Product Description
The Sennheiser MZA 900 P is an in-line preamplifier and power supply that bridges pre-polarized condenser microphones with standard XLR connections. It converts 48V phantom power and features a 3.5mm mini jack input, making it ideal for Sennheiser lavalier and headset microphones including the E 908B, E 908D, HSP 2, HSP 4, ME 2, ME 3, ME 4, and MKE 2 EW Gold models. The integrated belt clip allows secure mounting during presentations, performances, or broadcast applications. Essential for anyone using Sennheiser wireless systems or condenser mics that require phantom power conversion.
- Plug your pre-polarized condenser microphone into a mic input with 10–52 volts phantom power
- Compatible with microphones that utilize a locking 3-pin special socket (Sennheiser 2000, 3000, and 5000 Series)
- 2-color control LED for phantom power and audio peak
- 0/-12dB pre-attenuation switch
- Switchable 125Hz (-3dB), 12dB/octave roll-off filter
- Doubles as an XLR microphone cable tester
- Integrated belt clip



