Key Features: Enhanced Sound Quality: Ensures clear audio capture with minimal distortion. Versatile Applications: Ideal for DIY audio projects, interactive installations, and commercial sound systems. User-Friendly: Easy to integrate and operate, suitable for both amateurs and professionals. Durable Design: Built to last with high-quality components that withstand rigorous use. Upgrade your audio experience with our reliable and efficient microphone amplifier module, tailored to meet the needs of diverse audio environments. Specifications: Supply Voltage: 2.7v-5.5v @ 3mA current Output: 2Vpp on 1.25V bias Frequency Response: 20Hz - 20 KHz Programmable Attack and Release Ratio Automatic gain, selectable max from 40dB, 50dB or 60dB Low Input-Referred Noise Density of 30nV/ Low THD: 0.04% (typ) Note: Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. Thank you! Please allow 1-2mm/g measurement deviation due to manual measurement. Color: As Shown Material: PCB Package Contents: 2*Microphone Amplifier Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.