For sale is a nice CAD wireless system. Comes with the dual channel receiver, 2 transmitters, 2 microphones, and 2 1/4" to mini XLR cable for using it for instruments. It is in good working condition. Comes in the original box. The transmitters operate off of 9-volt batteries. Specifications on the receiver: -Frequency band: VHF H 185.8MHz/213.74MHz VHF J 187.75MHz/205.75MHz -Frequency response: 50hz-18khz -Dynamic range: >100db -Outputs: 2xXLR, 1x1/4"