The omnitronic bhd 02 is an extremely compact 5 w pa belt amplifier with active speakers and a headset microphone for a variety of uses exhibitions seminars conferences presentations guided tours fashion shows tradeshows aerobics classes the possibilities are endlesswith an adjustable snap in strap and belt clip the omnitronic bhd 02 is the perfect solution for being heard loudly and clearly while keeping your hands free to give demonstrations etcso why struggle with a handheld mic