his truck, I recommend them, they have great sound
Review: TS-B401PRO Pioneer 4" Tweeter - These tweeters are just nasty! Paired with a pair of D4S 65v2 and D4S JP84 amp. I still need to configure bridged to test the amplifier's performance. This chuchero box sounds wonderful and I'm still tuning on it. Pros: build quality, freq. response, rms capacity Cons: none for me I bet once it's bridged, it's going to stay that way. Including 2 10" DD Audio Redline 10" subs + DD Audio D1100 monoblock 1100w RMS amp. *** 10/23/2024 *** bridged the D4S JP84 amp @ 4Ohm 280w rms 2 channel and the 401Pro tweeters have fantastic performance. The D4S 65 v2 speakers have such a frequency response the tweeters are almost unnecessary. The audio system sound fabulous! It's like butter! *** 3/15/2025 *** Purchased a second JP84 amplifier to power these super tweeters. The JP84s consistently dyno at 300w RMS bridged @ 4Ohm so each tweeter will be receiving 150w RMS @ 4Ohm, as will each of the new 6.5" marine grade speaker upgrades (D4S HexiCone NEO HexiPRO cs65 6.5" carbon fiber speakers). Definitely increasing my -dBi!

## 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 |
| Audio Driver Type | Dynamic Driver |
| Best Sellers Rank | #1,397 in Speaker Repair Products |
| Color | Car Speaker Repair Kit |
| Compatible Devices | Car, Truck, Motorcycle |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.5 4.5 out of 5 stars (153) |
| Date First Available | October 1, 2023 |
| Impedance | 4 Ohms |
| Included Components | (1) High-pass filter capacitor (pre-soldered), (1) Titanium replacement tweeter diaphragm & voice coil, Owner's Manual, Warranty Card |
| Is Waterproof | False |
| Item Weight | 0.96 ounces |
| Item model number | UD-RP401PRO |
| Manufacturer | Pioneer |
| Material | Titanium |
| Model Name | PRO Series |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Product Dimensions | 0.13"D x 2"W x 2"H |
| Recommended Uses For Product | For Vehicles |
| Set Name | Pioneer PRO Series |
| Shape | rectangular prism |
| Speaker Size | 4 Inches |
| Speaker Type | Tweeter |
| Special Feature | Stereo Pairing |
| Specific Uses For Product | Vehicles |
| Style | Repair Kit |
| Subwoofer Connectivity Technology | Wired |
| Surround Sound Channel Configuration | 2.0 |
| Tweeter Diameter | 4 Inches |
| UPC | 884938510868 |
| Unit Count | 1.0 Count |
| Warranty Type | Limited |
| Wireless Communication Technology | 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

![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

### ⭐⭐⭐⭐⭐ Speakers
*by L***S on November 27, 2025*

My husband loved them for his truck, I recommend them, they have great sound

### ⭐⭐⭐⭐⭐ TS-B401PRO Pioneer 4" Tweeter
*by V***E on August 26, 2024*

These tweeters are just nasty! Paired with a pair of D4S 65v2 and D4S JP84 amp. I still need to configure bridged to test the amplifier's performance. This chuchero box sounds wonderful and I'm still tuning on it. Pros: build quality, freq. response, rms capacity Cons: none for me I bet once it's bridged, it's going to stay that way. Including 2 10" DD Audio Redline 10" subs + DD Audio D1100 monoblock 1100w RMS amp. *** 10/23/2024 *** bridged the D4S JP84 amp @ 4Ohm 280w rms 2 channel and the 401Pro tweeters have fantastic performance. The D4S 65 v2 speakers have such a frequency response the tweeters are almost unnecessary. The audio system sound fabulous! It's like butter! *** 3/15/2025 *** Purchased a second JP84 amplifier to power these super tweeters. The JP84s consistently dyno at 300w RMS bridged @ 4Ohm so each tweeter will be receiving 150w RMS @ 4Ohm, as will each of the new 6.5" marine grade speaker upgrades (D4S HexiCone NEO HexiPRO cs65 6.5" carbon fiber speakers). Definitely increasing my -dBi!

### ⭐⭐⭐⭐⭐ Great build and sound quality at a reasonable price
*by N***6 on October 28, 2024*

Pioneer TS-B351PRO 3.5" Bullet-type 4 ohm tweeter (sold as pair), replaceable voice coil capability High-quality alluminum construction and great sound. I had been eyeing these up for a upcoming project (custom-built concert-type speakers) for my backyard entertainment area. Ended up purchasing 2 pair of them during Amazon shopping days for a really good price. These are an improvement over the last model (TS-B350PRO), as they made the new TS- B351PRO with a replaceable voice coil for people who like to push the power limits of these tweeters. I plan on purchasing other P.R.O. series 4" tweeters, 6.5" mids, 8" woofers, and 12" subs for the rest of the project. I exclusively use Pioneer for all my audio. Please keep in mind, the P.R.O. series speakers were designed with more of an emphasis on power & SPL over sound quality. Don't get me wrong, the sound quality is very good though. It will do fine for this project. For my vehicles however, I prefer the route of sound quality over SPL, so I use their Z & PRS series components.

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-03-13*