Philippines

⛅Welcome to our store, we will provide you with the most satisfactory service! We provide you with high quality headphones, data cables, chargers, mobile phone accessories, Bluetooth speakers, smart bracelets and various electronic modules
Decription: 
Speaker Power :2-8W
Application:LCD TVs, monitors,Laptop,Portable Speakers,DVD players, Game consoles,Phone / speakerphone
Speaker With:4-8ohms  recommended:4 ohms
Net weight:1g
Color:As the pics show
Operating voltage: 2.5V-5.5V
Package include:1 x amplifier board
Size:21 x 18 x 3.4mm(L x W x H)
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 4Ω 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
module has a short-circuit current protection and over-temperature protection 
Included: