---
product_id: 318225645
title: "KEFKube8b 8 Inch 300 Watt Powered Subwoofer (Black)"
brand: "kef"
price: "KD 310.98"
currency: KWD
in_stock: true
url: https://www.desertcart.com.kw/products/318225645-kefkube8b-8-inch-300-watt-powered-subwoofer-black
store_origin: KW
region: Kuwait
---

# 8" Size 300W Power Custom EQ KEFKube8b 8 Inch 300 Watt Powered Subwoofer (Black)

**Brand:** kef
**Price:** KD 310.98
**Availability:** ✅ In Stock

## Summary

> 🎶 Feel the Beat, Own the Room!

## Quick Answers

- **What is this?** KEFKube8b 8 Inch 300 Watt Powered Subwoofer (Black) by kef
- **How much does it cost?** KD 310.98 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/318225645-kefkube8b-8-inch-300-watt-powered-subwoofer-black)

## Best For

- kef enthusiasts

## Why This Product

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

## Key Features

- • **Unleash the Bass:** Experience powerful, musical output with 300W of front-firing energy.
- • **Dynamic Performance:** KEF Smart Compression limiting ensures loud, dynamic sound without distortion.
- • **Seamless Connectivity:** KEF Smart Connect automatically adjusts volume based on input type for effortless integration.
- • **Tailored to Your Space:** Three pre-programmed EQ settings for any room setup—freestanding, corner, or in-cabinet.
- • **Personalized Sound Control:** Fine-tune your listening experience with adjustable gain, phase, low pass filter, and crossovers.

## Overview

The KEF Kube8b is an 8-inch, 300-watt powered subwoofer designed for powerful and musical sound. It features customizable EQ settings, adjustable sound parameters, and smart connectivity for an optimized audio experience in any environment.

## Description

KEFKube8b 8 Inch 300 Watt Powered Subwoofer (Black)

## Features

- The KUBE 8b is a 300W 8" front-firing, sealed box powered subwoofer whose output is powerful as much as it is musical.
- Each KUBE comes with 3 pre-programmed custom EQ settings - free standing, corner, and wall and in-cabinet installations - to best suit the setup of your room.
- Customize your KUBE even further by adjusting the gain, phase, low pass filter, and crossovers to your liking and listening habits.
- The KUBE 8b subwoofer features KEF Smart Compression limiting, which allows the subwoofer to play louder and remain dynamic and effortlessly musical
- Enjoy KEF Smart Connect, which automatically detects whether an LFE or stereo input is connected and adjusts subwoofers volume level accordingly.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Is Electric | Yes |
| Power Source | Corded Electric |
| Compatible Devices | Television |
| Speaker Size | 8 Inches |
| Woofer Diameter | 8 Inches |
| Water Resistance Level | Not Water Resistant |
| Controller Type | Corded Electric |
| Color | Black |
| Is Waterproof | FALSE |
| Warranty Type | Standard Warranty |
| Control Method | App |
| Audio Output Mode | Mono |
| Mounting Type | Floor Standing |
| Speaker Type | Subwoofer |
| Additional Features | bass_boost |
| Recommended Uses For Product | For Surround Sound Systems, For Gaming Consoles, For Televisions, For Computers, For DVD Players |
| Subwoofer Diameter | 8 Inches |
| Item Weight | 10.9 Kilograms |
| Item Dimensions D x W x H | 11.5"D x 12.2"W x 11.5"H |
| Unit Count | 1.0 Count |
| Speaker Maximum Output Power | 300 Watts |
| Subwoofer Connectivity Technology | Wireless |
| Connectivity Protocol | Wi-Fi |
| Audio Driver Size | 8 Inches |
| Audio Driver Type | Dynamic Driver |

## Product Details

- **Brand:** KEF
- **Speaker maximum output power:** 300 Watts
- **Connectivity technology:** RCA
- **Audio output mode:** Mono, Stereo
- **Mounting type:** Floor Standing

## Images

![KEFKube8b 8 Inch 300 Watt Powered Subwoofer (Black) - Image 1](https://m.media-amazon.com/images/I/51mdkp6UEtL.jpg)
![KEFKube8b 8 Inch 300 Watt Powered Subwoofer (Black) - Image 2](https://m.media-amazon.com/images/I/71uZedE3IvL.jpg)
![KEFKube8b 8 Inch 300 Watt Powered Subwoofer (Black) - Image 3](https://m.media-amazon.com/images/I/71qGHHF-FDL.jpg)
![KEFKube8b 8 Inch 300 Watt Powered Subwoofer (Black) - Image 4](https://m.media-amazon.com/images/I/51DU8-irWDL.jpg)

## Frequently Bought Together

- KEF Kube8b 8 Inch 300 Watt Powered Subwoofer (Black)
- KEF Q150 Bookshelf Speaker, Passive, Satin Black (Pair)
- KEF Q250c Center Channel Speaker (Each, Black)

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**Shop now:** [https://www.desertcart.com.kw/products/318225645-kefkube8b-8-inch-300-watt-powered-subwoofer-black](https://www.desertcart.com.kw/products/318225645-kefkube8b-8-inch-300-watt-powered-subwoofer-black)

---

*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-02-06*