Sennheiser MD 431-II — Supercardioid Dynamic Vocal Microphone
MD 431-II Overview
The Sennheiser MD 431-II is a professional dynamic microphone built around a supercardioid polar pattern optimized for live vocal and speech reinforcement. Its tightly focused pickup pattern delivers exceptional off-axis rejection, making it a reliable choice in high-SPL stage environments where feedback control is a priority. The MD 431-II is suited for touring engineers, live sound professionals, houses of worship, and broadcast facilities requiring consistent, intelligible vocal reproduction. Sennheiser’s engineering heritage in dynamic microphone design is reflected in the MD 431-II’s construction and acoustic performance.
The microphone’s form factor is designed for comfortable handheld use during extended performances, and its robust dynamic capsule requires no phantom power, simplifying integration into any stage or installed sound system.
Key Features
- Supercardioid Polar Pattern — Tight pickup angle provides superior feedback rejection and strong isolation from stage monitors and ambient noise sources
- Dynamic Capsule Design — Requires no phantom power, ensuring compatibility with virtually any mixing console or preamp in live or installed environments
- Vocal and Speech Optimization — Frequency response tailored for clear, intelligible vocal reproduction in live reinforcement and broadcast applications
- High Feedback Rejection — Supercardioid pattern geometry minimizes rear pickup, reducing the risk of feedback in monitor-heavy stage setups
- Rugged Construction — Built to withstand the rigors of touring and repeated use in professional live sound environments
- Handheld Form Factor — Ergonomic design suited for vocalists and presenters in live performance and speech reinforcement settings

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