The AV-JEFES PMM19B-H4P clip-on Musical Instrument Microphone with Magnetic Base Specially designed for Piano.. The microphone's cardioid polar pattern reduces pickup of sounds from the sides and rear, improving isolation of the desired sound source. The AV-JEFES PMM19B-H4P-Piano is compatible with Audio Technica Bodypack Transmitter or Phantom Power input (Phantom Power Module included). Specifications: * Element: Electret Condenser * Polar Pattern: Cardioid * Frequency Response: 30 Hz ~ 16,000 Hz * Sensitivity: -48 dB +/- 3dB * Impedance: 800 ohm * Operating Voltage: 1.5V- 10V D.C. or 48V Phantom Power * Mounting: Clip * Cord Long: 9Ft * Weight: 2 oz (not including connector) Package Including: * PMM19B Instrument Microphone * 9 ft. extension cable * Phantom Power Module * Clamp for Piano * Carrying Bag Note: To use with the Phantom power module, you’ll need to have the Phantom Power turn on. If using with regular non-phantom power input, there will be NO Sound coming out.