Performance Specifications (2-ohm version):RMS power at 4 ohms: 4 × 130 watts

Can be used in many places due to the small space requirement and is a cheap alternative to expensive A-pillar conversions

The basic speaker equipment from BMW vehicles can only partially meet the demands of ambitious music lovers in this regard

4x 425 Watt RMS

40 Hz – 24 kHz

CZ Audio KW4 12" Gehäuse Performance Specifications (2-ohm version):RMS powerCZ Audio KW 4 The CZ Audio KW 4 subwoofers are handcrafted high end subwoofers and equipped with a massive 4" 8 layer aluminum coil. They are therefore capable of delivering tremendous power. Thanks to the extremely powerful ferrite motor, these subwoofers achieve an enormously high efficiency, produce extremely precise bass due to the lightweight construction and the strong magnetic field and, thanks to the stable fiberglass reinforced In contrast to