Portable wireless meeting AT 2822 R 1bh mic pegang wireless 1bh mic jepit + transmiter wireless 1bh mic headset Kaset Tape, USB /SD Card slot playback Tone control ( Echo/ bass/ Treble ) built in rechargeable battery AC 220v Max power 110 W Frequency range : VHF 165 -265 MHz Dimensi: 281 150 365mm ( PxLxT) suara bagus , mantap, empuk cocok buat pidato, ceramah, pengajian , seminar, rapat, meeting dan acara laen2 GARANSI 1THN