Ak 470 Wireless microphone duel set

RECEIVER

1. Receiving mode:Super heterodyne double-conversion
2. Frequency vibration: PLL lock loop
3. Receiving Sensitivity:-93dBm
4. Power:Build in battery Lithium 3.7v
5. Rated power consumption:3W

TRANSMITTER
1. RF output power:50mW
2. Clutter Suppression
3. Antenna: hidden external power
4. Pickup head: dynamic cardioids directivity(handheld MIC) condenser directivity(waistband MIC)
5. Batteries:AA1.5VX2

SYSTEM PARAMETER
1. Frequency:UHF 640-690MHz
2. Frequency stability : ±0.005%(-10°℃-50°℃)
3. Modulation mode : FM
4. Max modulation frequency : ±40kH
5. Frequency response: 40Hz-20KHz
6.S/N:=100dB
7. Effective range : +/-50M
8.Distortion:≤0.5%
9. Work temperature:-10°℃-50℃