Name: Shure MX393 - Surface Effect Microphone, Black, Supercardioid - Microphone
Brand: Shure

Shure MX393 Surface Effect Microphone (Black, Supercardioid) is a professional table microphone designed for clear voice capture and reliable performance in installed sound applications.

This Shure MX393 features a supercardioid (listed as cardioid in some specs) polar pattern and a sensitivity of -30 dB, delivering focused pickup of speech while minimizing ambient noise. With a frequency response of 50–17,000 Hz and a 71 dB signal-to-noise ratio, it reproduces natural vocal tone with low self-noise.

Built as a wired table microphone, the MX393 connects via an XLR-3 interface and requires DC phantom power in the range of 11–52 V, drawing just 2 mA. The output impedance is 180 Ω, making it compatible with standard pro-audio preamps and mixers.

The unit is compact and robust, weighing 172 g and finished in a discreet black color that blends into conference rooms, lecture halls, and broadcast environments. It operates reliably across a wide temperature range, from -18 to 57 °C, and can be stored between -29 and 74 °C.

An integrated mute function and automatic mixing capability help manage multiple microphone setups and reduce feedback, while a 3.5 m cable provides flexible placement on tables or podiums. The low power consumption and straightforward wired connectivity make installation and maintenance hassle-free.

Typical use cases include conference rooms, boardrooms, courtrooms, lecture halls, and broadcast studios where clear, intelligible speech capture and discreet appearance are priorities. The MX393 excels in installed systems requiring dependable, focused audio pickup.

Key selling points: supercardioid directional pattern for focused pickup, -30 dB sensitivity, XLR-3 wired connectivity with 11–52 V DC phantom power, 71 dB SNR, and compact 172 g design in black for unobtrusive installation.