All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
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.
Operating voltage: 3V-12V (voltage below 4V will significantly reduce the sound, the maximum can not exceed 15V); Operating current: 1mA (static) to 150mA (max);
Output speaker impedance: 4Ω-32Ω (impedance high-sound, high efficiency); 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);
Output power: 750mW (max); Output volume can be fine-tuning range: 0 ~ 100% adjustable; PCB Size: 22x13x8mm/0.87x0.51x0.31inch(LxWxH);
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.
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