KEF KUBE 8 Powered Subwoofer (Unit)

Sale priceRs. 90,000.00

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KEF KUBE 8 Overview

The KEF KUBE 8 Powered Subwoofer is a compact and powerful addition to any audio setup. With its sleek sealed design, it features a single 8-inch (200mm) driver that delivers a frequency response ranging from 34Hz to 140Hz, ensuring deep and accurate bass reproduction. Boasting a maximum output of 105dB, this subwoofer creates an immersive listening experience. The built-in Class D amplifier provides 300W RMS of power, driving the subwoofer with precision. The variable low-pass filter, adjustable from 40Hz to 140Hz, and the LFE input offer flexibility in tailoring the bass response to specific preferences. Connectivity options include RCA phono and speaker-level inputs, making it versatile for different audio systems. Compatible with power sources of 100-120V and 220-240V at 50/60Hz, the KUBE 8 is designed to integrate seamlessly into various environments. With dimensions of 293 x 293 x 310mm (HWD) and a weight of 11.3kg, it strikes a balance between a compact form factor and powerful bass performance, making it an excellent choice for enhancing home audio setups.

KEF KUBE 8: Top 10 Key Features

1. Driver Configuration:

  • Single 8-inch (200mm) driver for impactful bass reproduction.

2. Driver Material:

  • Specific driver material not specified.

3. SPL Levels:

  • Maximum output of 105dB for immersive and powerful sound.

4. Impedance Rating:

  • Impedance rating not specified.

5. Speaker Type:

  • Sealed design for controlled and accurate bass delivery.

6. Amplifier Type:

  • Built-in Class D amplifier for efficient and high-performance power delivery.

7. Amplifier Output Power:

  • 300W RMS (Root Mean Square) for robust and precise bass response.

8. Variable Low Pass:

  • Adjustable low-pass filter with a range from 40Hz to 140Hz, including LFE input for customizable bass frequencies.

9. Connectivity:

  • Multiple input options, including Analogue In with RCA phono and Speaker level inputs for versatile integration with audio systems.

10. Power and Dimensions:

  • Power compatibility for 100-120V / 220-240V at ~50/60Hz, making it suitable for various regions.
  • Compact dimensions (HWD): 293 x 293 x 310mm, allowing for easy placement in different audio setups.
  • Weight: 11.3kg, providing a balance of sturdiness and portability.

KEF KUBE 8: Common Questions

Q1: What is the KEF KUBE 8 Powered Subwoofer's power output?

A1: The KEF KUBE 8 Powered Subwoofer features a built-in Class D amplifier that delivers 300 watts of power, ensuring deep and impactful bass performance.

Q2: How does the sealed enclosure design benefit the KEF KUBE 8?

A2: The KEF KUBE 8's sealed enclosure design provides precise and controlled bass response. It prevents unwanted resonances and ensures accurate bass reproduction.

Q3: Can I adjust the crossover frequency of the KEF KUBE 8?

A3: Yes, you can adjust the crossover frequency on the KEF KUBE 8. This allows you to fine-tune the subwoofer's performance to match your main speakers and room acoustics.

Q4: What is the purpose of the phase control feature on the KEF KUBE 8?

A4: The phase control feature allows you to synchronize the KEF KUBE 8 with your main speakers. Proper phase alignment ensures that the subwoofer's bass output integrates seamlessly with your audio system.

Q5: Does the KEF KUBE 8 accept both line-level and speaker-level inputs?

A5: Yes, the KEF KUBE 8 provides flexibility by offering both line-level and speaker-level inputs. This makes it compatible with various audio setups.

Q6: How would you describe the design of the KEF KUBE 8?

A6: The KEF KUBE 8 boasts a modern and stylish design that complements any home decor. Its compact size also makes it suitable for smaller rooms.

Q7: Is the KEF KUBE 8 suitable for larger rooms?

A7: While the KEF KUBE 8 provides impressive bass for its size, it is best suited for smaller to medium-sized rooms. For larger rooms, consider larger subwoofer models for optimal bass coverage.

Q8: Can the KEF KUBE 8 be used for both music and home theater applications?

A8: Yes, the KEF KUBE 8 is versatile and suitable for both music listening and home theater setups. It delivers rich and dynamic low frequencies for an enhanced audio experience.

Q9: What kind of bass performance can I expect from the KEF KUBE 8?

A9: Despite its compact size, the KEF KUBE 8 offers deep and impactful bass performance, enhancing the overall audio quality of your system.

Q10: Where can I buy the KEF KUBE 8 Powered Subwoofer at the best price?

A10: You can find the KEF KUBE 8 Powered Subwoofer at authorized KEF retailers and online audio equipment stores. Compare prices to find the best deal that suits your budget and needs.


KEF KUBE 8 Info Sheet

100% Delivery Protection

We take full responsibility for delivering your expensive products without a scratch. In case of any physical damage or compromises we offer immediate replacement.

100% Genuine Products

We have the authorizations from the respective distributors of each brand to sell their products. Hence, you will get the due warranties on every product bought from us.

Technical Consultation

We encourage all our customers to consult with us before buying any high-fidelity equipment. We also offer obligation free on-site consultation for home theater setups in major cities.

Flexible Payment Options

Our COD option is limited to certain cities. However, we have the option to ship against partial payments

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Shipping Related Questions

It depends on where you are and what you are ordering. All types of speakers will take minimum 4-5 business days as per the delivery location. Products that are not magnetic can be delivered faster if customer agrees to bear air-freight cost.

At AV Kart, we work with reliable logistic partners to handle the deliveries of your expensive Hi-Fi products. 99% of all our deliveries happen smoothly across PAN India. However, at the times of unfortunate events when the delivered item has incurred any sort of damage, AV Kart gaurantees immediate replacement for the same without any questions asked. 

Please note that if the transit damage is limited to the packaging e.g. tampered boxes or broken thermocols then the product is not eligible for replacement until and unless there's any technical issue with it internally.

Product Related Questions

At AV Kart, we have a very limited inventory of Hi-Fi brands and that's becayse we have authorised dealerships for all the brands and products you see on our website. Every product is sourced from their respective official Indian distributors. Hence, whatever products you are going to order from us will be certainly 100% original.  We always urge our customers to request proof of dealership from any online sellers before buying anything online to ensure that you get the due warranties and service support.

Return and replacement both the options are not available in standard scenarios. However, If only the product you have received is faulty and the replacement is taking more than 3-4 weeks, we will accept the return and refund 100% amount. If the waiting period for replacement is within 4 weeks then we will try to supply our customers a standby product until the original one gets replaced.

Why Choose AV Kart?

There are many online stores nowadays who are selling Hi-Fi equipment. Some of them even displays lucrative disounts but here's how AV Kart is different from them - 

  1. Authorization - We are authorised dealers of each and every brand listed on our store. You will get proper service support and warranty on all the purchased products. You can always ask us for proof of dealerships for all of the listed brands.
  2. Expertise - We are among the only few online stores having years of experience with Hi-Fi equipment. You can ask us anything about your Hi-Fi home theater setup and you will get the right answer then and there. We have years of hands on experience working with top high-fidelity AV brands.
  3. On-Site Installation - We offer on-site installation in all the metro cities within 48 hours with the help of our channel partners which are spread across the country. From a single projector to complete home cinema setup, our team can service you at your doorstep. 
  4. After Sales Support - The only issue with Hi-Fi equipment is that you will not find local service centers in every city. Most of the brands have their service centers only in the metro cities and hence it becomes difficult for the customers who are living far away places to claim warranty. At AV Kart, we solve this problem by arranging pikcup and drop facility from the nearest service center with the help of our logistic partners.
  5. Telephonic Support - In the instances when you buy any product and install it yourself but facing troubles with using it? You can book a call/video call with us to understand the operations of your new equipment.