---
product_id: 461804801
title: "Selenium ST400TRIO 8 Ohm Super Frequency Tweeter with Barium Ferrite Magnet"
brand: "selenium"
price: "AED 528"
currency: AED
in_stock: true
category: "Selenium"
url: https://www.desertcart.ae/products/461804801-selenium-st400trio-8-ohm-super-frequency-tweeter-with-barium-ferrite
store_origin: AE
region: United Arab Emirates
---

# 40°x40° precise sound dispersion 300W max program power Aluminum + phenolic for heat & durability Selenium ST400TRIO 8 Ohm Super Frequency Tweeter with Barium Ferrite Magnet

**Brand:** selenium
**Price:** AED 528
**Availability:** ✅ In Stock

## Summary

> 🎵 Elevate your sound game with pinpoint clarity and power-packed highs!

## Quick Answers

- **What is this?** Selenium ST400TRIO 8 Ohm Super Frequency Tweeter with Barium Ferrite Magnet by selenium
- **How much does it cost?** AED 528 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ae](https://www.desertcart.ae/products/461804801-selenium-st400trio-8-ohm-super-frequency-tweeter-with-barium-ferrite)

## 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 Integration:** Quick coupling connectors and 8-ohm impedance make installation effortless in any pro or vehicle system.
- • **Power Meets Precision:** Handles up to 300W with ease, delivering punchy highs in both solo and multi-speaker setups.
- • **Engineered for Endurance:** Aluminum base and phenolic diaphragm ensure superior heat dissipation and long-lasting performance.
- • **Focused Sound Projection:** Bullet-shaped horn design offers a tight 40°x40° dispersion for targeted audio coverage.
- • **Crystal-Clear High Frequencies:** Experience ultra-detailed sound without harshness, perfect for audiophiles craving clarity.

## Overview

The Selenium ST400TRIO is a high-performance 8-ohm super frequency tweeter designed for exceptional clarity and durability. Featuring a bullet-shaped aluminum horn for 40°x40° sound dispersion, a phenolic diaphragm for natural sound, and a robust 300W power handling capacity, it’s engineered to deliver crisp, detailed highs without harshness. Ideal for both individual use in low-power systems and scalable arrays in professional setups, it combines advanced materials and quick-connect technology for reliable, high-definition audio performance.

## Description

JBL SUPER HIGH FREQUENCY TWEETER

## Features

- Super tweeter for outstanding detail & clarity in high-frequencies without harshness. The St400 TRIO may be used individually in lower power systems or arrayed for increased coverage & SPL in higher power systems. The base & diffuser are constructed of aluminum contributes to better heat dissipation of the coil moves, w/finish machining of diamond (diamond tool) & varnished.
- The bullet-shape horn design offers a longer throw 40 Degrees x 40 Degrees dispersion. The phenolic annular diaphragm is long-lasting, cost-effective & more natural-sounding than metallic diaphragms.
- The use of high-temperature materials & adhesives improves power handling & produces exceptionally high acoustic output. Together w/magnetic ring of aluminum ensuring a high-definition & efficiency across its fixed playback. Connectors w/quick couplings
- * Nominal impedance: 8 ohms * Minimum impedance at 9,400 Hz: 7.8 ohms * Frequency response at -10 dB: 4,000 to 20,000 Hz * 40 x 40 degrees sound dispersion
- * Recommended maximum program power while using crossover at 8000 Hz: 300 Watts * Recommended maximum program power while using crossover at 5000 Hz: 200 Watts * Diaphragm material: Phenolic * Voice coil diameter:.42 (1.6) mm (in)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B06XGR65FV |
| Additional Features | Durable, Lightweight |
| Antenna Location | vehicle sound systems |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Best Sellers Rank | #208,184 in Electronics ( See Top 100 in Electronics ) #367 in Car Tweeters |
| Brand | Selenium |
| Built-In Media | Connectors with quick couplings |
| Compatible Devices | Laptop, Desktop, Television |
| Connectivity Protocol | Ethernet |
| Connectivity Technology | wired |
| Control Method | App |
| Controller Type | ring |
| Customer Reviews | 4.7 4.7 out of 5 stars (24) |
| Enclosure Material | aluminum, phenolic |
| Frequency Response | 20000 hertz |
| Impedance | 8 ohm |
| Is Waterproof | False |
| Item Dimensions D x W x H | 6"D x 4.7"W x 5.5"H |
| Item Weight | 3.7 pounds |
| Manufacturer | DEEJAYLED |
| Model Name | JBL SUPER HIGH FREQUENCY TWEETER |
| Model Number | ST400TRIO |
| Mounting Type | Magnetic Mount |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Speaker Maximum Output Power | 300 watts |
| Speaker Size | 1.6 inches |
| Speaker Type | Tweeter |
| Specific Uses For Product | vehicle sound systems |
| 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:** wired
- **Frequency Response:** 20000 hertz
- **Speaker Maximum Output Power:** 300 watts

## Images

![Selenium ST400TRIO 8 Ohm Super Frequency Tweeter with Barium Ferrite Magnet - Image 1](https://m.media-amazon.com/images/I/61lbj7jZ28L.jpg)

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**Shop now:** [https://www.desertcart.ae/products/461804801-selenium-st400trio-8-ohm-super-frequency-tweeter-with-barium-ferrite](https://www.desertcart.ae/products/461804801-selenium-st400trio-8-ohm-super-frequency-tweeter-with-barium-ferrite)

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*Product available on Desertcart United Arab Emirates*
*Store origin: AE*
*Last updated: 2026-09-03*