Tower Audio upgraded an Alfa Romeo 75 with a Blaupunkt Bremen SQR 46 DAB and discreetly integrated speaker system for a clean OEM-plus finish.

Project Overview
The Alfa 75 received a full audio modernisation while preserving its classic character. The Blaupunkt Bremen SQR 46 DAB delivers modern connectivity via Bluetooth, USB, and DAB+ digital radio, housed in a retro-styled head unit that perfectly matches the car’s 1980s dashboard aesthetics.
What Was Installed
Tower Audio supplied and installed:
- Blaupunkt Bremen SQR 46 DAB head unit (retro design, modern features)
- Stealth speaker upgrade using factory locations to maintain originality
- Custom acoustic tuning for balanced sound without visible modifications
The result is an authentic vintage look with the clarity, depth, and wireless convenience of a premium modern audio system.

Why Upgrade?
Classic car owners often want to enjoy high-quality sound and modern functions without altering interior authenticity.
This installation achieves both offering period-correct visuals and contemporary performance for seamless daily driving or weekend cruising.
FAQs
Q1: Can I upgrade my Alfa 75 with a modern stereo without ruining its classic look?
A1: Yes, the Blaupunkt Bremen SQR 46 DAB offers modern Bluetooth and DAB+ features while keeping a period-correct retro design.
Q2: Does Tower Audio install Blaupunkt Bremen units in other vintage cars?
A2: Yes, installations are available for various classic models including BMW E30, Mercedes W124, and Porsche 944.
Local Expertise in Classic Audio Upgrades
Tower Audio specialises in retrofit CarPlay systems, classic vehicle sound upgrades, and custom stealth installs across Melbourne.
All work is performed by experienced technicians using manufacturer-approved wiring and acoustic insulation for long-term reliability.
📞 Book your classic audio upgrade – Call 03 95533054
