30W Bluetooth 5.0 Mono Subwoofer Amplifier Power Home Audio Apm Board AUX USB Sound Speakers Amplifiers DC 12-24V-DC AUX USB e

Power amplifier board power and power supply descrtion: The power supply of this power amplifier board requires 12-24V3A DC regulated switching power supply (please do not use battery and charger, transformer and AC switching power supply for testing) 12V3A (above) power supply. The maximum output power is 20W 8 ohms. 20W ba + 5W treble can be connected (full volume may be distorted) 24V3A power supply. The maximum output power can reach 30W8 ohms. 30W ba + 10W treble can be connected (4 ohm speakers may be protected) (full volume may also be protected) After the test is completed, the battery can be connected to the power supply after receiving the goods (the 24V battery is not allowed, because the battery may exceed 25V after being fully charged, and the on the board is 25V, there is a risk of explosion!) 24V batteries of large trus are not allowed. Because the charging voltage reaches 28-32V when the large tru is on fire, it will burn! Paage included: 1Pcs

About shping
Shping and Pa All it will be double cheed and well paed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the paage to the destination(for e areas,it may take a little longer). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedba, we will do our best to help you resoe the problem.TaxNo, you will only pay what is quoted as total cost at cheout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very ant to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbaYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedba for the transaction.