Tpa3116 Subwoofer Amplifier Board 2.1 Channel High Power Bluetooth 4.2 Audio Amplifier Board DC12V-24V

TPA3116 Subwoofer Amplifier Board 2.1 Channel High Power Bluetooth 4.2 Audio Amplifier Board DC12V-24V

Features
1. The power supply can be accessed from a DC outlet or a terminal block.
2. Audio can be from 3.5mm socket, or 3P socket audio input interface, such as: computer, MP3 player, etc.
3. Bass volume potentiometer, which can independently adjust the bass output volume.
4. Left and right channel volume potentiometer, can adjust the left and right channel output volume at the same time.
5. Treble adjustment potentiometer, adjustable left and right channel treble gain output.
6. Switch / total volume potentiometer, with switch can turn off the amplifier / can also adjust the bass and left and right channel output volume.
7. Total potentiometer with default switch

Product Details
Audio input sensitivity: 600-800mV
Frequency response range: 20Hz-20KHz
Speaker impedance: left and right channels: 4-8 ohms, bass channel: 2-8 ohms
Dimensions: 101 (W) x 100 (D) x (H) <30mm, excluding potentiometers and socket extensions
Operating voltage range: DC11-24V (current 3-4A, or 19-24V/4-5A, if the power requirement is higher than 20-24V/8-9A) such as using AC transformer power supply, it must be rectified and filtered a direct current DC power supply is available for use. Note that the DC no-load voltage should not be greater than 25.5V (this is very important)
Supports up to 50W (left channel) + 50W (right channel) + 100W (bass channel) for three channels.
Wide working voltage, energy-saving design, efficiency up to 90%.
You can use a good performance switching power supply, laptop switching power supply, you can also use a charging bottle, or car power supply, etc...

Item Packing
TPA3116 digital audio amplifier board x 1

Detailed Images
Why choose us?
 
Shipping Discount: With the well partnership of various shipping companies and forwarder including EMS, Fedex, TNT, UPS, DHL, you can save a lot buying from us.
 
Sourcing: Finding a new products from China to sell locally is easy, our purchasing centre located at the major wholesale market in China,  you can just send us the targeted product photography, we can source it for you within a speedy timeframe.
 
Direct Deal with factory: We are the direct agent of several famous Toy factories in china, offering you the wholesale price which you can not find locally.
 
Communication: You may communicate with our sale team via Skype/What's app/Wechat/QQ instantly to get the most updated price, information and shipping information for your order. Normally, our sale man is available within your local office hours. Certainly, you can also phone us to check any information you needed.
 
Combined Shipment: We provide you an ONE-STOP service you really needed when buying from China. From translation, quotation, quality check, shipment arrangement, shipping discount, and even combined shipment  packing. Don't  waste your time to deal with different factories and only get seperated shipment.
 
FAQ
Is there any minimum order required?
 
Our answer: No, we never force our customers to buy minimum order and there is NO MOQ in our company policy.
 
How can I enjoy the combined and discounted shipment?
 
Our answer: It is an automatic discount once you have joined our wholesale membership. Certainly, we welcome bargain!
 
I am your wholesale member, can i have a lower price for certain product?
 
Our answer: Why not? It is a good idea to email me before the order placement since the product price always changes, usually lower and lower.
 
How can I pay?
 
Our answer:  We accept  payment method: you can pay us with PAYPAL, Bank Transfer, Western Union
 
How can both of us co-operate?
 
Our answer:  We welcome wholesaler and drop shipper. For wholesaler, you can buy our product in bulk, enjoying shipping discount and faster delivery service to your customer locally. For drop shipper, the advantage is no stock keeping, just list your product on auction stie or show the category to the local buyers, get order and ask me to ship to your customer directly. The bad is slower delivery time compared to wholesaler and higher average cost per unit.
 
What is your Refund / Replacement policy?
 
Our answer: We offer 1 to 1 replacement, some thing, we would provide you spare part for free and you can repair the damaged (in case) items by yourself easily. The replacement normally will be delivered in next order (depends on items). We would issue refund when product returned to our office.
 
How can I contact your sale man for more detail?
 
Our answer: You can contact us via Skype:hellen_rcfans
for more detail and enquiry.
 
I think that your website product is not enough!
 
Our answer: We are trying our best to collect information as soon as many as cheap as possible,  but if you have any product want to source in China, please let me know. If you have any suggestion about the product range, please let me know too.