Ultra small format but powerful bass easy to connect and can be mounted below the drivers or the passengers seat impressive sound only from 45 litre complete volume responsible for this is the newly developed 20 cm bass with double moving coil supported by a clever electronic equalisation this equaliser conducts the 200 w rated power in an optimum shape to the bass loudspeaker and the best is that one can set the eq according to his own personal taste always impressive always punchy