Sennheiser MZA 900 P In-Line Preamplifier

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