---
product_id: 102856981
title: "Blackstar Unity Bass Active Extension Cab 250-watt 1x15"
brand: "blackstar"
price: "€ 1734.48"
currency: EUR
in_stock: true
category: "Blackstar"
url: https://www.desertcart.pt/products/102856981-blackstar-unity-bass-active-extension-cab-250-watt-1x15
store_origin: PT
region: Portugal
---

# Custom 15" Eminence Opus speaker 250W powerful output XLR combo & Thru for chaining Blackstar Unity Bass Active Extension Cab 250-watt 1x15

**Brand:** blackstar
**Price:** € 1734.48
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your bass game — power, clarity, and pro flexibility in one sleek cab!

## Quick Answers

- **What is this?** Blackstar Unity Bass Active Extension Cab 250-watt 1x15 by blackstar
- **How much does it cost?** € 1734.48 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/102856981-blackstar-unity-bass-active-extension-cab-250-watt-1x15)

## Best For

- blackstar enthusiasts

## Why This Product

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

## Key Features

- • **Pro-Grade Speaker Tech:** Custom 15-inch Eminence Opus driver delivers deep, rich bass tones with clarity.
- • **Lightweight & Gig-Ready:** Portable design means you bring the thunder without the backache.
- • **Precision Volume Control:** Independent volume knob lets you perfectly balance your sound in any environment.
- • **Seamless Gear Integration:** XLR combo input and Thru output for effortless rig expansion and pro setups.
- • **Unleash Massive Bass Power:** 250 watts of pure, punchy low-end to dominate any stage or studio.

## Overview

The Blackstar Unity Bass Active Extension Cab packs 250 watts of solid-state power through a custom 15-inch Eminence Opus speaker, delivering robust and deep bass tones ideal for large venues. Featuring XLR combo input, Thru output for chaining, and independent volume control, it integrates seamlessly with existing rigs. Lightweight and portable, it’s designed for bassists seeking enhanced volume and punch without compromising tone quality.

## Description

Buy Blackstar Unity Bass Active Extension Cab 250-watt 1x15: Electric Basses - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Powerful 250-watt active extension cab with custom 15-inch Eminence Opus speaker
- Delivers robust, deep bass tones ideal for larger venues and powerful performances
- XLR combo input for seamless integration with external preamps and other gear
- Passive 1/4" input allows it to function as a standard extension cabinet
- XLR Thru output for chaining multiple cabinets to build a massive rig
- Independent volume control for easy balancing of your levels
- Lightweight, portable design makes it easy to transport to gigs and rehearsals
- Enhances your existing Unity Bass Series combo with additional power and low end
- Perfect for bassists who need more volume and punch without losing tone quality
- Can also be used with other preamps for versatile performance options

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07CT2WQ1Q |
| Amplifier Type | Solid State |
| Best Sellers Rank | #155,096 in Musical Instruments ( See Top 100 in Musical Instruments ) #77 in Bass Guitar Amplifier Cabinets #52,372 in Music Recording Equipment |
| Brand | Blackstar |
| Built-In Media | Instruction Manual |
| Color | Black |
| Compatible Devices | Double Bass |
| Connector Type | XLR |
| Customer Reviews | 5.0 5.0 out of 5 stars (3) |
| Enclosure Material | Stainless Steel |
| Item Dimensions D x W x H | 22.04"D x 25.39"W x 17.16"H |
| Item Weight | 22 kg |
| Manufacturer | Blackstar |
| Mfr Part Number | BASSU250ACT |
| Model Name | BASSU250ACT |
| Model Number | BASSU250ACT |
| Number of Items | 5 |
| Output Channel Quantity | 2 |
| Output Wattage | 250 watts |
| Power Source | Corded Electric |
| Sound Profile | Robust, deep bass tones |
| Speaker Size | 15 inches |
| UPC | 845644004133 |
| Unit Count | 1 Count |
| Warranty Description | See manufacture website for warranty information |

## Product Details

- **Brand:** Blackstar
- **Color:** Black
- **Compatible Devices:** Double Bass
- **Material:** Stainless Steel
- **Output Wattage:** 250 watts

## Images

![Blackstar Unity Bass Active Extension Cab 250-watt 1x15 - Image 1](https://m.media-amazon.com/images/I/61KeEfNuH+L.jpg)

## Available Options

This product comes in different **Style** options.

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**Shop now:** [https://www.desertcart.pt/products/102856981-blackstar-unity-bass-active-extension-cab-250-watt-1x15](https://www.desertcart.pt/products/102856981-blackstar-unity-bass-active-extension-cab-250-watt-1x15)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-10-07*