Exterior Components› Car and Truck Covers

Ground Zero

Iridium 12" Active Bass Reflex Subwoofer

$779.00

SKU: GZIB30BR-ACT

Special Order
Special Order
Ships in 4–6 weeks
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$100 Minimum Order
30 Days Return
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Overview

The Ground Zero GZIB 30BR-ACT is a 30cm active housing subwoofer from the Iridium series. It features a GZIW 30 subwoofer, a front bass reflex tunnel, and an integrated 150/300 watt amplifier. The wooden case is covered with carpet and embroidery.
Show original supplier description
The Ground Zero GZIB 30BR-ACT is an active bass reflex enclosure featuring a 30 cm IRIDIUM subwoofer, an angled rear wall, and an EFP front channel reflex tunnel. This subwoofer is part of Ground Zero's entry-level Iridium line, offering useful functions and performance for everyday use and SPL applications. Key features include the GZIW 30 subwoofer, a front bass reflex tunnel, and an integrated 150/300 watt amplifier. The unit is housed in a wooden case covered with carpet and features an embroidered Ground Zero logo. It also includes a high-level input with an auto-on function, a low-pass filter, and phase correction. Technical specifications include a 30 cm diameter, 150 watt RMS resilience (300 watt max), a 1x 4 Ohm impedance, and a net volume of 37 liters. The overall dimensions are 460 x 320 x 327/255 mm (W x H x T1/T2). This subwoofer is specifically engineered and custom-fit for select car models, ensuring optimal placement within each vehicle.

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 NumberGZIB30BR-ACT
CategoryExterior Components
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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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