Earthworks Audio SR-25, Condenser Microphone, Polar pattern: Cardioid, Frequency response: 20 - 25000 Hz, Class-A amplifier, Max. SPL: 145 dB SPL, Dimensions (L x D): 165 x 22 mm, Weight: 160 g, Incl. MC1 microphone holder@+@+*Note:* Requires 48 V phantom powering