– Car specific 2 way component system ”Made in Germany” – 4” Midwoofer with paper-fibre cone and rubber surround – 1.02” copper voice coil / BIMAX® spider – 1” titanium dome tweeter – Power handling: 50 W RMS / 100 W MAX – SPL: 87 dB / Impedance: 3 Ohm / frequency range 100 Hz – 25 kHz – Recommended high pass filter at 150 Hz with a slope of 12 dB/Oct BMW: Front: F15, F16, F86, G05 Rear: REAR DOOR: F15, F16, F86, G05.