
ZXI 8" High Excursion Subwoofer Quad Stacked Magnets 600 Watts Rms DVC 4-Ohm







ZXI 8" High Excursion Subwoofer Quad Stacked Magnets 600 Watts Rms DVC 4-Ohm
Sale $144.46 / EACH
Reg.$169.95
15% OFF FOR MOVING SALE!
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Key Features
- 8" High Excursion Subwoofer
- MAX Power: 1200 Watts
- RMS Power: 600 Watts
- Impedance: 4-Ohm 2" DVC
- Quad Stacked Ferrite Magnet
- 86dB
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Technical Data - Manual
DOWNLOAD THE USER MANUAL
SPECS
SKU
ZXI8.4D
Nominal Diameter
8" / 203.2mm
Nominal Impedance
4 + 4 ohms
RMS Power Handling
600W
Maximum Power Handling
1200W
Sensitivity (1w/1m)
86dB
Frequency Response
25-880Hz
Recommended Lo Pass Crossover
90Hz
MOTOR
Voice Coil Diameter
2" / 50.8mm
Voice Coil Former Material
Black Aluminum
Winding Material
CCAW
Cone Material
Non-Pressed Paper
Dust Cap Material
PPI
Surround Material
Foam
Basket Material
Aluminum
Basket Color/Finish
Black Sandblasted
Magnet Material
Ferrite
Magnet Weight
104 Oz (4 x 26 oz)
Displacement Volume
1.02L / 0.036ft3
THIELE & SMALL PARAMETERS
Equivalent Volume Vas
6.75L / 0.238ft3
Free Air Resonance Fs
45Hz
Mechanical Factor Qms
5.318
Electrical Factor Qes
0.791
Total Factor Qts
0.689
Moving Mass Mms
87.65g
Compliance Cms
0.135mm/N
Bl Factor Bl
8.073
Voice Coil Inductance Le
0.476 mH
Diaphragm Area Sd
188.69cm2
DC Resistance Re
4.0+4.0 ohms
Efficiency Bandwidth Product EBP
58.4
RECOMMENDED ENCLOSURES
Sealed Internal Volume
17L / 0.6ft3
Sealed Box Output Response F3
50Hz
Ported Internal Volume
28.3L / 1ft3
Port Size *Square (W x H x Long)
1.75" x 7.99" x 14.67" / 44.5 x 203 x 372.7mm
Port Tuning Frequency FB
35Hz
Ported Box Output Response F3
28Hz
MEASUREMENTS
Overall Diameter
8.58" / 218mm
Overall Depth
6.83" / 173.5mm
Front Mount Baffle Cutout
7.31" / 185.8mm
Mounting Depth
5.51" / 140mm
Motor Diameter
5.27" / 134mm
Gross Single Unit Weight
14
Dimensions W x L x H
9.5 x 9.5 x 7.75
Quantity of Units in Master Carton
2
Gross Master Carton Weight
29.5
Master Carton Dimensions W x L x H
19.5 x 10.25 x 8.5
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Product Overview
Product Overview
DS18 ZXI8.4D High Excursion 8" Car Audio Subwoofer 1200W Watts 4-Ohm DVC Quad Stacked Magnets
Experience bass like never before with DS18’s ZXI8.4D: the ultimate subwoofer for enthusiasts who crave thunderous bass!
The ZXI subline is renowned for its high excursion capabilities, and the ZXI8.4D is no exception. This subwoofer handles wattage as high as 1200W while delivering smooth ultra-low frequency responses. The ZXI8.4D’s lower than normal FS (Resonant Frequency), allows it to excel in larger boxes with lower tuning. Whether you prefer sealed or ported boxes, the ZXI8.4D will excel in both, giving you the flexibility to optimize placement in any vehicle.
It’s dual 4-ohm configuration and 2-inch voice coils, makes the ZXI8.4D a force to be reckoned with. Handling a staggering 600W RMS power and 1200W of MAX power, ensuring you get the full potential out of your system. The large foam surround and non-pressed paper cone work in perfect harmony, delivering crisp, smooth bass that permeates every corner of your vehicle.
The ZXI8.4D goes beyond raw power and precision. It features a strong stamped basket adorned with show-quality DS18 logos on the frame, magnet boot, magnet, and dust cap. The quad stacked magnets on the ZXI8.4D offer a multitude of benefits, including increased magnetic field strength, improved power handling, enhanced cone control, higher excursion capabilities, greater durability, and superior heat dissipation. Not only will it impress your ears, but it will also outlast any vehicle. This subwoofer is designed to provide you with crisp and clear bass for years to come.
Immerse yourself in bass that is both thunderous and refined, thanks to DS18's commitment to quality and innovation.




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ZXI 8" High Excursion Subwoofer Quad Stacked Magnets 600 Watts Rms DVC 4-Ohm
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Let customers speak for us
from 3489 reviewsGreat product, amp can put out some good power , im running 2 - 6.5 in the front and 2- 8s in the back , plenty of sounds 👌👌👌
I usethese for my 6.5" JBL Marine speakers I added to my camper on the outside. I keep these covers on going down the road and during storage. So far thr first set has been on there 3 years and still going strong. I just got another set to have in the camper in case one happens to blow off.

The screen is really nice and easy to read. I like having a knob for volume. Use single folders for music, and the usb is the loudest input. The remote is nice, and DVDs can be controlled by the screen. Be better- the aux sounds terrible, and the BT audio is low. Screws included. Can’t be beat for the price.

They are amazing my buddy has four and they are super loud and clear love to put them in my vehicle just waiting on spacers

3" High Compression Neodymium Hybrid Driver/Tweeter 140 Watts 1" Pen 4-Ohm Vc

GEN-X 4x6 2-Way Coaxial Speakers 45 Watts Rms 4-Ohm

Good stuff

We love DS18!!!! Hits hard and is definitely loud

Very clear and loud. These went on a 2021 Tacoma replacing the factory jbl tweeters

Awesome amp , awesome control , looks amazing

Speakers were fine. Sounds great. Shipping with USPS was awful. The package was lost for over a week, and then finally found after I filed a complaint. Don’t guess that DS18 could do anything about that, but it definitely can’t be allowed to become a problem that’s ongoing. Y’all may have to consider alternate ways to ship. Again, very pleased with your product—exactly what my son wanted.

I Have it running to my epicenter from my amp, sounds great!

Comes with everything in picture and very good quality!!

Easy install with the 12in u connect with aftermarket harness adapter. Speakers are clear and very loud. Very happy

Very crispy and clear sound! The tweeters sound great just an over all phenomenal product!
