Loudspeaker:

Driver Unit: Dia 30mm Cobalt magnet

Impedance: 32 ohm

Sensitivity: 118 dB

Frequency Response: 20-20,000 Hz

Microphone:

Driver Unit: 6mm Dia Electret Condenser Microphone

Direction: Omni-directional

Impedance: Low

Sensitivity: -58dB

Frequency Response: 30-16,000 Hz