Specifications:

1.System infrared light (850nm)

2.Carrier frequency:

a) A channel: left channel :2.3Mhz / Right channel: 2.8Mhz

b) B channel: left channel : 3.2Mhz Right channel: 3.8Mh

3.Signal to Noise: >60db

4.Channel Separation: >45db

5.Distortion: <1%

6.Frequency Response: 30-20,000H

7.Power Supply: 2 x AAA Batteries (Not Included)