Product Parameters Optional voltage:12V Impedance:4O Power:80W(Peak power) Frequency response:60Hz-18KHz(±1dB) FM Radio frequence range:88-108MHz Sensitivity:300mV±10mV QTY/carton:10 sets/pieces The product Gross Weight(KG):1.8 kg Product standard(CM):32*12.8*21(CM) All specifications(CM):68*34*44(CM) Whole gross weight(KG):18.1kg Loudspeaker size:5 inches Warranty:1 Years Product Accessories 1.5m 2p power cord?remote control?remote control line?Circular gelatin sponge Product Features Support USB/SD card (TF) and bluetooth play music, and the microphone (note: bluetooth and the microphone is optional) Music format: MP3 format Waterproof gun barrel EQ effect:Flat / Jazz / Class / Pop / Rock Leather color choices:Pharaoh's skin ©