Wheels and Tires› Wheels

Ground Zero

12-Inch SPL Subwoofer

$1,299.99

SKU: GZNW 30SPL-D1

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
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Easy — 1–2 hours

Overview

The Ground Zero GZNW 30SPL-D1 is a 12-inch high-performance SPL subwoofer designed for extreme audio output. It features Klippel® optimization for superior performance and a reinforced paper cone for durability.

Constructed with a solid aluminum cast basket, this subwoofer incorporates a 75 mm / 3″ CCA round wire voice coil and a 4-layer Nomex spider for robust operation. It also includes a carbon design dust cap.
Show original supplier description
The Ground Zero GZNW 30SPL-D1 is a 12-inch high-performance SPL subwoofer engineered for exceptional audio output and SPL capabilities. This subwoofer is Klippel® optimized, ensuring precise and efficient performance across its operating range. Built with a reinforced paper cone and a solid aluminum cast basket, the GZNW 30SPL-D1 is designed for durability and high power handling. It features a substantial 75 mm / 3″ CCA round wire voice coil and a 4-layer Nomex spider, contributing to its robust construction and ability to withstand demanding conditions. A carbon design dust cap adds to its aesthetic and functional appeal. With a power handling capacity of 3000 Watts RMS and up to 6000 Watts SPL, this subwoofer is recommended for power levels between 2000 and 6000 Watts. Its efficiency is rated at 87.5 dB, and it has a maximum excursion (Xmax) of 70 mm / 2.76″, allowing for significant air movement and deep bass response. The mounting diameter is 281 mm / 11.06″ with a mounting depth of 237 mm / 9.33″.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandGround Zero
Part NumberGZNW 30SPL-D1
CategoryWheels and Tires
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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