-AB32291_Ver1.0_Page ii
Note:
Please read this manual carefully before you use the product. To keep the product in a best working
condition and having a long service time, please operate it according to the relevant steps. The warranty
lapses if the product is damaged because of incorrect use and your negligence.
Please read this manual carefully before you use the product and check if the product is a good one.
DC±60V is recommended to be used to power the product for one hour. Please make sure there’s space for
heat dissipation since this product outputs high power and don’t touch the heat sink with your hand. Never
use this product in an extreme condition.
Warning: Never immerse the product in the rain or any other humid environment to prevent the fire or
electric shock.
Safety Precautions:
1. In order to achieve a better sound quality, please use stable power supply since a bad or unstable power
supply may worsen the sound quality or even cripple the amplifier board.
2. Avoid metal objects. Protect this product well and move away metal objects from this product.
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