The perfect accessory for the Amp-Up™ Personal Amplifier (PA-25W), this wireless head-worn microphone is easy to use, comfortable and lightweight – just slip it on! Provides crystal clear voice pick-up for amplification – be heard, hands-free and wirelessly! Easy to carry, too!
Mic Direction: Unidirectional
Sensitivity: -61dB ±1dB (0dB=1V/Pa)
Working voltage: 3.7V
Impedance: ≤ 2.2KΩ
Frequency: 30-23,000 Hz
Use time after charging: Approx. 4-5 hours