2.1 Channel 50Wx2+75W Stereo Audio Amplifier Module for Speakers DC 10V-25V 12V 15V 19V 24V High Power TPA3116 DIY HiFi Digital

Description:
1. This 2.1 amplifier input voltage range is DC10V-25V, can be powered by 12V, 15V, 19V, or 24V DC power supply; recommend output load is 4-8 ohms; frequency response range is 14-100KHz.
2. Output Power: it depends on the dc power supply and load, when the input voltage is dc 12V, load is 8ohm, left and right channels output power is 10W, super bass channel output power is 10W. Details please check the data sheet on description.
3. TPA3116 Chip: the stereo audio amp adopts two high performance TPA3116 chips, with power on delay function, anti-shock circuit for power on and off.
4. Knob Control: our digital amplifier board is designed with 3 volume control knob, one for super bass volume, one for left and right channel volum, the other one is for total volume.
5. Note: it is recommended the power supply with adequate power, otherwise, it can not play the power of amplifier and the speakers. Please use this amplifier board with the suitable speakers and boxes to make sure the good sound.

Parameters:
Voltage range: DC10-25V
Output load: 4-8 ohms(recommend)
Frequency response range:14-100KHz
SNR(Signal to Noise Ratio): no low 100DB
Switch frequency: 1.2MHz
Channel Quantity: 1 x DBB, 1 x left channel, 1 x right channel
Output power:
1. Voltage is 12V, when the load is 8ohm, left and right channels output power is 10W, subwoofer channel is 10W.
2. Voltage is 24V when the load is 4ohm, left and right channels output power is more than 50W, subwoofer channel is more than 75W.

Notes:
1. The power supply interface has the reverse protective unit. If you have a reverse connection, it wouldn't be burned but doesn't work.
2. We recommend the power supply with adequate power, otherwise, it cannot play the power of amplifier and the speakers. Please use this amplifier board with the suitable speakers and boxes to make sure the good sound.
3. Each speaker strictly follows the wiring diagram to connect, if the speakers connect wrong, it will severely degrade sound efficiency.
4. This amplifier has passed the strict test, so the fever is normal during working.
5. The current range of 5V external power supply interface is within 100mA, please do not exceed it.
6. The judgment method of digital noise floor: short-circuit the input, test and listen to the output. If it has noise after connecting PC or smartphone, then the problem caused by the devices, and it just shows the amplifier is sensitive.
 
Package Includes:
1 x 2.1 Amplifier Board

Packing Condition:
All goods are packed in bags or small boxes, then put into safety export standard carton box, well packed with Bubble.

Shipping Ways:
By express, air shipping or sea shipping methold.

Shipping Freight Saving Methold:

There are many different items in our stock, customers can by the insterested products in the list of one order, we will combine the products in one shipment, to save the shipping cost.

Buy more, save more!

Shipping Time:

1. We will arrange shipemnt in 1 to 5 working days after the payment confirmed.

2. Shipment will by DHL/Fedex/UPS/TNT/EMS/Aramex/SF-express etc. Please confirm the shipping methold when placing new order. 

3. After shipping, we will send the tracking number immediately for tracking the shipment.

Eshinede Technology is a manufacturer and wholesaler located in Shenzhen city, China.
Manufacturing digital voltmeter & ammeter, dc-dc converters, car chargers and other electronics.
There is no minimum order restriction, you can buy products in any order quantity - even 1 piece samples - from a wide selection of the latest released products.
You can pay by TT transfer, Western Union and credit card through Paypal, which offers total buyer protection;
Dropshippers can send single items directly from Eshinede to their customers.
All the products you buy from Eshinede are covered by a 12 month guarantee, and are carefully inspected for quality before packing- which is one additional level of QA over and above what is done in the factory;
You're supported by friendly English speaking staff before and after placing an order, and you can get full product information and support even before purchasing;
Your goods are packed carefully, and the packages are correctly labelled and accompanied by all the paperwork that's needed for smooth clearance through your country's Customs.
Goods are shipped to worldwide by air freight and couriers such as DHL/Fedex/UPS/TNT/EMS.

Eshinede Technology - 8 Years expertise on manufacturing digital voltmeter & ammeter, dc-dc converters, car chargers and other electronics for cars, motorcycles, electric bikes, phones, computers and other electronic equipments.
1. Offer different kinds of electronic products to meet customer's requirements.
2. Provide OEM & ODM service, and protect customer's private design and technic information.
3. Produce high quality products. 
4. Lifetime after-sale service, 100% free warranty.
5. Accept convenient payment methods: customers can make payment by alibaba trade assurance, Paypal, Credit Card, Bank Wire Transfer, Western Union, etc.
6. Speedy shipment: arrange the shipment within 1 to 5 working days.

1. Why choose Eshinede?
High Service Quality: OEM & ODM service; Reply in 24 hours; All of our products are up to the international quality standards and have 8 years experience in overseas export.
High Product Quality: Our well equipment and strict function testing in the productive process guarantee the excellent quality of each product.
Professional Manufacturer: Eshinede corporation is specialized in manufacturing digital voltmeter & ammeter, dc-dc converters, car chargers and some other electronics.

2. Could I order one piece for sample to test the quality?
Yes, We recommend checking the sample before order. You could order the sample before your order.

3. May I have your catalogue and price list for trial order in MOQ quantity?
All our products were shown on alibaba, please have a detailed looking and choose the interested models in our site.

4. If I order big quantity, what's the good price?
Please send the details enquiry to us, such as the item number, quantity for each item, quality request, Logo, payment terms, transport method, discharge place etc. We will make the accurate quotation to you as soon as possible.

5. What are my payment options?
For samples and small acount, it is 100% in advance.
For mass production, it is 30% in advance and 70% balance.
Welcome West Union, TT. bank account and Paypal.

6. How long will it take to ship my order?
As long as there is stock available, Eshinede usually ships items in 1 to 3 working days for samples and within 5 to 7 days for customized order once receiving the confirmation of a new order. The order will not be confirmed until the payment reaches Eshinede’S bank account. If we aretemporarily out of stock, we will do our best to inform you of the estimated lead time.

7. What does your warranty cover?
Eshinede’s product is backed by a 1-year limited warranty against manufacturing defects (material or workmanship). Missing/lost or worn out parts are not covered under our warranty.