---
product_id: 102856981
title: "Blackstar Unity Bass Active Extension Cab 250-watt 1x15"
brand: "blackstar"
price: "$35067"
currency: MXN
in_stock: true
reviews_count: 3
url: https://www.desertcart.mx/products/102856981-blackstar-unity-bass-active-extension-cab-250-watt-1x15
store_origin: MX
region: Mexico
---

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

**Brand:** blackstar
**Price:** $35067
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your bass game with power and precision that commands every stage!

## Quick Answers

- **What is this?** Blackstar Unity Bass Active Extension Cab 250-watt 1x15 by blackstar
- **How much does it cost?** $35067 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/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

- • **Gig-Ready Portability:** Lightweight design ensures easy transport without compromising on punch or tone
- • **Tailored Volume Control:** Independent volume knob for perfect balance between your main rig and extension cab
- • **Seamless Rig Integration:** XLR combo input and Thru output enable effortless chaining and versatile setups
- • **Unleash Massive Bass Power:** 250 watts of pure, room-filling low-end energy for commanding stage presence
- • **Pro-Grade Speaker Precision:** Custom 15-inch Eminence Opus driver delivers deep, articulate bass tones with clarity

## Overview

The Blackstar Unity Bass Active Extension Cab is a 250-watt powerhouse featuring a custom 15-inch Eminence Opus speaker, designed to deliver deep, robust bass tones ideal for large venues. It offers versatile connectivity with XLR combo input, passive 1/4" input, and XLR Thru output for chaining multiple cabinets. Lightweight and portable, it enhances existing Unity Bass Series combos or other preamps, providing independent volume control for precise level balancing.

## Description

Full description not available

## 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

## Product Details

- **Brand:** Blackstar
- **Color:** Black
- **Compatible Devices:** Double Bass
- **Material:** Metal
- **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)
![Blackstar Unity Bass Active Extension Cab 250-watt 1x15 - Image 2](https://m.media-amazon.com/images/I/71Z91YvZO8L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ I am now loyal to Blackstar Amplifications.
*by T***N on July 1, 2020*

When I first heard about Bruce Keir, Technical Director at Marshall Amplification, founded a new start-up, I was instantly intrigued by Blackstar's products. I have always been a Marshall fanboy and have respected the quality and heritage of the company. However, when it came time to purchasing my first bass, I only had this company in mind. Bruce Keir, a Bassist, would surely know how to lead the development of a great bass amp.The Unity Amp line is built with the highest quality materials (inside and out) in comparison to other amps I have used. The Unity 30-Watt can be loud without losing its refined sound. It is a perfect beginner/first/practice amp which can be expanded on with the line's 250-Watt ACTIVE cabinet extensions. I can definitely see myself owning this amp for the rest of my life.The features are rather simple, and some feel more like a gimmick, but that does not take away from crisp tones the amp makes. However, I can see the appeal in playing around with sounds to find whichever your looking for. In my opinion, I would rather get pedals to get the sounds I am looking for.Features:Knobs: Gain, Tone, Low, Mid, Frequency, High, MasterSwitches: 0/-10 db, Classic/Modern/Override, Chorus On/Off, Compressor On/Off.The largest flaw in the U30 is the location of the knobs and switches. I leave the amp below my work desk so I can play whenever I take breaks or feel inspired to practice. If they were in the front of the amp, it would make practicing more ergonomic. However, keep in mind that is a petty flaw. To me, that's a sign that this amp deserves such a high rating. I am now loyal to Blackstar Amplifications.P.S. If this is your first amp, make sure you purchase a 1/4" Guitar Cable. It is not included in the package.

### ⭐ Terrible experience
*by F***K on October 18, 2024*

The media could not be loaded. I bought the amp brand new according to the Amazon page from a seller in Miami, it arrived used, covered in pet hair and scratches. The amp never turned on, a terrible experience. In the end I had to take it in for repairs because it was imported from outside the USA, the equipment sounds great, the effects are very good and it is very versatile, do not hesitate to buy it, but find a trustworthy place where you can buy without fear that no one will want to help you, as happened to me, neither Amazon nor the seller helped me.

### ⭐ Didn’t work
*by S***N on February 8, 2023*

Didn’t work, straight out of the box. No lights, no sound, nothing. Even tried different power cords from other amps. I got a refund but had to pay over $130 for shipping. I feel like I got ripped off. I contacted the manufacturer but they just directed me to the place where I bought it. It might be a good amp but who knows?? It was a Christmas present for my son on top of it all. Had to ship it back and pay for it, even though there was a “label.” Turned out to be just an address label and not prepaid. Total rip off.

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*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-01-28*