Ai-Sonic S1-MB OEM installer kit C-Series ( W203 )

- 1? ASV voice coil. - 20mm Silk dome neodymium tweeter. - 2-way passive crossover with rubber housing. - Impedance 4 Ohm - Tweeter crossover 12dB / oct - Midbass crossover 6dB / oct - Crossover cutoff 4900Hz - Power recommendation 25-130W - Sensitivity 89dB - The set does not include mounting screws..