Line 6 Relay RXS06 Wireless Receiver for Relay G30 Wireless Guitar System Lightweight, low-profile and easy to use; Rugged polycarbonate shell; Requires Line 6 DC-1g power supply (not included) At-a-glance recognition of power, data link, channel number, and audio level via two LEDs and a channel-select switch 24-bit A/D conversion; 128 times oversampling 1/4" output