1.Built-in polarity protection circuit, please exact connection
2.we recommend sufficient power supply (at least12v10a 24V5A ), Electric Current bigger the better, if use battery, the capacity is very important
3.Recommend speaker 4Ohm 100W 8Ohm 80W or better suitable speaker box is equally important, should not be forgotten
4.Protection features: overvoltage, overheating, DC short circuit
5.150W high-power dual-channel power amplifier board, current DC12V 24V
1 x Amplifier board
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.