What's included:
1.) Receiver * 1
2.) Transmitting handheld microphone * 2
3.) AC adapter * 1
4.) Audio cable * 1
5.) Antenna * 4
6.) AA battery * 4
7.) Manual
8.) Gift box
Sytem spec
Frequency Range：640.000-690.000MHz
Total channels:200CH
Effective usage distance：≈100m
Frequency interval：250KHz
Frequency width: 100MHz
Frequency oscillation mode Modulation ：FM
Receiver
Signal to Noise: ≥96Db
Frequency stability: 土5KHz
Receiving method: CPU controlled signal selection+pilot recognition receiving
Receiving sensitivity: <-96dBm
Display method: LCD
Power supply: 12V DC, 2000mA
Socket+ Unbalance TRS 6.3mm Socket
Transmitters
Frequency Range：640.000-690.000MHz
Total channels:200CH
Frequency interval：250KHz
Frequency width: 100MHz
RF Power : 10mW
Frequency Response :50-18KHz
Frequency stability: 土5KHz
Head type: dynamic coil Battery: 2 AA (1.5V) when using non rechargeable transmitters .
