Designed for musicians who value pure tone, Relay digital wireless systems deliver unparalleled sound quality without compromise. Unlike other systems, Relay never compresses your signal you always get full frequency response and wide dynamic range. Cable Tone matches the unique character of a standard guitar cable, while digital technology keeps the signal noise-free the whole time you're in range up to 100 feet from the receiver (line of sight). You've spent countless hours perfecting your tone. Make sure it's heard loud and clear.