... speaker ,mini speaker 2.with usb connector 3.suitble for of the audio frequency with output 2.0 active subwoofer speaker subwoofer ... MP4 Speaker, Portable Speaker , Home theatre speaker,Hifi speaker,usb speaker Speaker Box, Speaker Cable, Speaker Stand, Loudspeaker, ... Wood Power 25Wx2 Impedance: 4Ω Speakers Unit5"Midrangex2PC+2"Midra ngex2PC S/N 85dB Separation ≥62dB Dimensions19cmX25cmX30cm Color ...