Profile: Powering module for battery / phantom powering with switchable roll-off filter, battery on/off switch with battery test. Suitable for ME 62 - ME 67 microphone modules and -60 versions of MKE microphones. The K6 powering module is at the heart of Sennheiser's professional condenser microphone modular system and can be powered either by its internal 'AA' size 1.5 V battery or by 12- 48 V phantom power. The K6 can be combined with different microphone modules to provide a wide variety of polar patterns. Matt black, anodised scratch-resistant finish. Features: Switchable bass roll-off filter protects against rumble, handling, pop and wind noise On/off switch with battery test position High output, low noise Transformerless balanced output on 3-pin XLR connector Supply schedule: 1 K6 powering module 1 MZQ 200 microphone clamp 1 AA battery 1 protective carrying case Technical Data: Frequency response: 30- 20,000 Hz +/- 1dB Transmission factor (1kHz): 0 dB Nominal impedance: 200 ohms Min. terminating impedance: 1000 ohms  Max. output voltage: 2 V (at 1 kHz)Max. sound pressure level: 128 dB at 1 kHzPower supply: phantom 12- 48 V or 1.5 V battery: 2 mA Battery life: approx. 150 h Dimensions in mm: net:O 22 x 94 gross: O 22 x 155