Designed for use with the Sennheiser Evolution G2 Series wireless microphone system, the SKP500G2 is a plug-in transmitter that allows any standard dynamic or condenser microphone with a 3-pin XLR connection, to be used as a wireless microphone. Up to 1440 tunable frequencies and 20 (max) frequency presets are compatible for use with any of the Sennheiser G2 series receivers. Switchable +48V phantom power is available, allowing use with condenser microphones. A comprehensive LCD provides frequency and channel information as well as battery status, Mute status and more. The SKP500G2 plug-in transmitter is lightweight yet durable enough for rigorous use in the field and is powered by 2x AA batteries or optional Sennheiser BA2015 accupack.