Specifications:

Technical parameters

Frequency range: UHF 650-690MHz

Frequency stability: -30ppm

Dynamic range: >90dB

Harmonic distortion: 0.8%

Frequency response: 40Hz-15KHz + 3dB

Audio output: balance: 400mV

Mixed style: 400mV

Open environment theoretical transmission distance:30-50meters (under standard condition)

Receiver

Power supply voltage: DC12-15v

Power consumption: 2 WATT

SNR: >100dB

Adjacent channel interference ratio: >80dB

Reception sensitivity: 5dBuV (sinad>20dB)

Receiver adapter: input AC110V-220V, output DC12V1A

Antenna: external

To aggravate: 50us

Handhelds microphone

Transmitting power: 30mW

Modulation mode: FM

Pickup: Heart-shaped

Maximum adjustment system: 20KHz

High harmonics: >40dB

Power supply voltage: 3V (1.5V AA battery"2)

Duration: 5 hours

Mini Wireless Transmitter

Carrier Frequency Power: 30mW

Power Consumption: 80mA

Working Time: Up to 6hrs

Battery Capacity: 2*1.5V/AA