The Sony ECM-673 is a low cost, electret condenser shotgun microphone designed for maximum frontal pick up while minimizing off-axis (side) signal and noise. The wide frequency response and excellent sensitivity deliver superb sound for interviews, field audio and more. The ECM-673 features a low-cut filter switch for minimizing low frequency response and proximity effect. The ECM-673 is light weight and ideal for camera, boom and stand mounting.