Powering module for battery/phantom powering with switchable roll-off filter and 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. Matte black, anodised scratch-resistant finish.