Nady SPC-15 Condenser Microphone - Tailored to enhance vocals, supercardioid polar pattern and wide dynamic range Pressure-gradient back electret condeser microphone with transformerless FET circuitry yeild a wide frequency response specially tailored for for the enhancing of transients in vocals and instruments Pressure-gradient back electret condeser microphone with transformerless FET circuitry yeild a wide dynamic range and high SPL capacity Supercardioid polar pattern provides excellent feedback rejection Requires 48V phantom power