Superlux ECM999U USB Measurement Microphone Set, Omni Free-Field Condenser Mic for Room Acoustic Analysis, Speaker Testing, Measurement & Recording, USB-C Plug-and-Play, 24-Bit/48kHz, Win/Mac — Open-Box, 19% Off

USB-C Plug-and-Play for Direct Measurement Setup: The ECM999U connects directly via USB Type-C, eliminating the need for phantom power or an external audio interface. It is optimized for fast deployment in room analysis, speaker testing, system tuning, and other measurement applications.

Calibration File Support: If you need calibration file details, please refer to the information slip on the outer packaging. If you cannot find it or have any questions, please contact us through Amazon for assistance.

24-Bit/48kHz High-Resolution USB Audio: The ECM999U supports 24-bit / 48kHz digital operation, providing a high-resolution signal path for detailed measurement and analysis. Combined with a 10Hz–20kHz frequency response, it offers the bandwidth required for a wide range of test and verification tasks.

1/4-Inch Pre-Polarized Condenser Capsule, 133dB Max SPL: A 1/4-inch pre-polarized condenser capsule and integrated measurement circuit support stable performance under demanding test conditions. With maximum SPL up to 133dB, the ECM999U is suitable for loudspeaker evaluation and high-level acoustic measurement work.

Complete Measurement Set for Win and Mac: The package includes the HM10S mic clip, DS01 table stand, S02 windscreen, and 2-meter USB cable for immediate operation. Compatible with Windows 10, Windows 11, and Mac systems.

Omnidirectional Free-Field Measurement Microphone: Designed with an omni free-field condenser configuration, the ECM999U is intended for acoustic analysis, loudspeaker measurement, response capture, and signal evaluation in studio, field, and educational environments.

The Superlux ECM999U is a USB measurement microphone set engineered for acoustic analysis, loudspeaker testing, and system evaluation. Featuring an omnidirectional free-field condenser design, it is suited for room response measurement, speaker verification, and other applications that require consistent signal capture and efficient setup. Its USB Type-C interface enables direct plug-and-play operation without phantom power or an external audio interface, simplifying deployment across desktop, portable, and educational measurement environments. For users who need a straightforward digital measurement solution, the ECM999U integrates essential measurement functionality in a compact and accessible format. The microphone operates at 24-bit / 48kHz resolution and provides a 10Hz–20kHz frequency response, supporting detailed acoustic capture across a broad operating range. It is built around a 1/4-inch pre-polarized condenser capsule and is rated for maximum SPL up to 133dB, making it appropriate for speaker testing and other high-level measurement scenarios. Included accessories—HM10S mic clip, DS01 table stand, S02 windscreen, and 2-meter USB cable—provide a ready-to-use package for Windows and Mac users working in room acoustics, system tuning, audio testing, and measurement support applications.