A. USB 5.1 subwoofer speaker B. USB/SD, FM radio C. ... USB 5.1 subwoofer speaker with SD,FM,VFD display,Remote control,Karaoke Specifications: 1. Power (RMS): 50W(woofer) + 15W( ... inputs, karaoke function 8. MDF wooden cabinet for subwoofer; plastic satellite speakers9. Usage: easy connection with USB ... :Warehouse:Loading container: USB 5.1 subwoofer speaker with SD,FM,VFD display,Remote control,Karaoke