amp preamplifier amplifier board effectively volume control di | Shop The World
From USA
Newciciglow
AMP Preamplifier Amplifier Board Effectively Volume Control DIY Set Kits
ℹ
Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•Power supply circuit adopts full bridge rectifier
•Better performance,noise is very small
•Effectively eliminate the interference of AC power grid
•Chip has high conversion rate and strong drive ability
•Can not use 12 V battery or DC directly as power supply
