Digital Amplifier Board Volume Module for Game Boy GBC GBA

Feature: Power: Low Power size: 1.85 * 2.11 cm Customer common problems: 1, 2 * 3 w miniature digital power amplifier board class D power supply can use the computer? Answer: power amplifier board can use a computer power supply, but will produce noise may be produced (also some customers did not appear murmurs), the best advice of independent power supply. 2, miniature digital 2 * 3 w class D power amplifier boards with the speaker of the house is good? Answer: our speaker is only provide DIY players try, sound is not particularly good, if the pursuit of high sound client can buy separately. 3, 2 * 3 w miniature digital power amplifier board class D why there are noise after power on the speaker? The answer: 1, appear whistlers, should be the audio input line, the introduction of shielded wire should be used for audio input line, and then there is audio input line don't hung up to connect good audio source. 2, is a kind of reason may be that some power supply is bad interfe