Car Subwoofers & Bass Systems | ZeroFlex, MTX & Morel | Garage Audio
Car Subwoofers
Built To Hit Properly
From compact slimline subs to serious 15-inch SPL builds, Garage Audio supplies and installs premium subwoofer systems matched with the right amplifier, wiring and custom enclosure.

Shop Subwoofers By Size & Type
Find the right bass solution for your vehicle — from small 6-inch woofers and underseat subs through to powerful 12-inch, 15-inch and enclosed subwoofer systems.
6 Inch Subwoofers
Compact bass solutions for tight spaces and specialist installs.
8 Inch Subwoofers
Quick, punchy bass for smaller vehicles and stealth systems.
10 Inch Subwoofers
Great balance of bass output, control and boot space.
12 Inch Subwoofers
The go-to size for strong daily bass and full-range low end.
15+ Inch Subwoofers
Big output options for serious bass and SPL-style builds.
Slimline Subwoofers
Shallow-mount bass for tight installs and daily drivers.
Underseat Subwoofers
Easy bass upgrades without losing boot space.
Down Firing Subwoofers
Clean, compact bass with a protected down-firing design.
Powered Subwoofers
Built-in amplifier options for simple, efficient bass upgrades.
Enclosed Slim Subwoofers
Pre-built slim enclosures for trucks, utes and space-saving installs.
Enclosed Subwoofers
Ready-to-go subwoofer boxes designed for reliable bass performance.
What Kind Of Bass Are You Chasing?
Not every subwoofer system should be built the same. We design the system around the result you actually want.
💥 SPL / Daily Loud
Maximum bass output for customers who want to feel every note. Ideal for ZeroFlex and MTX subs in custom ported enclosures.
🎵 HiFi / Deep Bass
Tight, controlled low-frequency performance that blends with the front stage instead of overpowering it.
🚗 Stealth Installs
Underseat, shallow-mount and compact subwoofer solutions for daily drivers that still need usable space.
🏆 Competition Builds
High-output SPL builds using serious amplifiers, custom ported enclosures and subs designed to move air.
Every Sub Needs The Right Box
A good subwoofer in the wrong enclosure will sound average, distort, or fail early. We build enclosures to suit the subwoofer, vehicle and listening style.
📦 Sealed Enclosures
Best for tight, accurate and musical bass. Ideal for sound quality systems and vehicles where space matters.
- Clean bass response
- Compact design
- Great for Morel and HiFi builds
- Excellent daily-driver option
🔊 Ported Enclosures
Built for more output, deeper bass and serious efficiency. Perfect for SPL, daily loud and demo systems.
- More bass output
- Vehicle-specific tuning
- Correct internal volume
- Ideal for ZeroFlex and MTX builds
Need Help Designing A Sub Box?
Use our Box Builder tools or talk to us directly. We can calculate volume, tuning and box design based on your subwoofer and vehicle.
Open Box BuilderWhy Choose Garage Audio For Your Bass Build?
Built As A System
We match the subwoofer, amplifier, enclosure, wiring and vehicle instead of throwing random gear together.
Correct Box Specs
Enclosures are built around correct internal volume, port area, tuning and bracing requirements.
Clean Installation
Secure wiring, proper mounting, correct fusing and a clean finish from our Morayfield workshop.
Lifetime Workmanship
If anything goes wrong because of our workmanship, we stand behind the install.
Ready To Add Proper Bass?
From clean HiFi bass to loud daily SPL systems, Garage Audio can design and install the right subwoofer package for your vehicle.
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