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Sony ECM-678 Shotgun Microphone


Key Features

    • Supercardioid Polar Pattern
    • Suitable for Sony Pro Cameras
    • High Sensitivity & Low Noise
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The Sony ECM-678 short shotgun microphone delivers professional audio signal reproduction while remaining camera mountable and cost effective. Designed for use in broadcast, professional video, film, and field audio applications, the ECM-678/9X is at home mounted on a boom pole or Sony HDV Series, DVCAM Series and XDCAM Series cameras.

The super-cardioid polar pattern aides in the microphone's directional response, allowing clear pick up of the target signal while eliminating noise and ambiance at the off-axis sections of the microphone.

The ECM-678/9X features a low-cut filter switch that eliminates noise and low frequency rumble. The microphone requires external +48V phantom power and it's rugged design proves suitable for rigorous use on the road.


Camera and Boom Pole Mountable

The ECM-678/9X is mountable on boom poles and Sony HDV Series, DVCAM Series and XDCAM Series cameras.

Flat and Wide Frequency Response

It's wide flat frequency response enables accurate, detailed reproduction of a wide range of signal sources.

High Sensitivity and Low Noise

The super-cardioid polar pattern is effective in rejecting off-axis noise, resulting in a close and focused pick up of the desired signal.

Low-Cut Filter

The ECM-678/9X features a low cut filter switch that eliminates low frequency hum, wind noise, ambient noise and proximity effect noise.


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Sony ECM-678 Specs

Electret Condenser
Polar Pattern
Frequency Response
40Hz to 20kHz
Dynamic Range (Typical)
111dB or more
Signal-to-Noise Ratio
78 dB or more (A-weighted, 1 kHz, 1 Pa.)
Maximum Input Sound Level
127dB SPL (0dB SPL=20 PA)
Power Requirements
External, DC 48V +/-4V
Output Impedance
200 Ohms +/- 20%
Output Connectors
3-pin XLR
Low Frequency Roll-Off
Built-in (non switchable)
9.9 x 0.79″ (Length x Diameter)
7 oz