[. . . ] Subwoofer INSTRUCTION MANUAL / MODE D’EMPLOI / MANUAL DE INSTRUCCIONES / MANUAL DE INSTRUÇÕES English ©B61-1364-00/00 (K) KW Français IMPORTANT SAFETY INSTRUCTIONS CAUTION To avoid the risk of human injury or property damage, be sure to read and observe the following safety cautions. [. . . ] € Make sure Control listening volume at an optimum that the speaker will not rattle or displace. € If the sound outside the vehicle is Otherwise, a displaced speaker may cause inju- inaudible, a traffic accident may result. € The speaker NOTE: Connect to an amplifier with an RMS power equal to or lower than that of the speaker. € If the RMS power of the amplifier is higher than that of the speaker, increase the speakers and connect them in series or reduce the speaker input power. [. . . ] € When using multiple speakers, calculate their total impedance and use an impedance value within the range in which the operation of the amplifier is guaranteed. [. . . ]