New in the box.
The BOYA BY-BM3031 is a high-quality, supercardioid condenser shotgun microphone designed for use with DSLRs, camcorders, audio recorders, and other devices. It is engineered to deliver professional-grade audio capture, making it an excellent choice for videographers, filmmakers, and content creators.
Design and Build
The BY-BM3031 features a robust and lightweight design, constructed from durable ABS plastic. This ensures that the microphone is both sturdy and portable, making it easy to carry and mount on various devices. The microphone includes an integrated shock mount that helps to minimize vibrations and handling noise, ensuring cleaner audio recordings. The shock mount can be attached to a camera's hot shoe or a boom pole, providing flexibility in mounting options.
Polar Pattern and Audio Quality
The microphone employs a supercardioid polar pattern, which is highly directional. This means it is designed to capture sound primarily from the front while rejecting noise from the sides and rear. This makes the BY-BM3031 ideal for recording focused audio in noisy environments or for isolating a subject's voice from background noise. The microphone has a frequency response range of 40 Hz to 20 kHz, ensuring it captures a wide spectrum of sound with clarity and detail.
Gain Control and High-Pass Filter
One of the standout features of the BY-BM3031 is its three-level gain switch. This switch allows users to adjust the microphone's sensitivity with options for a +20 dB boost, 0 dB unity gain, or a -10 dB pad. The +20 dB boost is useful for capturing quiet sounds or distant subjects, while the -10 dB pad helps prevent distortion when recording loud sounds. Additionally, the microphone includes a switchable high-pass filter at 80 Hz, which helps to eliminate low-frequency noise and rumble, such as wind noise or the hum of air conditioning.
Connectivity and Power
The BY-BM3031 connects to devices via a 3.5mm (1/8") stereo mini-jack, making it compatible with a wide range of cameras and audio recorders. It also features a 3.5mm headphone output for real-time audio monitoring, allowing users to ensure they are capturing the desired sound quality. The microphone is powered by two AA batteries, which provide up to 120 hours of continuous operation. This long battery life ensures that the microphone is reliable for extended shooting sessions.
Accessories
The microphone comes with several useful accessories to enhance its performance and usability. These include a foam windscreen and a fur windscreen, both of which help to reduce wind noise and plosive sounds when recording outdoors or in challenging conditions. The package also includes a 3.5mm TRS cable for connecting the microphone to cameras and audio recorders.
Additional Features
- High Sensitivity and Low Noise: The BY-BM3031 is designed to offer high sensitivity and low self-noise, ensuring that it captures clear and detailed audio without unwanted hiss or background noise.
- Durable Construction: The microphone's ABS plastic construction provides durability while keeping the weight low, making it easy to handle and mount.
- Versatile Mounting Options: The integrated shock mount can be attached to a camera's hot shoe or a boom pole, providing flexibility in how the microphone is used.
Conclusion
The BOYA BY-BM3031 is a versatile and high-performance on-camera shotgun microphone that offers excellent audio quality, robust construction, and a range of features designed to meet the needs of professional and amateur videographers alike. Whether you're recording interviews, documentaries, or live events, the BY-BM3031 provides the tools you need to capture clear and focused audio.