xb-302 sound amplifier within the ear sound sound collector loudspeaker

XB-302 ear-mounted sound amplifier and microphone


Product size: 72*38*30cm
Quantity per box: 200
A box gross weight: 24kg
Carton size: 63*53*36CM

1. The maximum saturation sound pressure is: ≤110±5dB;
2. Maximum Gain: 30dB;
3. Frequency Response Range: 300--4000Hz;
4、Maximum Harmonic Distortion: ≤7%.
5. Equivalent Input Noise Level: ≤30±3dB;
6. Maximum Operating Current: 6mA;
7. Lithium Battery: 55mAh; Charging Case Lithium Battery:
250mAh;

Built-in rechargeable lithium battery.
Charging time: 1-2 hours
Battery life of about 15 hours on a full charge;