BMW X1 2025 - Full Sound System Upgrade
Original Setup:
- Factory Radio (NON HARMON KARDON)
- Front 4 inch Coaxial Speakers only
- 4 inch Rear Coaxial Speakers
- 2 x 8 inch Subwoofer under front seats
New Setup:
This customer wanted to upgrade their entire sound system while keeping the factory radio and original interior look intact. The goal was clear — improve performance without compromising OEM appearance.
Stage 1: Upgraded Sound System
- Front Speakers: Focal K2 Power Component (BMW Direct Fit)
- Rear Speakers: Focal K2 Power Component (BMW Direct Fit)
- Underseat Subwoofers: Helix Ci5 8" Woofers
- Tweeter Grilles: Genuine BMW Harman Kardon
Results:
Stage 1 delivered an immediate transformation. The stock BMW base system lacked power and definition — the sound was flat, muddy, and completely missing low-end punch. After the upgrade, the system came alive with crisp, detailed highs and tight, responsive bass. It was a dramatic improvement that made every drive more enjoyable, setting the perfect foundation for future enhancements.
Stage 2: Amplifier & DSP Upgrade
- Amplifier: Helix V8 Ultimate 8-Channel DSP Amplifier
- Wiring Harness: Match PP-BMW 1.7 RAM
- Centre Speaker: Focal K2 Power Component
- Controller: Helix Conductor Controller
Results:
Stage 2 took the system to another level. Adding the Helix amplifier and DSP unlocked the full potential of the Focal speakers, delivering concert-like clarity and precision. The centre speaker filled out the soundstage beautifully, while the added power brought deeper, more controlled bass. Using the Conductor controller, the customer can easily adjust subwoofer levels on the go — fine-tuning the balance for any style of music.
This two-stage upgrade completely transformed the vehicle’s audio performance — all while retaining the factory head unit and interior aesthetics. The end result is a sleek OEM look paired with a premium, high-fidelity sound experience worthy of a true enthusiast.
Installation Photos:
