Electronic Spices COMBO of PAM8403 with Bluetooth Stereo Audio Receiver and Electronic Components Electronic Hobby Kit

With this device you can make any speaker including your car home or even your computer speakers wireless. It will enable you to play Music directly from your phone to your speakers with sound through your phone's Bluetooth. You do not have to throw away your old speakers just invest in this adapter and your old speakers will be bluetooth compatible. NOTE: That this device is powered by usb. You can put this device directly into a usb wall socket for it to work or any other USB port. Features: Lets ordinary speakers instantly become wireless Bluetooth stereo audio music speakers Can be paired to any bluetooth enabled devices, such as mobile phone, laptops, speaker and Bluetooth audio transmitter. Features: 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 module has a short-channel output egative can not be connected together, otherwise it will burn IC, and should be connected before the horn (load). Rated working voltage 2.5 ~ 5V, the limit working voltage 5.5V