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DS18 ZXI Quad Stacked 8" 600 Watt RMS Dual 4-Ohm 2" Voice Coil Subwoofer ZXI8.4D

CASE QUANTITY: 2

PACKAGE WEIGHT: 15.0 LB

SKU DS-ZXI8.4D
Save 20% Save 20%
Original price $169.95
Original price $169.95 - Original price $169.95
Original price $169.95
Current price $135.96
$135.96 - $135.96
Current price $135.96

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  • DS18 has the perfect subwoofer to satisfy all your bass head needs in the newly designed for the ZXI8.4D high excursion subwoofer. This monster sub packs a 2 inch coil made to withstand high amounts of power with the utmost efficiency while producing thunderous distortion free bass.
  • This sub has a low FS so it can be used in large boxes with lower than normal tuning. Not only will this subwoofer slay the lows, it is versatile enough to also play higher frequencies in the bass zone of sub frequencies.
  • The ZXI Car Audio subline is a great high excursion line of subwoofers that both handle great power and give you smooth clean bass while playing ultra low frequencies. These subs work great in both sealed and ported boxes giving you many options for placement in any vehicle.
  • This 8 inch model comes dual 4 ohm and comes with a 2 inch voice coil that handles 600w RMS and 1200w max power.
  • The large foam surround and pressed paper cone works greatly together to deliver smooth crisp bass that can be heard strongly throughout the vehicle giving you an amazing bass experience.


DS18 ZXI Quad Stacked 8" 600 Watt RMS Dual 4-Ohm 2" Voice Coil Subwoofer ZXI8.4D


This listing includes:



  • (1) DS18 ZXI 8" Dual 4-Ohm Subwoofer


Experience thunderous bass like never before with the DS18 ZXI8.4D 8" Quad Stacked Subwoofer. Renowned for its high excursion capabilities, this subwoofer handles up to 1200W of maximum power, delivering smooth ultra-low frequency responses and exceptional audio performance. Whether you prefer sealed or ported boxes, the ZXI8.4D excels in both, offering flexibility and optimal placement in any vehicle. Elevate your audio experience with crisp, smooth bass that permeates every corner of your vehicle.


Specifications:



  • Nominal Diameter: 8" / 203.2mm

  • Nominal Impedance: Dual 4 Ohm

  • RMS Power Handling: 600 Watts

  • Maximum Power Handling: 1200 Watts

  • Sensitivity (1w/1m): 1200 Watts

  • Frequency Response: 25Hz - 880Hz

  • Recommended Lo-Pass Crossover: 90Hz

  • 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 / 0.036ft


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 lb

Accepted Payment Methods at Big Jeff Audio

At Big Jeff Audio, we strive to make your shopping experience as smooth as possible by offering a wide variety of payment options. Below is a complete list of the payment methods we accept:

Credit and Debit Cards

  • Visa
  • Mastercard
  • American Express
  • Discover
  • Diners Club

Digital Wallets

  • Amazon Pay
  • Apple Pay
  • Meta Pay (formerly Facebook Pay)
  • Google Pay
  • Shop Pay
  • PayPal

International Payment Methods

  • Bancontact
  • iDEAL

Bank Transfers

  • Zelle

Financing Options

We also offer financing options to make purchasing easier. Learn more about our financing options here.

  • Klarna
  • Affirm
  • Sezzle
  • Snap
  • Acima
  • Tiptop

If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.

Shipping Options and Delivery Time

Do You Offer Expedited Shipping?

Yes! At checkout, you can select from different shipping options:

  • Standard Shipping: Free for orders over $100.
  • Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.

How Long Does Delivery Take?

  • Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but we’ll notify you if that’s the case.
  • Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.

What Happens If My Package Is Undeliverable?

If your package is refused or marked undeliverable and returned to us by the carrier, you’ll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.

Why Can’t I Track My Order?

If you're having trouble tracking your order:

  • Make sure you’ve received the shipping confirmation email with the tracking number.
  • Log into your account on our website and use the “Check Your Order Status” button.
  • If the issue persists, please refer to our detailed guide on tracking your order or contact our customer service team for further assistance.

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