2Pcs Dc 3V 12V 5V 6V 9V Lm386 Mini Audio Power Amplifier Board Mono Micro Amp Module 750Mw Adjustable Volume

This Amplifier Module Is Based On The Classic Design Of The Chip Lm386, Strong Expansion Capabilities, But Also Has A Lot Of Novel Games Are Played: Audio Amplifier, Headphone Amplifier, Signal Amplification, Electret Pickup, Stealth Headphones ... A Variety Of Games Are Waiting For Diy Players Development. Parameters: 1. Operating Voltage: 3V-12V (Voltage Below 4V Will Significantly Reduce The Sound, The Maximum Can Not Exceed 15V); 2. Operating Current: 1Ma (Static) To 150Ma (Max); 3. Output Speaker Impedance: 4O-32O (Impedance High-Sound, High Efficiency); 4. Support The Speaker Power: 0.5W-25W (In Fact, Any Power Speaker Can Be Used, The Volume And The Speaker Power Is Not Much Relationship, As Long As Greater Than The Amplifier Output Rating On The Line, A Large Speaker Sound May Be Larger); 5. Output Power: 750Mw (Max); 6. Pcb Size: 22X13X8Mm/0.87X0.51X0.31Inch(Lxwxh); 7. Used To Do The Microphone Pre-Amplification Is Very Good, Very Low Noise And Ac Ripple, The Output Signal Voltage Greater Than 1V Or More, To Promote The Post-Amplifier Signal Value Is Very Strong. 8. Output Volume Can Be Fine-Tuning Range: 0 ~ 100%, On-Board Only Fine-Tuning Potentiometer, The Conventional Volume Can Be Directly Adjusted By The Source Control. Package Included: 2X Mini Lm386 Amplifier Board