... 50*32*50(pair/2cartons) Specification:Optional:wireless/bluetooth/color/ MIC,Remote/ Guitar input Output power: RMS 35Wx2CH Frequency Response:30Hz ... music format2. 2.0 tower speaker With FM Radio/ MIC/Guitar input 3. With Karaoke function,2 microphone socket input4 ... . Volume, bass, treble, echo, mic-volume separately control5. Compatible with PC/VCD/DVD/CD/TV ...