1) AB dual channel
2) Carrier frequency
a) A channel : left channel :2.3Mhz / Right channel : 2.8Mhz
b) B channel: left channel : 3.2Mhz Right channel: 3.8Mhz
3) Impedance : approximate 32Ohm
4) Operation distance:10Meters
5) Power supply: 2*AAA battery
6) Battery life : approximately 30 hours
7) Audio mode: Stereo
8) S/N ratio: ≥60dB
9) Channel separation : ≥40dB
10) Frequency response: 30-12,000Hz