---
product_id: 515572040
title: "ST400TRIO 8 Ohm Super Frequency Tweeter with Barium Ferrite Magnet"
brand: "selenium"
price: "135844 Ft"
currency: HUF
in_stock: true
category: "Selenium"
url: https://www.desertcart.hu/products/515572040-st400trio-8-ohm-super-frequency-tweeter-with-barium-ferrite-magnet
store_origin: HU
region: Hungary
---

# 8 Ohm nominal impedance for precise load matching 40° x 40° dispersion for wide, immersive coverage 300W max program power for explosive sound output ST400TRIO 8 Ohm Super Frequency Tweeter with Barium Ferrite Magnet

**Brand:** selenium
**Price:** 135844 Ft
**Availability:** ✅ In Stock

## Summary

> 🎵 Elevate your sound game with precision-tuned clarity and power!

## Quick Answers

- **What is this?** ST400TRIO 8 Ohm Super Frequency Tweeter with Barium Ferrite Magnet by selenium
- **How much does it cost?** 135844 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/515572040-st400trio-8-ohm-super-frequency-tweeter-with-barium-ferrite-magnet)

## 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

- • **Powerhouse Performance:** Handles up to 300 Watts with ease, delivering punchy highs in both solo and multi-speaker setups.
- • **Precision Aluminum Build:** Diamond-machined aluminum base and diffuser ensure superior heat dissipation and durability.
- • **Wide Soundstage Coverage:** Bullet-shaped horn design offers a focused 40° x 40° dispersion for immersive listening.
- • **Crystal-Clear High Frequencies:** Experience ultra-detailed sound without harshness, perfect for audiophiles craving clarity.
- • **Long-Lasting Phenolic Diaphragm:** Natural, cost-effective material that outperforms metallic diaphragms in warmth and longevity.

## Overview

The Selenium ST400TRIO is a high-performance 8 Ohm super frequency tweeter designed for professional-grade audio clarity and power. Featuring a durable phenolic diaphragm, diamond-machined aluminum components for heat management, and a bullet-shaped horn for focused 40° x 40° sound dispersion, it delivers up to 300 Watts of clean, detailed high-frequency output. Ideal for vehicle sound systems and versatile enough for both low and high power setups, this tweeter ensures a natural, immersive listening experience with exceptional efficiency.

## 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 |
| Age Range Description | Adult |
| Antenna Location | vehicle sound systems |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Box Contents | Connectors with quick couplings |
| Brand | Selenium |
| Brand Name | Selenium |
| Compatible Devices | Laptop, Desktop, Television |
| Connectivity Protocol | Ethernet |
| Connectivity Technology | wired |
| Control Method | App |
| Controller Type | ring |
| Country of Origin | USA |
| Enclosure Material | aluminum, phenolic |
| Frequency Response | 20000 Hz |
| Impedance Unit of Measure | 8 Ohms |
| Is Waterproof | False |
| Item Dimensions D x W x H | 15.2D x 11.9W x 14H Centimeters |
| Item Weight Unit of Measure | 1.69 kg |
| MP3 player | No |
| Manufacturer | DEEJAYLED |
| Model Name | JBL SUPER HIGH FREQUENCY TWEETER |
| Model Number | ST400TRIO |
| Mounting Type | Tabletop Mount |
| Network Connectivity Technology | wired |
| Number of Audio Channels | 1 |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Product Features | Durable, Lightweight |
| Speaker Maximum Output Power | 300 Watts |
| Speaker Size | 1.6 Inches |
| Speaker Type | Tweeter |
| Specific Uses For Product | vehicle sound systems |
| Subwoofer Speaker Diameter Unit of Measure | 12 Inches |
| Tweeter Driver Diameter | 1 Inches |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology Type | Bluetooth |

## Product Details

- **Brand:** Selenium
- **Speaker Maximum Output Power:** 300 Watts
- **Frequency Response:** 20000 Hz
- **Connectivity Technology:** wired
- **Audio Output Mode:** Stereo

## Images

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

## Frequently Bought Together

- Selenium ST400TRIO 8 Ohm Super Frequency Tweeter with Barium Ferrite Magnet
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**Shop now:** [https://www.desertcart.hu/products/515572040-st400trio-8-ohm-super-frequency-tweeter-with-barium-ferrite-magnet](https://www.desertcart.hu/products/515572040-st400trio-8-ohm-super-frequency-tweeter-with-barium-ferrite-magnet)

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-02-20*