Speaker type: moving coil type / diameter ø50MM
Input resistance: 32Ω
Rated power: 10mW
Maximum input power: 20mW
Frequency range: 20Hz to 20KHz
Rated sensitivity: 110dB±5dB
Left and right balance: ±3dB
microphone
Rated sensitivity: -38dB±2dB
Microphone impedance: RL=2.2KΩ
Directionality: omnidirectional
Working voltage: 5V