CLASSICPRO Wireless System CWT810GS Although this product is new and unused, it has been opened once to confirm its operation. Reception Channels: 16 UHF Frequency Band: 806.125～809.750MHz Please refer to the attached photos for other detailed specifications. Set Contents: ・CWG Instrument Cable: 1 ・CWT Belt Pack Transmitter: 1 ・CWR Receiver: 1 ・Receiver Antenna: 2 ・CWR800 Power Adapter: 1 ・2-Unit Rack Mount Kit (L2, C1): 1 each ・Charging DC Cable: 1 ・Connection Cable (XLR Female - Phone, 1m): 1 ・Channel Switching Screwdriver: 1 ・Instruction Manual I have tested it with my guitar and amplifier, and there were no problems. In my subjective opinion, the sound is bright and crisp, like it has more clarity than a cable connection. Please understand that this was a short-term check, and we ask for no returns or exchanges. I am also selling a custom-made dedicated case, so please take a look.