Sennheiser K6 Power Module

Features

• Switchable bass roll-off filter protects against rumble, handling, pop and wind noise
• On/off switch with battery test
• High output, low noise
• Transformerless balanced output on 3-pin XLR connector
  

Product Description From Sennheiser:

The K6 powering module is the heart of this Sennheiser professional modular microphone 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 condenser microphone heads to provide a wide variety of polar patterns.
Matt black, anodised scratch-resistant finish.