the t.bone RB 770 active ribbon microphone; warm natural sound due to present, balanced low mids - perfect for vocals and amp miking; frequency response: 20 Hz to 18 KHz; polar pattern: Eight; sensitivity: 11.2 mV/PA; signal-to-noise ratio: 72dB; max SPL: 150 dB; requires 48V phantom power; incl. case and windshield