✓ Outer diameter: 10

The optimal solution is so simple - the heavy-duty 200 mm woofer of the UP W8MB-S4 fits perfectly into the original installation position in the splash guard on the passenger side and delivers exactly the punch that brings the music to life and makes it tangible

it is installed in the original installation location using the supplied plug & play connection cable and a BMW-specific installation solution

1 x Aktiv-Subwoofer Helix U 10A

HiFonics traditionally attaches great importance not only to inner values

STEG Niko 1.7000 KG Rohr ✓ Outer diameter: 10Steg SPL Series Class D amplifier The result of years of development, STEG products are not only characterized by their quality, the selected components and microprocessor controlled systems in combination with the highest quality components make even the STEG SPL amplifiers the ultimate performance basis for loud yet clear playing systems. Class D amplifier Stabilized power supply up to 10 volts input voltage Technical data: STEG Niko 1. 7000 Mono