ITEM NAME:Mini LM386 DC 3-12V Micro Audio Power Amplifier Amp Board Module 750mW New Descriptio n Description: Working voltage: 3.8V-12V (voltage falls below 4V sound will be significantly reduced, the maximum can not exceed 15V). Output Speaker Impedance: 4 ohms -32 Euro (high impedance voice, high efficiency, if there is no confidence in their own horn, you can buy the shop sold the speakers, the sound is very loud). Supported Speaker power: 0.5W-25W (in fact, any power speaker can be used, speaker volume, and power is not so much, as long as the amplifier output is greater than the rating on the line, big horn sound may be bigger point). Used to make very good mic preamp, AC ripple and noise is low, the output signal voltage is greater than 1V or more, and promote post-amp signal values are very strong. The output volume can be adjusted range: 0 to 100%, on-board potentiometer only fine-tuning, the conventional audio volume can be adjusted directly by control. Specifications: Operating Current: 1mA (static) to 150mA (max). Output Power: 750mW (max). Size: 20mm * 12 mm * 7.5mm(LxWxH). Package Included: 1 *Â Mini LM386 Micro Audio Power Amplifier Amp Board Module Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. Honesty is gold for all! Mini LM386 DC 3-12V Micro Audio Power Amplifier Amp Board Module 750mW New
