Installations
We specialize in professional car audio installations, offering everything you need to upgrade your sound system. Our services include head unit installations, speaker upgrades, subwoofer setups, and amplifier installs—all tailored to fit your vehicle and sound preferences. Whether you're going for cleaner highs, deeper bass, or full-system power, we deliver precise, clean installs using quality components. From simple upgrades to custom setups, we’ve got your ride sounding just right.
Custom Subwoofer Enclosures
Custom Subwoofer Enclosures – Built for Power, Precision, and Style
When it comes to getting the most out of your subwoofers, a custom enclosure makes car audio installation all the difference—and that’s where we come in. Our custom subwoofer enclosure service is all about delivering deep, clean bass with a fit and finish that looks as good as it sounds.
Whether you're looking for a sealed, ported, or bandpass enclosure, we design each box to match your subwoofers' specs and your vehicle's dimensions perfectly. Every enclosure is built in-house using quality materials, with attention to airflow, tuning, and durability. Want something show-ready? We offer custom touches like vinyl wrapping, LED lighting, acrylic windows, and laser-cut logos.
From daily drivers to competition builds, our enclosures are made to perform—and made to impress. If you're ready to take your bass to the next level, let's build something that hits hard and fits right.
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Kustom Made products
We offer a range of custom-made car audio accessories designed for performance and clean installs. Our lineup includes fuse holders, bass knobs, RCA distribution blocks, LTO care kits, and battery delete cases—all built with precision and high-quality materials. Whether you're streamlining your setup or adding custom touches, our products deliver reliability, durability, and a professional finish.
KUSTOM MADE PRODUCTS
Full Custom Systems
Full Custom Car Audio Builds – From Show to SPL
Looking for a next-level car audio setup? Our full custom build services are designed for those who want more than just loud — they want loud, clean, and custom. Whether you're building a show-stopping display vehicle or a ground-shaking SPL setup, we’ve got the skills, tools, and creativity to bring your vision to life.
We specialize in all Car Audio Installation from custom subwoofer enclosures and amp racks to full wall builds and interior panel fabrication. Every build is tailored to your goals — whether that’s max SPL numbers, sound quality, visual impact, or all three.
With experience in both daily-driver installs and competition-grade systems, we handle it all:
Full audio system design and layout
Custom sub enclosures and full wall installs
Amp rack fabrication and wiring
Custom trim, lighting, and finishing touches
We don’t do cookie-cutter builds — we create one-of-a-kind systems that turn heads and break records. Ready to go all in? Let’s build something wild.
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ABOUT US
🔊 Sonic Kustomz : Precision. Power. Performance. Your One-Stop Shop for Elite Car Audio, Custom Power, and Next-Level Car Audio Installs Auckland
At Sonic Kustomz , we go way beyond the basics with Car Audio Installations . We're driven by a passion for innovation, sound, and style — delivering custom car audio installs Auckland that are built not only to be heard, but to make a statement.
Whether you're dialing in a clean daily setup or building a full-blown demo vehicle, we tailor every system to your ride, your goals, and your sound signature — using only the best brands in the game, including Morel Audio, Zapco, Rainbow, and Zeroflex, Amplifiers, Speakers and Subwoofers.
🔊 Custom Installs & Fabrication That Set You Apart
We specialize in:
🎯 Full Car Audio Installs auckland
🔊 Handcrafted subwoofer enclosures (sealed, ported, 4th & 6th order)
💡 Fully illuminated subwoofer amplifier enclosures and builds — RGB, acrylic, plexi, underglow, and more
🎚️ Custom bass knobs with LED options
🎛️ Custom RCA distribution blocks
🔥 Custom fuse holders in 2, 4, 6, and 8 output configurations
🪫 Battery delete Boxes — clean up your bay while maintaining system integrity
Every detail is designed in-house for maximum function, clean aesthetics, and performance under pressure.
🔋 Custom LTO Battery Banks – Built for Serious Power
Sound this powerful needs an equally serious power source — and we’ve got it. At Sonic Kustomz, we build custom LTO (Lithium Titanate Oxide) battery banks using premium Yinlong 35Ah cells — trusted for their:
⚡ Ultra-fast charging (fully charges in under 10 minutes)
🔋 20,000+ cycle life
💪 Massive discharge capability (easily supports 15,000W+ systems)
🧊 Extreme temp range (-40°C to +60°C)
🔧 We Build to Fit Your System:
✅ 2-bank (12-cell) systems for 12V–16V builds
✅ 4-bank (24-cell) setups for even greater capacity
✅ Custom LTO configurations available — 3-bank, 5-bank, or more, with options for:
Voltage (12V to 16V+)
Capacity (35Ah, 40Ah, 45Ah cells)
Orientation, space constraints, and power goals
Each bank includes:
High-grade plates / busbars
Pre-installed active balancer
Heavy-duty protective case
Fully pre-tested, balanced, and ready for install
Whether you’re building a high-power car audio system, mobile power unit, or off-grid energy bank — we’ll design the LTO solution that fits your exact needs.
🛋️ Home Audio (Coming Soon):We’re bringing our audio expertise indoors with high-end home audio systems featuring Morel and JL Audio — perfect for home theaters, audiophile listening, and whole-home sound.
🚗 Performance Upgrades (Coming Soon):Expect Max Load air suspension systems, adjustable ride kits, and more — giving you total control over stance, comfort, and handling.
💯 Built Different. Installed Right. Powered to Perform.
At Sonic Kustomz, we combine technical know-how with custom creativity to bring your vision to life — loud, clean, and head-turning from every angle.
🔧 We offer:
Premium car audio systems
Custom LTO battery banks (35Ah, 40Ah, 45Ah)
Illuminated builds & custom fabrication
Custom made bass knobs, RCA distro blocks, fuse holders, and more
Coming soon: Home audio & performance parts
🎯 Ride Loud. Live Clear. Perform Clean.
Only at Sonic Kustomz.
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