ESX QXB8 - Ultra-Compact 20cm Bass-Reflex Subwoofer
Produit disponible sous 6 jours.

ESX QXB8 - Ultra-Compact 20cm Bass-Reflex Subwoofer
Product Description
The ESX QXB8 is part of the QUANTUM QXB series, designed to deliver optimal performance in a small package. Equipped with a 20 cm (8”) subwoofer and a dual 64 mm voice coil , this subwoofer delivers dynamic and punchy bass, ideal for lovers of quality sound.
Thanks to its 2+2 Ω impedance , the subwoofer can be wired in 1 Ω or 4 Ω , thus allowing optimal compatibility with most amplifiers. Its compact size (46 x 33 x 18 cm) allows it to fit discreetly in the trunk, under a seat or in a double floor.
The ESX QXB8 comes with a heavy-duty protective grille and optional feet for downfire installation, ideal for maximizing bass impact while preserving trunk space.
Main features
- Type : Compact bass-reflex subwoofer
- Built-in subwoofer : 20 cm (8”)
- Power : 400W RMS / 800W max.
- Dual 64mm voice coil for improved low frequency response
- Configurable impedance : 2+2 Ω (1 Ω or 4 Ω possible)
- Ultra-compact size for easy installation
- Protective grid included
- Optional feet for downfire installation
Package Contents
- 1 ESX QXB8 subwoofer (20 cm)
- Protective grid
- Optional feet for downfire installation
- Installation Manual
Technical characteristics
Characteristic | Detail |
---|---|
Kind | Compact bass-reflex enclosure |
Built-in subwoofer | 20 cm (8”) |
Power | 400W RMS / 800W max. |
Impedance | 2+2 Ω (configurable as 1 Ω or 4 Ω) |
Coil | 64mm Dual Coil |
Dimensions | 46 x 33 x 18 cm |
Accessories | Protective grille, optional feet |
Why choose this product?
The ESX QXB8 is an ideal choice for those looking for a compact yet powerful subwoofer , capable of delivering deep bass without taking up too much space. Thanks to its dual 64 mm coil and optimized bass-reflex design , it offers excellent sound reproduction while remaining easy to install.
Instructions and download

Shipping Policy
At Multison, we are committed to providing you with a fast, reliable and secure delivery service for all your in-car audio, video and multimedia products.
Delivery Zones
We deliver to mainland France and several European countries, directly from our warehouse in France.
Delivery Times
Delivery times vary depending on the product and destination:
- Metropolitan France : Generally, 4 to 8 working days after order processing.
- Europe : Approximately 5-15 business days depending on destination and local shipping conditions.
Please note that delivery times are indicative and may vary depending on periods of high demand, such as holidays or sales.
Order Tracking
As soon as your order is shipped, you will receive a confirmation email containing a tracking number allowing you to follow your package in real time.
Shipping Costs
Shipping costs are automatically calculated at checkout based on the size, weight and destination of your package. Free shipping options may be available for certain purchase amounts or during special promotions.
Delays and Incidents
In case of any delay or problem related to the delivery, our customer service is at your disposal to assist you. You can contact us via our "We are here to help you" page for any questions or follow-ups.
Returns
We want you to be completely satisfied with your purchases. If you are not completely satisfied, here is our return policy:
- Return Period : You have 14 days from receipt of your order to make a return.
- Return Conditions : Items must be in their original condition, unused, and in their original packaging.
- Return Procedure : Please contact our customer service via our "We're here to help" page for return instructions. Return fees may apply depending on the circumstances.
We are here to support you in your shopping experience and ensure your satisfaction.
-
Installation guides
Access detailed tutorials and tips for simple and successful installation of your equipment.
-
Care instructions
Follow our recommendations to keep your equipment in perfect condition and extend its lifespan.
-
Specific Services
Looking for a specific service? Contact our team to learn more about what we can do for you.
RECENTLY VIEWED PRODUCTS
We are here to help you!
Do you have questions or need assistance? Our team is available to answer you quickly!
Response in less than 24 hours!