Ground Zero GZCK 165XSPL 4 Ohms (sold as a pair)
pre-order*
pre-order*
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
Order Tracking
Order Tracking
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 🙂
Free delivery from €49*
Free delivery from €49*
We offer several delivery options to meet your needs.
Shipments offered from €49 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.
Please do not hesitate to contact us for more details!
Advisory Service
Advisory Service
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 💪🙂
Couldn't load pickup availability
Description
Description
Highlights
- High-efficiency 165 mm / 6.5" SPL midwoofer designed for demanding car audio installations
- Long-throw 38 mm / 1.5" CCAW voice coil for dynamic and precise reproduction
- Fiber-reinforced paper cone for optimal rigidity and fast transient response
- Long-throw foam surround for maximum excursion without distortion
- Anti-resonance steel basket for flawless mechanical stability
- Sold as a pair with protective grille included
- Max power 250 W — ideal for SPL systems and high-performance installations
Description
The 165 mm SPL midwoofer is designed for car audio enthusiasts who are looking for a speaker capable of delivering a high sound pressure level while maintaining clean musical reproduction. Its long-throw 38 mm CCAW voice coil gives it significant excursion capability, essential for handling high power without compression or distortion.
- Fiber-reinforced paper cone: rigid, lightweight, moisture-resistant
- Long-throw foam surround: controlled excursion, tight and precise bass
- Resonance-free steel basket: solid structure, easy mounting
- Paper dust cap: voice coil protection
- Solder terminal: reliable and durable connection
- Protective grille included: neat installation right out of the box
Available at Sound Auto Concept, your car audio specialist.
Technical specifications
| Model | SPL midwoofer |
| Diameter | 165 mm / 6.50" |
| Power (RMS / max.) | 100 / 250 Watts |
| Impedance | 4 Ohms |
| Frequency response | 50 Hz – 10 kHz |
| Voice coil | 38 mm / 1.5" CCA |
| Mounting diameter | 145 mm / 5.71" |
| Resonance frequency (Fs) | 56.8 Hz |
| Sold | As a pair |
Why choose it?
- Designed for SPL systems and high-power installations
- Long-throw CCAW voice coil: handles power without overheating
- Fiber-reinforced cone: precision and dynamics even at high volume
- Grille included: ready to install, neat finish guaranteed
- Sold as a pair: economical and consistent for a stereo installation
Payment & Security
Payment methods
Your payment information is processed securely. We do not store your credit card details and do not have access to your credit card information.
Get your products faster with our available stock!
🎉 Enjoy the new “In Stock Products” category!
🚚 Perfect if you don't want to wait and want to receive your order quickly.
💸 For pre-orders, get a 5% immediate discount to compensate for the wait.
📩 Follow our newsletter to discover our offers and new products first!



