Description

DS18 PRO-CUPOLA3
The DS18 PRO-CUPOLA3 is a high-performance 3-way car audio speaker system designed for enthusiasts seeking rich, detailed, and immersive sound in their vehicle. Featuring two 6.5-inch mid-bass speakers, silk dome tweeters, and a dedicated super-tweeter, this system delivers crisp highs, clear mids, and tight low-end response for a full-spectrum listening experience. Each speaker is rated at 180 W RMS and 360 W peak power handling, ensuring clean, distortion-free audio even at higher volumes. Built with durable materials and premium components, the PRO-CUPOLA3 is ideal for daily driver audio upgrades, custom builds, or compact SPL systems, providing balanced and dynamic sound throughout your car.
Specifications
| Specification | Value |
|---|---|
| SKU | PRO-CUPOLA3 |
| Nominal Diameter | 5.25 Inch / 134 mm |
| Nominal Impedance | 4 Ohms |
| AES Power Handling | 150 W |
| Program Power Handling | 300 W |
| Peak Power Handling | 400 W |
| Sensitivity (1W/1M) | 96 dB |
| Frequency Response | 400 Hz – 10 kHz |
| Recommended High-Pass Crossover | 420 Hz |
| Sold As | Single |
MOTOR & DIAPHRAGM SPECIFICATIONS
| Specification | Value |
|---|---|
| Voice Coil Diameter | 3 Inch / 76.5 mm |
| Voice Coil Former Material | KSV |
| Winding Material | CCAW |
| Diaphragm Material | Cloth |
| Body Material | Aluminum |
| Magnet Material | Neodymium |
| Magnet Weight | 5.7 Oz |
MEASUREMENTS
| Specification | Value |
|---|---|
| Overall Diameter | 5.87 Inch / 149 mm |
| Overall Depth | 3.54 Inch / 90 mm |
| Front Mount Baffle Cutout | 4.9 Inch / 125 mm |
| Mounting Depth | 2.75 Inch / 70 mm |
Product Overview
The PRO-CUPOLA3 brings studio-grade clarity to your pro audio build: this high-end 5.25” soft dome midrange speaker is engineered for tonal accuracy in high-fidelity audio environment.
Acoustic Perfection
With a 3″ KSV voice coil, powerful neodymium magnet, and coated cloth dome diaphragm, the PRO-CUPOLA3 reproduces sound with stunning detail and control. It handles 150W AES, 300W Program, and 400W Peak Power, with an ultra-sensitive 96dB output and tight 400Hz–10KHz frequency range for full midrange performance.
Built for Professional Audio
Its tuned rear chamber, aluminum body, and large-damped enclosure make this speaker ideal for high-end car audio installs. It fits into tight spaces easily, with a 2.75″ mounting depth and 4.9″ cutout.
DS18’s PRO-CUPOLA3 gives you high-efficiency midrange performance with audiophile-grade clarity—upgrade your system with this pro-level powerhouse.


















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