Description
DS18 PRO-ZT8
The DS18 PRO-ZT8 is a 8-inch dual 4-ohm high-excursion subwoofer engineered for car audio enthusiasts who demand deep, powerful, and precise bass performance. Rated at 400 W RMS and 800 W peak power handling, this subwoofer delivers strong low-frequency output with excellent control and efficiency. Built with a rugged frame and durable suspension, the PRO-ZT8 is ideal for daily driver systems, custom builds, and compact SPL setups. Designed to perform exceptionally well in both sealed and ported enclosures, it provides impactful bass response down to approximately 40 Hz, making it perfect for small to mid-sized car audio systems seeking high-output performance.
Specifications
| Specification | Value |
|---|---|
| SKU | PRO-ZT8 |
| Nominal Diameter | 8 Inch / 203.2 mm |
| Nominal Impedance | 4 Ohms |
| RMS Power Handling | 275 W |
| Max Power Handling | 550 W |
| Sensitivity (1W/1M) | 98 dB |
| Frequency Response | 65 Hz – 22 kHz |
| Recommended Hi-Pass Crossover | 80 Hz |
| Sold As | Single / Piece |
MOTOR SPECIFICATIONS
| Specification | Value |
|---|---|
| Voice Coil Diameter | 1.5 Inch / 38.1 mm |
| Voice Coil Former Material | Kapton |
| Winding Material | CCAW |
| Basket Material | Steel |
| Magnet Weight | 27 Oz |
THIELE & SMALL PARAMETERS
| Parameter | Value |
|---|---|
| Vas | 12.4021 L |
| Xmax | 16 mm |
| Fs | 110 Hz |
| Qms | 3.906 |
| Qes | 0.76 |
| Qts | 0.636 |
| Re | 3.2 Ohms |
MEASUREMENTS
| Specification | Value |
|---|---|
| Overall Diameter | 214 mm / 8.42 Inch |
| Front Mount Baffle Cutout | 181 mm / 7.13 Inch |
| Mounting Depth | 91 mm / 3.58 Inch |
| Overall Depth | 113 mm / 4.44 Inch |
| Product Weight | 5.5 lbs |
| Product Dimensions | 9.5 x 9.5 x 5.5 Inch |
| Master Carton Weight | 47.5 lbs |
| Master Carton Dimensions | 19.75 x 20 x 12 Inch |
| Master Carton Quantity | 8 |
Product Overview
8” Water Resistant Mid-Range Loudspeaker with Built-in Bullet Tweeter and Grill 550W 4-Ohm
Experience earth-shaking sound with the PRO-ZT8: a 2-way mid-range built for accurate reproduction, and full-range power—all packed into a rugged, water-resistant design.
Insane Power
Handling an RMS power of 275W and a MAX power of 550W, the PRO-ZT8 reaches volumes that will take your breath away. With a 4-Ohm impedance for easy installation and an ultra-high sensitivity rating of 98dB, you’re guaranteed powerful output even at lower power levels.
Wide Frequency Range
With an impressive frequency response of 65Hz – 22KHz, the PRO-ZT8 captures every nuance across the entire audio spectrum. The integrated filter refines the balance between frequencies, creating a smooth audio experience every session.
Deep, Impactful Bass
Engineered with a robust ferrite magnet, the PRO-ZT8 generates a deep low-end punch, for immersive bass you can feel. This powerful magnet structure enhances voice coil action for forceful impact you can feel throughout your system.
Bullet Tweeter Power
The built-in bullet tweeter is powered by a high-performance neodymium magnet, delivering crisp, ultra-clear highs efficiently. This tweeter ensures every detail in your music is brought to life.
Protective Grill Included
No need to worry about accidental scuffs or kicks—the rugged grill shields against potential damage, while the water-resistant cone guarantees reliable performance even in damp environments.
Transform your system with the PRO-ZT8 and experience music the way it was meant to be heard!


















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