TDA7377 2.1ch Amplifier Single Power Computer Super Bass 2.1 Amplifier Board 3 Channel Sound Amplifier DIY Kit

Description:Operating voltage: AC 9-12V Or DC 12-18VCurrent: 1A(better than 2A)Please assemble it refer to the PCB mark.Impartant Notice:1. We recommend sufficient power supply, electric current the bigger the better. Suitable speakerbox is equally important, should not be forgotten.2. Please attention phase of each channel, otherwise potentially reducing efficiency.3. It is a traditional amplifier, it will heat at work, you can install a fan to cool down.4. DC out terminal is from the master power, have to be careful to use.5. How do you judge the sourse of hiss(noise): short circuit the signal input, then monitor the speaker output, if it have no noise, the amplifier is normal; in other word, if the board is connected to PC or mobilephone have some noise, then the noise were from the PC or mobilephone.Package included:1 x TDA7377 2.1ch Amplifier Kit