The XPD2m Presentation Dual-Channel Digital Wireless system delivers two channels of high-quality, uncompressed wireless audio ideal for group presentations, educators, worship leaders, and more. Operating on the 2.4GHz license-free frequency band, the XPD2m offers simple setup and rock-solid wireless operation in a portable package. Set up is extremely easy and you can start performing with one-touch pairing that syncs the transmitter and receiver channel. The Presentation System includes one RXD2m receiver, two PXD1 transmitters, two LM7 lavalier mics and two DE5 headset mics.