Speaker GZCS 100MB-S

Enjoy 5% off pre-order products, automatically applied at checkout.

Offer not valid on MTX Audio, Alpine, Focal, Pioneer, Kenwood, Dynavin, JVC and JBL products.

How to understand the displayed delivery times?

For greater transparency, we display the availability of each product in a box at the top of its product page:

• 🟢 In stock: product available in our warehouse, ready to be shipped.
• 🟠 Pre-order – X business days: average time to receive the product in our warehouse before it is shipped to you.

Delivery times are estimates and may vary depending on suppliers and shipping.

We do our best to provide you with clear and reliable information so that you can order with full knowledge of the situation.

Upon receipt of the product, your order is automatically prepared and shipped. You will receive tracking information by email.

Need fast delivery? Choose "In stock" products.

🚚 Free delivery on orders over €49 with Chronopost Économique to a pickup point (estimated delivery time of 4 to 10 business days).

Please note: some heavy or bulky parcels cannot be delivered to a pickup point and may require a contribution towards shipping and handling costs.

These costs are automatically calculated and displayed in your cart before you confirm your order.

Other faster delivery methods are also available depending on the products and your delivery address.

📦 Preparation and shipping

In-stock products ordered before 12 p.m. are generally shipped the same day. After 12 p.m., shipping generally takes place on the next business day.

Pickups are available Monday through Friday, excluding holidays.

🚚 Our delivery methods

• Chronopost Économique pickup point: free delivery with purchases of €49 or more (4 to 10 business days).
• Chronopost 24h pickup point: fast delivery to a pickup point.
• 24h home delivery: our only home delivery option. Please note that this delivery method is not considered a guaranteed express delivery.

Delivery times begin once the carrier has accepted the package and are provided as estimates in business days.

Important: check that your product is listed as "In stock" on its product page. For pre-orders, shipping takes place only after the product has been received at our warehouse.

Some heavy or bulky packages may incur additional shipping and handling fees, which are automatically displayed in your cart.

⚠️ Receiving your package

Check the condition of your package before accepting it. In the event of damage, make specific reservations with the carrier or refuse the package if necessary.

If you experience any problems, please contact our customer service team promptly.

Unsure about choosing a product or its compatibility? Our team is here to help!

📞 Phone: 09 85 13 66 35

💬 Live chat: directly on our website.

🕒 Our hours:

• Tuesday to Saturday
• Mornings: 9:30 am – 12:00 pm
• Afternoons: 1:30 pm – 6:00 pm

Need help choosing your equipment?

Our advisors can guide you and even prepare your cart directly via chat, with products tailored to your needs.

💪 Take advantage of our technical expertise to order with complete confidence!

The Sound Auto Concept Team

Optimize your in-car audio experience with the GZCS 100MB-S surround speaker, specially designed for Mercedes.
Thanks to its plug-and-play system, installation is quick and requires no modifications or complex wiring.

The fiberglass cone ensures faithful reproduction of mid-range and treble, while the neodymium motor provides superior power and sound precision.
Designed to integrate seamlessly with original audio systems, this speaker transforms your cabin into an immersive and balanced sound space.

👉 An ideal solution for anyone who wants to improve the sound quality of their Mercedes without compromise.

Technical specifications

• Model: Mercedes-specific surround speaker

• Diameter: 100 mm / 4″

• Power handling: 40 W RMS / 60 W max

• Impedance: 4 Ohms

• Efficiency: 82 dB

• Frequency response: 100 Hz – 17 kHz

• Mid-range: Fiberglass cone

• Motor: Neodymium

• Basket: Mercedes specific

• Connection: Car-specific plug-and-play

• Contents: 1 pair of speakers

Key benefits (bullet points)

• 🔊 Immersive audio upgrade for a wider soundstage

• 🚗 Mercedes-specific design for perfect compatibility

• ⚡ Simple plug-and-play installation – no complex wiring

• 💎 Premium materials: fiberglass & neodymium

• 🎶 Clear and natural sound ideal for long listening sessions