---
product_id: 10448808
title: "Selenium RPST400 Replacement Diaphragm for ST400"
brand: "selenium"
price: "€ 71.62"
currency: EUR
in_stock: true
category: "Selenium"
url: https://www.desertcart.de/products/10448808-selenium-rpst400-replacement-diaphragm-for-st400
store_origin: DE
region: Germany
---

# Dynamic Driver Precision Stereo Audio Output Flush Mount Design Selenium RPST400 Replacement Diaphragm for ST400

**Brand:** selenium
**Price:** € 71.62
**Availability:** ✅ In Stock

## Summary

> 🎶 Upgrade your sound, don’t get left behind!

## Quick Answers

- **What is this?** Selenium RPST400 Replacement Diaphragm for ST400 by selenium
- **How much does it cost?** € 71.62 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/10448808-selenium-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

- • **Seamless Stereo Output:** Optimized for 2.0 channel stereo, delivering immersive sound whether gaming, streaming, or monitoring.
- • **Plug & Play Compatibility:** Effortlessly integrates with desktops, laptops, gaming consoles, and televisions via RCA connectivity.
- • **Studio-Grade Sound Clarity:** Experience crystal-clear audio with Selenium’s dynamic driver, engineered for professional surround sound systems.
- • **Durable Factory-Original Build:** Factory-quality replacement diaphragm ensures reliable performance and longevity for your ST400 speaker.
- • **Sleek Flush Mount Installation:** Designed for a clean, professional setup that blends seamlessly into any audio environment.

## Overview

The Selenium RPST400 Replacement Diaphragm is a factory-original, dynamic driver component designed specifically for the ST400 speaker. It supports stereo 2.0 audio output and is compatible with a wide range of devices including surround sound systems, gaming consoles, and televisions. Featuring a flush mount design and RCA connectivity, it offers professional-grade sound clarity and easy installation for studio monitoring and high-fidelity audio setups.

## Description

JBL / Selenium – RPST400 diaphragm for a st400

## Features

- Selenium diaphragm for a st400
- Comes with factory

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00HEFB8AA |
| Antenna Location | For Surround Sound Systems, For Gaming Consoles, For Televisions |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Best Sellers Rank | #44,437 in Musical Instruments ( See Top 100 in Musical Instruments ) #220 in Monitor, Speaker & Subwoofer Parts #14,404 in Music Recording Equipment |
| Brand | Selenium |
| Built-In Media | Speaker cable, User manual |
| Compatible Devices | Desktop, Laptop, MP3 Player |
| Compatible with Vehicle Type | Car |
| Connectivity Technology | RCA |
| Control Method | Touch |
| Customer Package Type | Well-Protected Package |
| Customer Reviews | 4.2 out of 5 stars 11 Reviews |
| Is Waterproof | False |
| Item Weight | 0.05 Pounds |
| MP3 player | No |
| Manufacturer | SELENIUM |
| Model Number | RPST400 |
| Mounting Type | Flush Mount |
| Number of Audio Channels | 2.0 |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Recommended Uses For Product | For Surround Sound Systems, For Gaming Consoles, For Televisions |
| Series Number | 400 |
| Speaker Type | Monitor |
| Specific Uses For Product | Studio Monitoring |
| Unit Count | 1.0 Count |
| Warranty Type | Limited |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology | No Wireless Communication Technology |

## Product Details

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

## Images

![Selenium RPST400 Replacement Diaphragm for ST400 - Image 1](https://m.media-amazon.com/images/I/71+18g9QvlL.jpg)
![Selenium RPST400 Replacement Diaphragm for ST400 - Image 2](https://m.media-amazon.com/images/I/81wTtNxi22L.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.de/products/10448808-selenium-rpst400-replacement-diaphragm-for-st400](https://www.desertcart.de/products/10448808-selenium-rpst400-replacement-diaphragm-for-st400)

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*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-07-17*