... FM radio/ Ipod dock can be choice.SP series speaker Describes 1\SP-08,SP-10,SP-12, SP-15,8inch/ ... -08,SP-10,SP-12, SP-15,8inch/10inch/12inch/15inch active plastic speaker with analog amplifier.SP series passive speaker Pecification ... (1W/1m)98dB99dBImpedance4 Ohm4 OhmSize cm420x310x575mm440x355x680mmWeight19.5kg24kg SP series speaker Picture DetailsCompany pictureWelcome to contact us for more details!