Avantone CK-6, Large Capsule FET Condenser Microphone, Polar Pattern: Cardioid, frequency response: 35Hz - 20kHz (+/-3.5dB), 136dB maximum SPL, 80Hz hi-pass switch (6dB/octave), -10dB attenuation switch, requires 48V phantom power. Dimensions: 46 x 155 mm. Included accessories: Metal Case with wooden box and shockmount.