Sony ECM-44B Omnidirectional Lavalier Microphone

Overview

The Sony ECM-44B Omnidirectional Lavalier Microphone provides the renowned clarity of Sony’s electret condenser microphone technology in a compact and affordable form suited for lectures, presentations, demonstrations, and general sound reinforcement. Measuring just 8.5 × 14.5 mm, the low-profile design reduces on-camera visibility while delivering clean, bright, and natural audio reproduction. Designed for cost efficiency and long-term reliability, the ECM-44B operates exclusively on a single AA battery, offering up to 5000 hours of continuous performance.

Core Features

• Compact electret condenser lavalier microphone
• Omnidirectional pickup captures natural sound
• Requires AA battery; no phantom power
• Up to 5000 hours continuous operation
• Reduced visual profile at 8.5 × 14.5 mm
• Includes clip, windscreen, and case
• Bright, clean, natural audio quality
• XLR 3-pin output ensures pro connectivity

Audio Performance

The ECM-44B captures clear speech with its omnidirectional polar pattern, providing even pickup from all directions. With a frequency response of 40 Hz to 15 kHz, 122 dB maximum SPL handling, and a dynamic range of 90 dB, it is well suited for spoken-word applications. Its sensitivity of −53 dB and 32 dB equivalent noise level contribute to reliable, natural-sounding performance in various environments.

Power & Connectivity

This microphone operates solely on a 1.5 V AA battery, delivering exceptional runtime exceeding 5000 hours. Connection is made via an integrated 3 m cable terminated with a standard XLR 3-pin male output, ensuring compatibility with professional audio equipment.

Design & Build

Finished in black and built for general-purpose production use, the ECM-44B offers a discreet design that blends into clothing. It weighs 121 g including its power supply and includes essential mounting and protection accessories for field or studio use.