🔥 Limited Time — $100 Off · Sale Price $1,764.98 · Regular $1,864.98
Saint Nordic · Bass Packages
GROUND ZERO · SINGLE 12" · 1500W RMS
HYDROGEN KIT.
A complete Ground Zero high-output bass system — the GZHW 30XSPL-D2 12" SPL subwoofer, GZCA 1500.M1 Competition amplifier, sealed enclosure, signal interface, amp kit, and professional installation. Built for drivers who want maximum output.
Regular Price
$1,864.98
✓ Save $100
Installed package pricing · Includes everything listed below · Professional installation at Saint Nordic
Everything Included
6 Items
Complete System Package
EVERYTHING
INCLUDED.
The Single 12" Hydrogen Kit steps up to a 12" SPL-grade subwoofer and a Competition-series amplifier — built for drivers who want maximum output. Every component was selected to work together — matched power levels, proper signal handling, correct wiring gauge, and a sealed enclosure tuned for the subwoofer. Nothing to source separately. Nothing left to figure out.
Subwoofer
Ground Zero Hydrogen SPL 12" Subwoofer
GZHW 30XSPL-D2
1500W RMS / 3000W SPL · Dual 2-ohm voice coils · 75mm copper voice coil · Klippel® optimized · Reinforced paper cone · Long-stroke U-surround · Solid aluminum cast basket · 45mm Xmax · High-output SPL design
Amplifier
Ground Zero Iridium Mono Amplifier
GZCA 1500.M1
1350W RMS @ 1Ω · 900W RMS @ 2Ω · Class D · 1-ohm stable · SPL Competition series · Variable active crossover · Bass boost · Stabilized high-voltage power supply · Solid heatsink · Bass remote included
Enclosure
Sealed Subwoofer Enclosure
Custom Fit
Sealed enclosure matched to the GZHW 30XSPL-D2 for tight, accurate bass response. Sealed design provides better power handling and more precise low-frequency control than ported alternatives.
Signal Interface
Wavtech Link2 Signal Interface
LINK2
High-to-low level signal converter that takes your factory or aftermarket head unit's speaker output and converts it to a clean, noise-free RCA signal for the amplifier. Eliminates alternator whine and signal noise.
Wiring
4-Gauge Amplifier Wiring Kit
4GA Kit
Correctly sized 4-gauge power and ground wiring for the GZCA 1500.M1's power requirements. Proper gauge wire ensures full power delivery to the amplifier without voltage drop under load.
Installation
Professional Installation
Saint Nordic
Full professional installation by Saint Nordic Custom Autoworks — amplifier mounting, subwoofer installation, signal interface setup, wiring routed and secured, system tuned before delivery. 1-year labor warranty included.
Why This Kit
MATCHED.
TUNED. DONE.
The Single 12" Hydrogen Kit isn't a collection of random components thrown together — it's a high-output system where every piece was selected because it works correctly with everything else. The GZCA 1500.M1 is sized to match the GZHW 30XSPL-D2's 1500W RMS power handling. The signal interface eliminates noise that would otherwise degrade a high-power system. The wiring is the right gauge for the power level. And the sealed enclosure is matched to the sub's specs for the response curve it was designed to deliver.
670W
RMS @ 2 Ohms — GZCA 1500.M1
Ground Zero GZHW 30XSPL-D2 — 1500W RMS · 45mm Xmax · Klippel® optimized
GZCA 1500.M1 — Class D · 1-ohm stable · GZ-PowerBalance
Wavtech Link2 — clean signal from any head unit, factory or aftermarket
4GA amp kit — correct gauge for full power delivery
Sealed enclosure — tight, accurate bass · matched to sub specs
Professional install + 1-year labor warranty · Saint Nordic
Component Specifications
TECHNICAL
DETAILS.
Ground Zero GZHW 30XSPL-D2 — Subwoofer
Power Handling
1500W RMS / 3000W SPL
Impedance
Dual 2-ohm (2 × 2Ω)
Voice Coil
75mm / 3" copper voice coil
Cone
Reinforced paper cone · Long-stroke U-surround
Basket
Solid aluminum cast basket
Optimization
Klippel® optimized
Ground Zero GZCA 1500.M1 — Amplifier
RMS @ 1Ω
1350W RMS / 1500W Max
Frequency Response
10–250 Hz
Crossover
Variable active LPF · Bass boost
Input
High-level input with auto-on function
Features
Stabilized high-voltage power supply · Solid heatsink · Bass remote included · Qualified for SPL and SQL applications
Package Contents
Subwoofer
Ground Zero GZHW 30XSPL-D2 12" — 1500W RMS
Amplifier
Ground Zero GZCA 1500.M1 — 670W RMS @ 2Ω
Enclosure
Sealed subwoofer enclosure
Signal Interface
Wavtech Link2
Wiring
4-gauge amplifier wiring kit
Installation
Professional installation by Saint Nordic — 1-year labor warranty
Sale Price
$1,764.98 installed (regular $1,864.98 — save $100)
Saint Nordic Custom Autoworks
BOOK YOUR
INSTALL TODAY.
The Single 12" Hydrogen Kit — $1,764.98 installed at Saint Nordic Custom Autoworks in Spring Lake Park, MN. Everything included. Professional installation. 1-year labor warranty.
