Carrier frequency: 500 Mhz-960 Mhz (optional)
Frequency range: 500MHz-900MHz
Modulation mode: digital modulation
Signal to noise ratio: 96dB
Frequency response: 50Hz-20KHz
Distortion: <0.1%
Dynamic range: 96dB
Delay: <3.0ms
Frequency points: 50/channel A 50/Channel B
Transmitter power: 10mW
Receiver sensitivity: -96dB
set up 20 or 50 selectable frequencies each channel
Handheld mic AA battery,
Receiver rechargeable battery ,
Working range can reach 60m
High end quality catridge
No whistle noise
Suit for any active speaker with 6.5mm jack or 3.5mm jack.