Brand: Audio System (German high quality brand). 200mm 3-way partial active system For all E and F models from BMW Consisting of: 2x HS 25 EVO. 2x FWK BMW 2-Way Plug and Play Crossovers 2x AX 80 SQ EVO midrange drivers 2x AX 08 BMW EVO under seat subwoofers. The kit includes BMW specific speaker plug adapters for the components and subwoofers and also fixing screws Impedance: 3 ohms, power: 2x 85 watts rms (components) and 2x 120 watts rms (Subwoofers).