- Super mini volume: 1.85 x 2.11 cm.Can be easily placed in a variety of digital products within a small space, high efficiency amplification
- Dual-channel stereo, 5V power supply can output 3W +3 W power, can be directly driven 4©, 8© small speakers, the output power, enough energy, good sound quality.
- Excellent noise suppression, no audio input in the case of ear close to the speaker can not hear any noise.
- The unique Class D digital powerless board with LC filter can be powered directly from the computer's USB.
- Double-panel wiring, properly solve the wiring caused by the potential balance and crosstalk between channels
Can use the computer USB port 5V power supply or using a mobile phone charger USB port 5V power supply
Battery power can also be used high efficiency:90% can provide 3W (left channel) +3 W (right channel) output power in the 4 load and 5V power supply conditions
A class, B class amplifier such efficiency is only about 30%D class amplifier is highly respected today
D class amplifier efficiency is extremely high, not because of temperature affect the sound quality but do not add heat sink and take less space noise canceling circuit was built in the amplifier board power on / off without pop noise
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