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Sundown Horizon 12" 750 Watt RMS Dual 4 Ohm Car Audio Subwoofer HZ-12

CASE QUANTITY: 2

PACKAGE WEIGHT: 28.0 LB

SKU SD-HZ12D4
Sold out
Original price $399.99
Original price $399.99 - Original price $399.99
Original price $399.99
Current price $319.99
$319.99 - $319.99
Current price $319.99

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  • 750 WATTS RMS DAILY POWER, Built to handle 750 watts RMS with a 2.5 inch high temperature 4 layer copper voice coil for strong, clean bass performance
  • CLASS LEADING 14MM XMAX, High excursion design delivers deep low frequency output with controlled, musical response in properly tuned ported enclosures
  • HEAVY DUTY CAST ALUMINUM BASKET, Rigid frame construction reduces flex and distortion while improving long term durability and structural stability
  • ADVANCED MOTOR COOLING, Vented motor gap and pole piece improve heat dissipation to maintain consistent performance during extended high output use
  • DUAL 4 OHM CONFIGURATION, Flexible wiring options for optimized amplifier matching, ideal for daily systems that demand output and reliability


Sundown Horizon 12" 750 Watt RMS Dual 4 Ohm Car Audio Subwoofer HZ-12


This Listing Includes:



  • (1) Sundown Audio Horizon HZ-12 12" Dual 4 Ohm Subwoofer


The Sundown Audio Horizon HZ-12 is built for strong, musical low end with true daily reliability. Rated at 750 watts RMS and featuring a 2.5 inch high temperature 4 layer copper voice coil, this 12 inch subwoofer delivers clean output with impressive control and durability.


The HZ-12 uses a heavy duty cast aluminum basket for maximum rigidity and long term stability. Its high roll surround and progressive spider suspension allow smooth, controlled excursion while maintaining accuracy at higher output levels. With a class leading 14mm Xmax and advanced cooling through a vented motor gap and pole piece, this sub stays cool even during extended play.


Designed to perform best in ported enclosures, the Horizon HZ-12 is ideal for anyone looking for loud, clean bass without sacrificing sound quality.


Specifications:



  • RMS Power Handling: 750 Watts RMS

  • Voice Coil: 2.5" High Temp 4 Layer Copper

  • Impedance: Dual 4 Ohm

  • Xmax: 14mm

  • Basket: Cast Aluminum Frame

  • Recommended Enclosure: Ported


T/S Parameters:



  • Re: 6.130 Ohms

  • Fs: 31.696 Hz

  • Vas: 54.368 L

  • Qes: 0.598

  • Qms: 3.774

  • Qts: 0.516

  • BL: 18.731 NA

  • Mms: 171.761 g

  • Cms: 146.795 uM/N

  • Sensitivity: 86.5 dB


Dimensions:



  • Outer Diameter: 12.5"

  • Cutout Diameter: 11.2"

  • Mounting Depth: 6.3"

  • Motor Diameter: 6.15"

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.