The diameter of the horn: ?40mm

Impedance: 32?

Output soundpressure: 94 dB S. P. Lat 1KHz

Frequencyresponse: 20-20000Hz

Rated power: 15 mW

Line length: 2M

Plug: 3.5mm

Microphonespecifications: 6 *5mm

Microphonedirectivity: Omnidirectional

The microphonesensitivity: -52�3dB

Microphoneimpedance: 2.2 k

Microphonefrequency response range: 30Hz -16000Hz

Work with headvoltage: 3V