1, check the input audio signal to see if it is plugged in.
2. There is something wrong with the audio cable. Try another cable.
3. There is something wrong with the power amplifier integrated circuit.
4. Check the speaker cable.
trait
1, compact size, easy to carry, cool appearance, trendy fashion, personalized color matching, fresh and natural. The largest is no more than a football, and the smallest is as big as an egg.
2. It integrates power amplifier, battery and dual speakers, and pioneered the patented technology of "cavity expansion and expansion", which solved the problem of narrow cavity of mini-speakers, broke the external specifications of speakers for decades and compressed to the limit.
3. You don't need a long audio cable, and you don't need an external power supply. No matter the fresh rhythm like mountains and rivers or the passionate DJ dance music, you can show it incisively and vividly.