Sennheiser K6-P Powering Module, 30-20000Hz Frequency Response, Phantom Power Only, 200 Ohm Nominal impedance, On/Off Switch Sennheiser K6-P Powering Module - MZQ 200 Microphone Clamp - Protective Carrying Case - Sennheiser 2 Year Limited Warranty Transformerless balanced output on 3-pin XLR connector Switchable bass roll-off filter protects against rumble, handling, pop and wind noise On/off switch High output, low noise