Anchor Audio's MEGA-DP1-AIR-B is the perfect portable PA system for a variety of situations including indoor & outdoor events as well as schools & universities. It is highly effective in military training and sporting events. An awesome tool for band & guard practice, general public announcements or at public gatherings (PSA's). Highly useful in firing ranges and for parks and recreation dept's. Auction houses and first responders alike can benefit from keeping an Anchor Audio system on hand. Keep one close for emergency preparedness! Includes MEGA2-XU2, MEGA2-AIR, two SS-550, 1 WB-LINK BodyPack tansmitter, 1 LM-LINK Lapel mic (3.5mm plug) and 1 HBM-LINK Headband mic (3.5mm plug).