ESX QXB8A Subwoofer

ESX uses high-quality, award-winning POWER4 active modules , which are particularly efficient with an efficiency of up to 84%. Thanks to the latest Class-D circuits and EPS PRO, these modules are even prepared for connection to very modern vehicles. The bass can be adjusted from the driver's seat using the included wired remote control.

Technical data

20 cm (8") active subwoofer system (bass reflex)

Integrated Class D amplifier (Power4 active module)

1 x 400/800 watts RMS/Max.

Low-pass 40-120 Hz with 12 dB slope

Phase switching 0°/180°

Bass boost 0-6 dB at 45 Hz

Low level RCA input

High level entry

Automatic ignition function (DC or signal)

Start/stop compatible, 5 seconds/up to 7 volts

EPS PRO with 10R / 150R / 600R (switchable)

Input sensitivity 15 or 40 volts (switchable)

3-way limiter function, clipping LED

Wired remote control for bass level

Rugged compact case with logos

Protective grid

Optional feet for downward operation

Dimensions 48 x 33 x 18 cm

Enjoy 5% off all pre-order products.

The discount is automatically applied to your cart.

The announced delivery times are given as an indication and expressed in working days.

They may be extended in case of supplier holidays, carrier delays, or unfavorable weather conditions.

We make every effort to keep you informed and ensure the delivery of your order as quickly as possible.

If you have any questions, please contact us via the website chat or consult our General Terms and Conditions of Sale, available at the bottom of the page.

The Sound Auto Concept Team

To track your order, we invite you to use the Chat available at the bottom right of the store ➡️⬇️

If you have any questions regarding your order, our team will respond to you as soon as possible 🙂

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Sound Auto Concept offers you gifts all year round! We give you a 5% discount, which is automatically added to your cart for pre-ordered products.

Are you planning to purchase a complete system or products in quantity?

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Our team will be happy to discuss your needs and offer you the best possible price.

We are here to help you achieve your project under the best conditions!

The Sound Auto Concept team.

We offer several delivery options to meet your needs.

Free shipments are made via a relay point.

If you prefer home delivery, a surcharge may apply when ordering.

For shipments outside France, please refer to our "Deliveries and Returns" section for more information.

Do not hesitate to contact us for more details!

Our team is at your disposal by telephone at 09.85.13.66.35 or the Chat box to help you select the products that suit you best 💡😉

We can help you create a cart directly via live chat if you are unsure about your choice. Our team will be happy to offer you their technical expertise 💪🙂

For returns, you have 14 days after receiving your items to return them if you are not entirely satisfied 🔁

Please note: refusing a package upon delivery does not constitute a valid withdrawal request and does not trigger the 14-day legal period, in accordance with our General Terms and Conditions of Sale (GTC).

For detailed information on procedures, we invite you to consult our return policy or contact us directly 📧