Detailed Selling Lead Description

SN-U660 
wireless microphone
Technical Specification
Integrated specifications:
Working frequency range: 730~870MHz
Frequency stability: +-0.005%(-10C~ 50C)
Maximum modulation frequency: +-40KHz
Audio frequency response: 40Hz~18KHz
S/N ratio: >/100 dB
Effective working distance:100M (300 inch)
T.H.D.: /<0.5%
Working temperature: -10C~ 50C
Receiver specifications:
Receive mode: select the channel automatically
Frequency vibration mode: PLL lock loop
Receiver sensitivity: -100dB
Output voltage: 0~400Mv(XLR balance output)、
0~350mV(6.35 unbalance output)
Working power: 13-18 DC
Rated power: 4W
Rated consumption power
Microphone specifications:
RF output power: 10mW
Clutter compression: >70dB
Antenna: entirely ensconcing 
Pickup head: dynamic cardioid directivity
Battery: 1.5Vx2 AA size alkaline battery
Power consumption: 100mA
Battery life: more than 6 hours