- Selected aircraft-grade aluminum alloy body, high-precision CNC engraved 1930 diameter 0.6mm array of decorative holes; - Built-in 2 × 14 mm high-fidelity gold-plated condenser double-diaphragm pickup head, based on the improved variable step DDCS adaptive algorithm for noise reduction pickup method, can significantly reduce background noise, improve the signal-to-noise ratio and pickup clarity; - The microphone pole using 32,500 0.4mm diameter high-density sound interference holes, accurate calculation of aperture diameter and spacing, combined with interference correction technology to accurately control the pickup details, effectively improve the human voice frequency range pickup sensitivity; - High-fidelity lossless audio transmission technology, 48KHz audio sampling frequency, pickup sensitivity, clear voice, frequency response up to 30Hz-20KHz; - Using high sensitivity pickup, built-in automatic gain AGC function, effective pickup distance up to 60-100cm without distortion; - With microphone noise suppression circuit system, based on the fifth-order Butterworth low-pass filter voice noise reduction method of denoising the sound signal