Reduces high soundpressure levels on stageand in the studioLarge diameter (50mm),high-output neodymiumdrivers for clear andsolid reproductionExtended bassresponse to 10HzFoam cushions formaximum comfort andsound isolation19dB of ambient noisereduction

This microphone is a condenser type of microphone and requires external power that is referred to as Phantom Power or may also be listed as +48V. This is very common and is usually found on most DJ or multi channel (band) mixers