Includes BT-1 Bluetooth receiver to play music wirelessly from. bluetooth compatible devices. High-power amplifier for big sound, even outdoors. Take anywhere with the portable battery-powered design. Enjoy full-range tone and low-end punch with the subwoofer. DSP effects designed especially for singing and spoken word. Phantom power support for condenser microphones. Wide array of inputs/outputs for microphones, MP3 players,. and recorders. Main unit can be daisy chained to other MOBILEMANs for even. bigger sound. Weight: HEAD 29 lbs, Shipping Dimensions: 14 x 16 x 17". Weight: SUB 25 lbs, Shipping Dimensions: 14 x 16 x 15". MOBILEMAN: Without wireless mic modules or SD recorder