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

Ground Zero GZPK 165SQ-C + GZPT 28SQ – High-End 2-Way Speaker Kit

This kit represents the high-end solution for demanding audio systems, with components optimized for clear, precise, and powerful sound. Designed with the renowned Klippel® measurement system, it guarantees optimal performance and exceptional durability.

🔊 Product Description

• GZPK 165SQ-C: 6.5″ woofer/midrange speaker with cast aluminum basket and unique ventilation for efficient heat dissipation.

• GZPT 28SQ: 28mm silk dome tweeter, with neodymium motor, polished stainless steel housing, and damped coupled chamber for clear and detailed highs.

Each component is manufactured with high-quality materials for precise sound reproduction, high power, and long lifespan.

💪 Highlights

GZPK 165SQ-C Woofer/Midrange Speaker

• Diameter: 165 mm / 6.5″

• Voice coil: 38 mm / 1.5″

• Rigid aluminum-ceramic cone for clear sound

• Neodymium + ferrite hybrid motor for high efficiency

• Lightweight copper-clad aluminum voice coil, 2 layers

• NRG* hexagonal protective grille with optional logo

• Gold-plated screw terminal for reliable connection

• Chrome-plated magnetic cover

• Optimized via Klippel® system

GZPT 28SQ Tweeter

• 28 mm / 1.1″ double coated silk dome

• High-power copper voice coil

• Neodymium motor

• Polished stainless steel housing

• Damped coupled chamber to reduce resonances

• Gold-plated screw terminal

📊 Technical Specifications

🎯 Why Choose It?

✔ High-end kit for clear, precise, and powerful sound
✔ Klippel® optimization for perfect cone control
✔ Premium materials: aluminum-ceramic, silk, neodymium
✔ Robust and durable construction for maximum longevity
✔ Perfect for 2-way systems or high-end audio upgrades