---
product_id: 216328272
title: "HERTZ SPL Show Series ST-25K-NEO 1\" High Efficiency Compression Tweeters with Grilles and Crossovers"
brand: "hertz"
price: "€ 848.60"
currency: EUR
in_stock: true
reviews_count: 2
category: "Hertz"
url: https://www.desertcart.hr/products/216328272-hertz-spl-show-series-st-25k-neo-1-high-efficiency
store_origin: HR
region: Croatia
---

# Waterproof & UV-Proof 100W Neodymium Power 4Ω Precision Impedance HERTZ SPL Show Series ST-25K-NEO 1" High Efficiency Compression Tweeters with Grilles and Crossovers

**Brand:** hertz
**Price:** € 848.60
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** HERTZ SPL Show Series ST-25K-NEO 1" High Efficiency Compression Tweeters with Grilles and Crossovers by hertz
- **How much does it cost?** € 848.60 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/216328272-hertz-spl-show-series-st-25k-neo-1-high-efficiency)

## Best For

- hertz enthusiasts

## Why This Product

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

## Key Features

- • **Compact Powerhouse:** Neodymium N38 magnet delivers peak 100W power in a sleek 1" design.
- • **Crystal-Clear Clarity:** FEM-optimized horn and phase-plug ensure pristine high-frequency response up to 20kHz.
- • **Plug & Play Precision:** Includes metallic mesh grille and inline crossover for seamless integration and superior sound tuning.
- • **Built to Brave Outdoors:** Waterproof body with anti-UV treatment keeps performance flawless under any weather.
- • **Thermal & Mechanical Resilience:** Copper Clad Aluminium Ribbon voice coil maximizes durability and heat dissipation for long-lasting reliability.

## Overview

The HERTZ SPL Show Series ST-25K-NEO is a 1" high-efficiency compression tweeter featuring a powerful Neodymium N38 magnet and FEM-optimized driver design. With a 4-ohm impedance and 100W peak power handling, it delivers crisp, clear highs from 3kHz to 20kHz. Its lightweight aluminum cone and waterproof, UV-resistant body make it ideal for both indoor and rugged outdoor use. The included metallic grille and inline crossover ensure easy installation and superior sound performance, perfect for professional audio setups and discerning audiophiles.

## Description

NEO line bullet tweeters are a totally new project, lighter and more compact compared to the previous ST 25 and with superior performance thanks to the use of Neodymium N38 H for the motor units and a FEM (Finite Element Method) optimized driver/horn design. The “Kit” version, ST 25K Neo features metallic mesh grille and inline crossover filter included. Features - Powerful Neodymium magnet providing high performance with compact size. FEM (Finite Element Method) optimized phase-plug and loading horn. CCAR (Copper Clad Aluminium Ribbon) voice coil for unheard-of thermal and mechanical capability ready for an easy replacement with replacement body kit. Extra-light aluminium membrane to maximize SPL with high current, screw terminals. Body waterproofing and anti-UV treatment to allow safe outdoor use without discoloration over time. “Kit” version with metallic mesh grille and inline crossover filter included. Specifications - Size mm (in.): 44 (1.8) Power Handling - Peak W: 100 Hi-pass filtered @ 5 kHz - 12 dB Oct. Impedance Ω: 4 Frequency response Hz: 3k ÷ 20k Sensitivity dB SPL: 107 Voice coil Ø mm (in.): 25 (1)

Review: St 25k Neo - Only one tweeter works
Review: Excelente producto - impresionante sonido y espectacular desempeño

## Features

- Component: High Efficiency Compression Driver
- Weight: .86 lbs
- Magnet: Neodymium
- Cone: Aluminum
- Impedance: 4 ohms

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B082YJJ2FB |
| Additional Features | Adjustable Strap |
| Antenna Location | Motorcycling |
| Audio Driver Size | 25 Millimeters |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Best Sellers Rank | #132,676 in Electronics ( See Top 100 in Electronics ) #259 in Car Tweeters |
| Brand | HERTZ |
| Built-In Media | ST-25K-NEO |
| Color | Black |
| Compatible Devices | Desktop, MP3 Player, Smartphone |
| Compatible with Vehicle Type | & SUVs, Select Cars, Truck |
| Connectivity Protocol | wired |
| Connectivity Technology | wired |
| Control Method | Voice |
| Controller Type | Voice control |
| Customer Reviews | 4.5 out of 5 stars 18 Reviews |
| Enclosure Material | Aluminum, Metal |
| Frequency Response | 20 KHz |
| Impedance | 4 Ohms |
| Is Waterproof | TRUE |
| Item Dimensions D x W x H | 19"D x 9"W x 15"H |
| Item Weight | 0.86 Pounds |
| MP3 player | No |
| Manufacturer | Hertz |
| Model Name | ST-25K-NEO |
| Model Number | ST-25K-NEO |
| Mounting Type | Bracket Mount |
| Number of Audio Channels | 2.0 |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Series Number | 25 |
| Speaker Maximum Output Power | 200 Watts |
| Speaker Size | 25 Millimeters |
| Speaker Type | Tweeter |
| Specific Uses For Product | Compression driver applications |
| Subwoofer Connectivity Technology | Wired |
| Unit Count | 1.0 Count |
| Warranty Description | 1-Year Manufacturer Warranty |
| Warranty Type | Limited |
| Wireless Technology | No Wireless Communication Technology |

## Product Details

- **Audio Output Mode:** Stereo
- **Brand:** HERTZ
- **Connectivity Technology:** wired
- **Frequency Response:** 20 KHz
- **Speaker Maximum Output Power:** 200 Watts

## Images

![HERTZ SPL Show Series ST-25K-NEO 1" High Efficiency Compression Tweeters with Grilles and Crossovers - Image 1](https://m.media-amazon.com/images/I/71a3h5hTAmL.jpg)
![HERTZ SPL Show Series ST-25K-NEO 1" High Efficiency Compression Tweeters with Grilles and Crossovers - Image 2](https://m.media-amazon.com/images/I/71Cd6L0OmeL.jpg)
![HERTZ SPL Show Series ST-25K-NEO 1" High Efficiency Compression Tweeters with Grilles and Crossovers - Image 3](https://m.media-amazon.com/images/I/61pDZ5cnssL.jpg)
![HERTZ SPL Show Series ST-25K-NEO 1" High Efficiency Compression Tweeters with Grilles and Crossovers - Image 4](https://m.media-amazon.com/images/I/71+YFwULPfL.jpg)

## Questions & Answers

**Q: is this a pair or just one ?**
A: Hey Daniel, we sell them as pairs with two tweeters, two grills, and two crossovers. Feel free to send us a direct message with any additional questions!

**Q: Where can I buy these crossovers separately?**
A: Hey Alex, if you send us a direct message we can get you set up! -WoofersEtc

**Q: Is this a pair**
A: Hi Robert, we sell them as pairs with grills and crossovers included!

## Customer Reviews

### ⭐ St 25k Neo
*by B***D on March 30, 2021*

Only one tweeter works

### ⭐⭐⭐⭐⭐ Excelente producto
*by X***O on December 5, 2020*

impresionante sonido y espectacular desempeño

## Frequently Bought Together

- Hertz SPL Show Series ST-25K-NEO 1" High Efficiency Compression Tweeters with Grilles and Crossovers
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**Shop now:** [https://www.desertcart.hr/products/216328272-hertz-spl-show-series-st-25k-neo-1-high-efficiency](https://www.desertcart.hr/products/216328272-hertz-spl-show-series-st-25k-neo-1-high-efficiency)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-05-28*