---
product_id: 10448808
title: "RPST400 Replacement Diaphragm for ST400"
brand: "selenium"
price: "€ 54.62"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/10448808-rpst400-replacement-diaphragm-for-st400
store_origin: NL
region: Netherlands
---

# Factory-original replacement Durable long-life performance Precision-engineered diaphragm RPST400 Replacement Diaphragm for ST400

**Brand:** selenium
**Price:** € 54.62
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your ST400 with factory precision and never miss a beat!

## Quick Answers

- **What is this?** RPST400 Replacement Diaphragm for ST400 by selenium
- **How much does it cost?** € 54.62 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/10448808-rpst400-replacement-diaphragm-for-st400)

## Best For

- selenium enthusiasts

## Why This Product

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

## Key Features

- • **Extended Durability:** Built to withstand rigorous use, minimizing maintenance interruptions.
- • **Effortless Installation:** Designed for quick replacement to get you back in action faster.
- • **Factory-Original Quality:** Guaranteed genuine selenium diaphragm for unmatched reliability.
- • **Optimize Your Sound System:** Enhance audio clarity and consistency with this essential upgrade.
- • **Precision Fit, Zero Downtime:** Seamlessly restores your ST400’s peak performance with exact factory specs.

## Overview

The RPST400 Replacement Diaphragm is a factory-original selenium diaphragm designed specifically for the ST400 model, ensuring precise fit and long-lasting durability to maintain optimal audio performance.

## Description

Selenium RPST400 Replacement Diaphragm for ST400

## Features

- Selenium diaphragm for a st400
- Comes with factory

## Product Details

- **Brand:** Selenium
- **Connectivity Technology:** RCA
- **Audio Output Mode:** Stereo
- **Mounting Type:** Flush Mount
- **Speaker Type:** Monitor

## Images

![RPST400 Replacement Diaphragm for ST400 - Image 1](https://m.media-amazon.com/images/I/71+18g9QvlL.jpg)

## Frequently Bought Together

- Selenium RPST400 Replacement Diaphragm for ST400
- Install Link 14 Gauge Speaker Wire (Speaker Cable) for Car, Home or RV Audio Cable, 100ft, CCA

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**Shop now:** [https://www.desertcart.nl/products/10448808-rpst400-replacement-diaphragm-for-st400](https://www.desertcart.nl/products/10448808-rpst400-replacement-diaphragm-for-st400)

---

*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-24*