X2 Digital Wireless Systems X2 designs and manufactures digital wireless instrument and microphone systems for musical and professional audio applications featuring our proprietary TruDigital format for the sound and feel of a direct wire connection. They offer a series of rackmount wireless systems for guitar and bass, vocal mics, lavalier mics, and headworn systems. http://www.x2digitalwireless.com X2 Digital Wireless Systems Products for Sale Search Filter Per Page 40 20 30 40 50 100 Sort By: Featured Featured Price Name Popularity Newness Highest First Lowest First Your Search Returned No Results.