PGX-D DIGITAL WIRELESS, WITH STATE-OF-THE-ART, 24-BIT DIGITAL AUDIO AND TRUSTED SHURE MICROPHONES, DELIVERS STUNNING SOUND AND A STRONG, CLEAN RF SIGNAL. INCLUDES PGXD4 RECEIVER, PGXD1 BODYPACK TRANSMITTER, PGA31 HEADSET MICROPHONE, 2 AA BATTERIES, POWER SUPPLY, CLOTHING CLIP, WINDSCREENS, CARRYING CASE, AND USER GUIDE.