Sonic Kustomz

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Sonic Kustomz

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From clean daily setups to full-blown demo monsters, we design each system around your ride.

01/11/2026

Rendering of the center console for the 64 impala. Should look pretty sick when done.

01/11/2026

https://www.sonickustomz.co.nz/shop/ =45545

31/10/2026

Concrete petes truck about to have power upgrade.
Custom cell brackets to hold her all togeather. Just have case and clear lid with more leds to do.

31/10/2026

Another custom bassknob for the man Regz Tupe.

If your after a custom bassknob message us. These are printed out of ABS and coming soon some ASA printed units. ( ASA is a high temp UV resistant 3d printer filament ).

Note: their is a current delay as we are awaiting other parts.

31/10/2026

Custom RCA Distro? Heading to mangawhai.

31/10/2026

Anyone looking for a RCA Distro? Had left over parts and whipped this one up if anyones needing one then message me with an offer for it ( no stupid offers please ) and it could be all yours.

29/10/2026

New addition to the zeroflex mids range.
Meet the zeroflex PRO-W10.0RGB
Perfect match to the PRO-W6.5RGB and PRO-W8.0RGB speakers.
350wrms/700w max
65Hz to 8kHz.

29/10/2026

New addition to the zeroflex mids range.
Meet the zeroflex PRO-W10.0RGB
Perfect match to the PRO-W6.5RGB and PRO-W8.0RGB speakers.
350wrms/700w max
65Hz to 8kHz.

29/10/2026

🏍️🔥 HARLEY-DAVIDSON RIDERS — TURN UP THE VOLUME! 🔥🏍️

🔊 NEW ZERO FLEX HD-572 WATERPROOF 5×7 SPEAKERS HAVE LANDED!

Want louder, clearer, more powerful audio that you can actually enjoy while cruising down the highway?

The Zeroflex HD-572 speakers deliver serious performance for Harley-Davidson audio upgrades, combining high power handling, efficient neodymium magnets and waterproof construction.

💥 INTRODUCTORY PRICE — ONLY $300 PER PAIR!

🔥 Regular retail $399 — SAVE $99!

🔊 SPEAKER SPECIFICATIONS:

✅ 200W RMS / 400W MAX power handling
✅ 92dB high-efficiency sensitivity
✅ Powerful neodymium magnet technology
✅ Waterproof construction
✅ 4-ohm impedance
✅ 5×7-inch coaxial design
✅ Frequency response: 70Hz–20kHz

🏍️ MORE THAN JUST SPEAKERS — COMPLETE HARLEY AUDIO UPGRADES!

At SONIC KUSTOMZ, we specialise in custom Harley-Davidson audio systems, designed to deliver powerful, clean sound even when you're out on the open road.

🔧 OUR HARLEY AUDIO SERVICES INCLUDE:

🔊 Complete factory audio system replacements
🔥 High-output midrange and midbass speaker upgrades for greater volume and clarity while riding
⚡ High-performance amplifier upgrades
🎛️ DSP installation and precision tuning for exceptional sound quality
🏍️ Custom saddlebag, fairing and Tour-Pak audio installations
🔉 Subwoofer upgrades and custom enclosures
🔧 Complete custom audio system design and installation

Whether you're looking to replace tired factory speakers or build a serious high-output sound system, we've got you covered.

We don't just install equipment — we professionally tune your system to get the best possible performance from every speaker and amplifier.

📦 STOCK AVAILABLE — NATIONWIDE NZ SHIPPING!

💰 ZEROFLEX HD-572 — JUST $300 PER PAIR!

📩 Message us today to order your speakers or discuss an audio upgrade for your Harley.

🌐 www.sonickustomz.co.nz

🏁 SONIC KUSTOMZ — CUSTOM AUDIO. SERIOUS PERFORMANCE.

Address

Pukekohe East
2120

Website

http://www.sonickustomz.co.nz/

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