---
product_id: 1155309
title: "Upgraded Die-Cast Aluminum Bullet Super Tweeter - Powerful 400 Watt Peak 2.5k - 20 kHz Frequency Response and 4 Ohm w/ 102dB (1w/1m) Sensitivity and 1.5” Kapton Voice Coil - Lanzar Optidrive OPTIBT38"
brand: "lanzar"
price: "€ 8.43"
currency: EUR
in_stock: false
category: "Wireless"
url: https://www.desertcart.hr/products/1155309-upgraded-die-cast-aluminum-bullet-super-tweeter-powerful-400-watt
store_origin: HR
region: Croatia
---

# 102dB Sensitivity 2.5k-20kHz Range 400W Peak Power Upgraded Die-Cast Aluminum Bullet Super Tweeter - Powerful 400 Watt Peak 2.5k - 20 kHz Frequency Response and 4 Ohm w/ 102dB (1w/1m) Sensitivity and 1.5” Kapton Voice Coil - Lanzar Optidrive OPTIBT38

**Brand:** lanzar
**Price:** € 8.43
**Availability:** ❌ Out of Stock

## Summary

> 🎉 Elevate Your Audio Game!

## Quick Answers

- **What is this?** Upgraded Die-Cast Aluminum Bullet Super Tweeter - Powerful 400 Watt Peak 2.5k - 20 kHz Frequency Response and 4 Ohm w/ 102dB (1w/1m) Sensitivity and 1.5” Kapton Voice Coil - Lanzar Optidrive OPTIBT38 by lanzar
- **How much does it cost?** € 8.43 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/1155309-upgraded-die-cast-aluminum-bullet-super-tweeter-powerful-400-watt)

## Best For

- lanzar enthusiasts

## Why This Product

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

## Key Features

- • **Durable Design:** Crafted with die-cast aluminum for longevity and performance.
- • **High Sensitivity:** Feel the clarity with 102dB sensitivity for immersive sound.
- • **Unleash the Sound:** Experience powerful audio with 400 Watts peak output.
- • **Precision Engineering:** Enjoy a wide frequency response from 2.5kHz to 20kHz.
- • **Effortless Installation:** Compact size (4.75" diameter) fits seamlessly into your setup.

## Overview

The Lanzar Optidrive OPTIBT38 is a high-performance die-cast aluminum bullet super tweeter, delivering an impressive 400 Watts peak power with a frequency response of 2.5kHz to 20kHz. Featuring a 1.5-inch Kapton voice coil and 102dB sensitivity, this tweeter ensures crystal-clear sound reproduction, making it an essential upgrade for any audio enthusiast.

## Description

The OPTIBT38 is a 400-watt, die-cast aluminum tweeter from Lanzar that really gets the highs rolling. With a frequency range of 2.5 to 20 kHz, you’ll have the top end covered. A 1.5 inches high-temperature Kapton voice coil and Neodymium magnet provide rich, sweet highs completely free of distortion. The die-cast frame ensures the security and longevity of your equipment. 4 ohm impedance.

## Features

- Die Cast Aluminum Super Tweeter - 4 Ohms Impedance
- Die Cast Frame - Ferro Fluid Enhanced Voice Coil
- 1.5 inches High Temperature Kapton Voice Coil - Sensitivity: 102dB (1w/1m)
- Neodymium Magnet Structure - Frequency Response: 2.5k-20kHz
- 200 Watts RMS/400 Watts Rated Power - 4.52 inches Diameter/2.73 inches Mounting Depth

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Weight | 2.12 pounds |
| Product Dimensions | 4.75 x 4.75 x 3.75 inches |
| Item model number | OPTIBT38 |
| Is Discontinued By Manufacturer | No |
| Warranty | One year limited |
| Depth (inches) | 2.73 inches |
| Weight | 0.9 Kilograms |
| Speakers Maximum Output Power | 400 Watts |
| Item Weight | 2.12 Pounds |
| Number Of Items | 4 |

## Images

![Upgraded Die-Cast Aluminum Bullet Super Tweeter - Powerful 400 Watt Peak 2.5k - 20 kHz Frequency Response and 4 Ohm w/ 102dB (1w/1m) Sensitivity and 1.5” Kapton Voice Coil - Lanzar Optidrive OPTIBT38 - Image 1](https://m.media-amazon.com/images/I/416kBKLcdaL.jpg)
![Upgraded Die-Cast Aluminum Bullet Super Tweeter - Powerful 400 Watt Peak 2.5k - 20 kHz Frequency Response and 4 Ohm w/ 102dB (1w/1m) Sensitivity and 1.5” Kapton Voice Coil - Lanzar Optidrive OPTIBT38 - Image 2](https://m.media-amazon.com/images/I/51ZvuE-7FDL.jpg)
![Upgraded Die-Cast Aluminum Bullet Super Tweeter - Powerful 400 Watt Peak 2.5k - 20 kHz Frequency Response and 4 Ohm w/ 102dB (1w/1m) Sensitivity and 1.5” Kapton Voice Coil - Lanzar Optidrive OPTIBT38 - Image 3](https://m.media-amazon.com/images/I/51kYyFPP1yL.jpg)

## Available Options

This product comes in different **Speakers Maximum Output Power, Voice Coil, Vehicle Speaker Size** options.

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**Shop now:** [https://www.desertcart.hr/products/1155309-upgraded-die-cast-aluminum-bullet-super-tweeter-powerful-400-watt](https://www.desertcart.hr/products/1155309-upgraded-die-cast-aluminum-bullet-super-tweeter-powerful-400-watt)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-05-24*