AV-JEFE PHM449 Professional Vocal/ Instrument Dual Power Sources Studio Quality Microphone _ Good in Handling High Tones! Crisp & clear sound reproduction. Sweet high end & silky transients. Power Options: Phantom Power or Battery or Both. It requires a microphone cable to connect with your PA or mixer. Microphone cable is NOT included. This is NOT a wireless microphone. (AA/UM3 Battery: 1.5V DC or Phantom Power: 9V - 52V DC) Perfect choice for film, interview, audio engineering, live performance, studio recording... Perfect for outdoor use. The dual power sources design enhances the volume of sound output and delivers consistency across audio frequencies. Built-in On/Off switch for convenient control