<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><p><span style="font-size:18px"><strong><br/>Product selling point:</strong></span></p><p><span style="font-size:18px">1. Using high-quality materials, the quality is guaranteed</span></p><p><span style="font-size:18px">2. Using max4466 microphone amplifier + ssm2167 voice compression amplifier design</span></p><p><span style="font-size:18px">3. Adjustable magnification</span></p><p><span style="font-size:18px">4. Small size and beautiful appearance</span></p><p><span style="font-size:18px">5. Suitable for hearing aids, conference speech, intercom calls, etc.</span></p><div><br/></div><p><span style="font-size:18px"><strong>Parameter:</strong></span></p><p><span style="font-size:18px">Working voltage: DC3V-5V</span></p><p><span style="font-size:18px">Note: This is only a small signal amplification, can not directly drive the speaker, you need to add a power amplifier.</span></p><div><br/></div><p><span style="font-size:18px">With voice compressor has the following advantages:</span></p><p><span style="font-size:18px">1: Compressing the dynamic range of the microphone signal reduces the level of peak signals and increases gain for low-level signals.</span></p><p><span style="font-size:18px">2: Reduce the noise floor of the microphone signal and effectively improve the clarity of the output signal</span></p><div><br/></div><p><span style="font-size:18px"><strong>Package list:</strong></span></p><p><span style="font-size:18px">MAX4466 Electret Microphone Amplifier Board*1<br/></span><span style="font-size:18px"><br/></span></p><p></p></div></div><p><br/></p>