SENNHEISER MZA 900 P 4

XLR power adapter for Sennheiser 3-pin lavalier microphones Lemo

• Phantom power adapter for Sennheiser lavalier microphones
• Compatible with microphones with 3-pin Lemo connector
• Allows wired use with P12-P48 phantom power supply
• Switchable gain 0 / -12 dB
• Low cut filter can be activated at 125 Hz
• Two-color LED for phantom power and audio peak indication
• Rugged metal body for professional use

Sennheiser MZA 900 P-4: phantom adapter for lavalier microphones

The Sennheiser MZA 900 P-4 is a phantom power adapter designed to connect Sennheiser condenser microphones with a 3-pin Lemo connector to XLR microphone inputs equipped with phantom power. The adapter allows lavalier or headset microphones to be used in both wired studio setups and wireless bodypack systems.

After connection, the microphone is powered directly from the adapter via phantom power between 10 and 52 V (P12-P48).

Flexible solution for wired and wireless use

TheMZA 900 P-4 is an extremely flexible solution for audio professionals. In fact, it allows the same microphone to be used both wirelessly with bodypack transmitters and wired in the studio or broadcast.

This versatility makes the adapter particularly useful for television productions, theater, live events, and professional recordings.

Built-in controls and advanced functions

The adapter integrates several useful functions for professional use:

• Switchable gain between 0 dB and -12 dB
• Low-cut filter at 125 Hz to reduce low-frequency noise
• Two-color LED for indication of phantom power and audio peaks

In addition, the device can also be used as an XLR microphone cable tester, providing an additional practical function for audio technicians and sound engineers.

Rugged construction for professional use

The Sennheiser MZA 900 P-4 is built with a rugged metal body designed to withstand heavy use in professional settings. The 3-pin input connection with locking system ensures secure connections during use on stage or in the studio.

Technical Specifications.

• Accessory type: phantom power adapter
• Model: Sennheiser MZA 900 P-4
• Power supply: phantom power 10 - 52 V (P12 - P48)
• Gain: 0 / -12 dB switchable
• Low Cut Filter: 125 Hz (-3 dB, 12 dB/oct)
• Input: 3-pin Lemo connector with lock
• Output: XLR-3M
• Indicators: two-color LED (phantom / peak)
• Construction: metal body
• Applications: studio, broadcast, theater, live