Premium by Brummstadt.com.au

Expert support for Aussie drivers | 7 days a week incl. holidays

3-year warranty | 30-Day returns

Guaranteed fit or we'll fix it

Universal Fibre Optic Interface Box - Essential for Retaining Factory Speakers & Amplifier During Aftermarket Head Unit Installation

Excellent
395+ Trustpilot reviews
-A$50
A$199.00 A$249.00
or pay later interest free with Zip
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  • Premium Quality: Built to last with high-grade materials
  • Easy Installation: Plug and play design
  • Vehicle Specific: Designed for your exact model
  • 3 Year Warranty: Comprehensive coverage
  • Fast Shipping: Express delivery Australia wide
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Order now and expect your order to arrive between Mon 11th Nov and Thu 21st Nov. Regional delivery? No problem – might just need an extra day or two.

Real feedback

Trusted by passionate drivers

Our community includes touring families, tradies, and off-road crews who rely on their vehicles every day. Their experiences shape what we stock.

4.6/5

Based on 395+ Trustpilot reviews

850+ total installs + reviews referenced

Read more reviews on Trustpilot

"Mercedes GL 350 Install"

Verified on Trustpilot

"I recently installed a Brummstadt Head Unit in my Mercedes-Benz GL350, and I couldn't be happier with the result! The unit completely transformed the dashboard. It looks sleek and modern, with a fast, responsive display..."

"A genuine desire to help and to get the product working as it should"

"A genuine desire to help and to get the product working as it should. We purchased a replacement head unit for our 2013 RAM as we wanted to have easy access to maps, music, TPMS etc. Neither of us are particularly tech s..."

"Doesn't get much better than this."

"Not only is the product great, it works flawlessly and is super responsive with great graphics rendering. But the customer service was even better! I had the pleasure of getting assistance from Patrick J, every question,..."

Customer install stories

Loox customer install stories

User-generated photos and videos submitted through our Loox review hub. Trustpilot testimonials live above; this gallery captures wired installs from the community.

2 days ago

Shopping with Brummstadt was a quick and easy experience. The team were prompt to answer any of my questions and confirm the product would fit my vehicle. Delivery to Melbourne was quick and as someo...

2 days ago

We purchased the premium head unit upgrade kit with wireless Apple CarPlay and Android Auto, along with the front and rear cameras, for our 2012 GMC Denali and couldn’t be happier. The unit and surrou...

3 days ago

Looks great, working well and pretty easy to install, but havn't had time yet to figure out how to connect the steering wheel volume controls.

3 days ago

Great looking functional unit that is a big improvement on the Porsche PCM that failed. Only draw back was no written instructions on how to use it. Nice to have an original paper copy that I could p...

6 days ago

Great fit and great system thank you.

1 week ago

Great unit for replacing the factory unit in the Hyundai Tucson, ours had blown/stopped working and could not find a replacement anywhere! Tommy and the team were fantastic and answered any questions...

1 week ago

Great product and also great service from the team. I sent a few questions and got answers back straight away. Tommy - is a legend.

1 week ago

Very good easy to install

1 week ago

Good service, quality product good price

2 weeks ago

Haven't installed yet as xmas and new year so waiting for 4x4 business to open But happy with item

2 weeks ago

Helpful and quick to respond. Unit fitted perfectly

2 weeks ago

Item once received arrived well packed and in excellent condition with all cables and accessories required. Was a simple install with no issues and literally only took approximately 20 for pure amateu...

2 weeks ago

Had this unit fitted and works great. Just have to used to the new displays

2 weeks ago

The installation was pretty good, it was missing the dual Farka points to adapt to the standard aerial so we had to dash out to get an adaptor. Overall though 9.5/10 for install. We have not tuned it...

3 weeks ago

Speedy delivery of product. Good product. Instructions for installation would have been useful.

3 weeks ago

excellent service and excellent product 👌

3 weeks ago

Was very easy to install and when I had an issue with setting up the revere camera Kevin was amazing in assistance with support straight way

4 weeks ago

Works great and looks great. Fits into my 2008 ford escape perfectly.

4 weeks ago

Reasonably easy to install. Instructions could be clearer but tech support was helpful.

1 month ago

The 12 Inch Ranger Mk2 head unit works perfectly, connects to carplay and android no issues, connect and displays UBD2 info on a headunit app. The replacement trim is good quality, fits well and looks...

FOOTNOTES

Important product information, compatibility details, comprehensive warranty coverage, and professional support from our technical team

1. Professional installation recommended. Installation time varies by vehicle model (30-120 minutes typical).
2. Apple CarPlay requires iPhone 5 or later with iOS 7.1 or later. Android Auto requires Android 6.0 or later. Wireless functionality requires compatible phone and may vary by region.
3. 4G/5G connectivity requires active SIM card with data plan (not included). Network performance depends on carrier coverage in your area.
4. Our products are designed to work with steering wheel controls unless stated otherwise in the product description. Some vehicles may require a compatible CANBUS module. Retention of factory features varies by vehicle model and year.
5. Screen sizes are diagonal measurements. Actual viewable area may be less. Screen resolution varies by model.
* 3-year warranty included. Express shipping available at checkout.
** 3-year warranty covers manufacturing defects. Does not cover damage from improper installation, physical damage, or unauthorized modifications. View full warranty terms.
30-day return policy applies from date of delivery. Products must be in original condition with all accessories. Installation costs are non-refundable. View return policy.