---
product_id: 16532132
title: "One Piece Dual 4\" All-weather 3-way, Bookshelf/wall-mount/corner-mount Speaker TWO 4-inch 3 Way 8 Ohm/70v Commercial Indoor/outdoor Speaker Black OS-A401BK"
brand: "certifeid"
price: "€ 153.36"
currency: EUR
in_stock: false
category: "Aht"
url: https://www.desertcart.com.cy/products/16532132-one-piece-dual-4-all-weather-3-way-bookshelf-wall
store_origin: CY
region: Cyprus
---

# One Piece Dual 4" All-weather 3-way, Bookshelf/wall-mount/corner-mount Speaker TWO 4-inch 3 Way 8 Ohm/70v Commercial Indoor/outdoor Speaker Black OS-A401BK

**Brand:** certifeid
**Price:** € 153.36
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** One Piece Dual 4" All-weather 3-way, Bookshelf/wall-mount/corner-mount Speaker TWO 4-inch 3 Way 8 Ohm/70v Commercial Indoor/outdoor Speaker Black OS-A401BK by certifeid
- **How much does it cost?** € 153.36 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/16532132-one-piece-dual-4-all-weather-3-way-bookshelf-wall)

## Best For

- certifeid enthusiasts

## Why This Product

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

## Description

All-Weather 2-Way, Dual 4" Bookshelf/Wall-Mount/Corner-Mount with Transformer Speaker Maximum Recommended amplifer power: 25 - 180W Power handling: 60W continuous/350W peak
Frequency response: 80Hz – 30kHz (–6dB) Nominal impedance: 8 Ohms
Sensitivity: 90dB @ 1 Watt/1 meter
Crossover slope: 18dB/octave (Low-frequency driver); 36dB/octave (High-frequency driver)
Low-frequency drivers: Dual 4" (200mm) PolyPlasTM, shielded

## Images

![One Piece Dual 4" All-weather 3-way, Bookshelf/wall-mount/corner-mount Speaker TWO 4-inch 3 Way 8 Ohm/70v Commercial Indoor/outdoor Speaker Black OS-A401BK - Image 1](https://images-na.ssl-images-amazon.com/images/I/31HBXLWtISL.jpg)
![One Piece Dual 4" All-weather 3-way, Bookshelf/wall-mount/corner-mount Speaker TWO 4-inch 3 Way 8 Ohm/70v Commercial Indoor/outdoor Speaker Black OS-A401BK - Image 2](https://images-na.ssl-images-amazon.com/images/I/31L%2BxEqkF6L.jpg)
![One Piece Dual 4" All-weather 3-way, Bookshelf/wall-mount/corner-mount Speaker TWO 4-inch 3 Way 8 Ohm/70v Commercial Indoor/outdoor Speaker Black OS-A401BK - Image 3](https://images-na.ssl-images-amazon.com/images/I/31FDjHJ3bQL.jpg)

---

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**Shop now:** [https://www.desertcart.com.cy/products/16532132-one-piece-dual-4-all-weather-3-way-bookshelf-wall](https://www.desertcart.com.cy/products/16532132-one-piece-dual-4-all-weather-3-way-bookshelf-wall)

---

*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-04-24*