
ZXI 6.5" High Excursion Subwoofer Quad Stacked Magnets 300 Watts Rms DVC 4-Ohm







ZXI 6.5" High Excursion Subwoofer Quad Stacked Magnets 300 Watts Rms DVC 4-Ohm
Sale $84.96 / EACH
Reg.$99.95
15% OFF FOR MOVING SALE!
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Key Features
- 6.5" High Excursion Subwoofer
- MAX Power: 600 Watts
- RMS Power: 300 Watts
- Impedance: 4-Ohm 1.5" DVC
- Quad Stacked Ferrite Magnet
- 87dB
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Technical Data - Manual
DOWNLOAD THE USER MANUAL
SPECS
SKU
ZXI6.4D
Nominal Diameter
6.5" / 165.1mm
Nominal Impedance
4 + 4 ohms
RMS Power Handling
300W
Maximum Power Handling
600W
Sensitivity (1w/1m)
87dB
Frequency Response
35Hz-1.8KHz
Recommended Lo Pass Crossover
90Hz
MOTOR
Voice Coil Diameter
1.5" / 38.6mm
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
80 Oz (4 x 20 oz)
Displacement Volume
0.63L / 0.022ft3
THIELE & SMALL PARAMETERS
Equivalent Volume Vas
2.68L / 0.0948ft3
Free Air Resonance Fs
65Hz
Mechanical Factor Qms
4.95
Electrical Factor Qes
1.021
Total Factor Qts
0.846
Moving Mass Mms
45.81g
Compliance Cms
0.115mm/N
Bl Factor Bl
6.409
Voice Coil Inductance Le
0.362 mH
Diaphragm Area Sd
128.68cm2
DC Resistance Re
3.9+3.9 ohms
Efficiency Bandwidth Product EBP
67.7
RECOMMENDED ENCLOSURES
Sealed Internal Volume
11.3L / 0.4ft3
Sealed Box Output Response F3
57.8Hz
Ported Internal Volume
17L / 0.6ft3
Port Size *Square (W x H x Long)
0.73" x 6.85" x 6.24" / 18.5 x 174 x 158.6mm
Port Tuning Frequency FB
50Hz
Ported Box Output Response F3
39Hz
MEASUREMENTS
Overall Diameter
6.93" / 176mm
Overall Depth
5.33" / 135.5mm
Front Mount Baffle Cutout
5.78" / 146.8mm
Mounting Depth
4.41" / 112mm
Motor Diameter
4.72" / 120mm
Gross Single Unit Weight
9.5
Dimensions W x L x H
7.25 x 7.25 x 6.25
Quantity of Units in Master Carton
4
Gross Master Carton Weight
39
Master Carton Dimensions W x L x H
15.25 x 8 x 13.5
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Product Overview
Product Overview
DS18 ZXI6.4D High Excursion 6.5" Car Audio Subwoofer 600W Watts 4-Ohm DVC Quad Stacked Magnets
Experience bass like never before with DS18’s ZXI6.4D: the ultimate subwoofer for enthusiasts who crave thunderous bass!
The ZXI subline is renowned for its high excursion capabilities, and the ZXI6.4D is no exception. This subwoofer handles wattage as high as 600W while delivering smooth ultra-low frequency responses. The ZXI6.4D’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 ZXI6.4D will excel in both, giving you the flexibility to optimize placement in any vehicle.
It’s dual 4-ohm configuration and 1.5-inch voice coils, makes the ZXI6.4D a force to be reckoned with. Handling a staggering 300W RMS power and 600W 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 ZXI6.4D 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 ZXI6.4D 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 6.5" High Excursion Subwoofer Quad Stacked Magnets 300 Watts Rms DVC 4-Ohm
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Let customers speak for us
from 3465 reviewsI love the Infinite INFINITE 35 AH battery installed it on my 2013 Can Am Maverick 1000r and it has enough cracking power to start it every time see how it does when i add accessories

I love how there loud and everything but I had one go out on me

5 STAR!!! Installed these speakers in my 2019 Road Glide and I could not be happier with the clear sound!

Loud asf crystal clear

Really nice kit, AMP is also very solid and compact, fits nicely under the seat on the low profile AMP rack I bought !
Would recommend taking to a shop for installation. I’ve got a 2025 Jeep Gladiator and my only complaint is how difficult it is to disassemble the dash.
Also note this is not exactly plug and play if you intend on Amplifying tweeters and Dash speakers. These are extremely Loud and clear on Vocals.
If you plan on doing The Sound bar too, you have two RCA’s labeled FR & FL. You need a RCA Y splitter, DS18 Makes them. You actually need 2 red and 2 black splitters. Would highly recommend the speakers if you’re looking to Wind Proof the audio.

Never had subs this small but was suggested to try it and happy I did! I had 2 12s in my gladiator and wasn’t to happy with it and tried 4 of these and the sound is night and day difference! I have them in a ds18 ported box on a FR 3.5k

Have not installed them yet but the quality looks Superior

Good

Nice quality nice sound

Payed big bucks for the best sound but didn’t get any stickers

ZR 10" Subwoofer 700 Watts Rms DVC 4-Ohm

These speakers made a big difference from stock I can hear the speakers on Harley over 60mph.
