TIANCOOLKEI LM3886 2.1 channel subwoofer amplifier Beyond ordinary sound

HomeAmplifierTIANCOOLKEI LM3886 ..

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Brand Name
Maximum Power Per Channel
Model Number
LM3886 2.1
2 (2.0)
Home Amplifier

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Adopted the NS company (national semiconductor) introduced a new type of high fidelity audio power amplifier IC LM3886TF power amplification, using op-amp NE5532 enlarge or AD827 front linear amplification and tone. Its characteristics are: the output power (continuous output power 68 w), small distortion (total distortion and noise < 0.03%), protection, including over-voltage protection, overheating protection, current limit, temperature limits, switching power supply when the speaker impact protection, mute function) is complete, the less peripheral components, production debugging easy, stable and reliable work. Due to use power amplification circuit is simple, applicable characteristics, particularly suited to burn friends and electronic enthusiasts.

Product Details:    
***Using four new original LM3886 chip, providing 180WX1 68WX2 strong output, far more than digital amplifier 200W
***With double the Japanese famous brand protection circuit, let speakers work in a state of safety, no impact on the switch machine also
***Using op-amp low electricity road, op-amp can be replaced, low-pass cutoff frequency is adjustable, very professional
***High-power oxygen free copper ring transformer power supply, the NOVER capacitor filter

Output Power: 68WX2
bASS : 120WX1


1,Do not use cheap audio signal cables, these cables are without shieldiing,                                                           
   they will lead in high frequency noises.

2,The bigger the rotation, the larger the noises



Package: 1 PCS LM3886 2.1 power amplifier 


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Contact us:

* If you have any request please don't hesitate to contact us at first time,we will help you and solve your issue within 24 hours.

* All emails will be answered within 1 business day. If you do not receive our reply, please kindly re-sent your email and we will reply you as soon as possible.

* Warranty services are for replacements only,any problem please kindly email us frist,we will accept your advise & request.



1. We can accept T/T ,Escrow and Western Union and Money Order,the best way is direct online payment,you can choose yourself. If you want other payment terms please let us konw before when you order.

If you have bought multiple items from me, you can send me one payment for all the items instead of paying for them individually. When you click the Pay Now button, the system will automatically determine if there are other items you have purchased from us and will combine them for your review.

2. Full payment must be made within 7 days after placing your order, or the order will be invalid or canceled by the system.

3. Make sure that you have completed all the detailed information like contact person,address,post code and telephone number when filling in your buyer  information.



1. If the payment is not available, your order will be closed automatically.

2.  Seller are responsible for any insurance ,problems and damage which caused by shipping service such accidents, delays or other issues. Besides the buyer should to be responsible for any tax and/or duty charged by their country. And the goods will be Marked as "gift" or "sample" for your easy customs clearance and less charge. (if you want to declare the goods as other item name, or specify an value for custom, please inform us when making the order)

If you refuse to pay the tariff is equal to discard the order goods. The resulting dispute funds not refundable


1. All the goods are inspected before shipment. so if you are not satisfied with the purchase, you can exchange the items in one week and you must contact us within 24 hours of the receipt of your purchase.Please contact us before open dispute, we can refund you.

2. The shipping and handling charge is not refundable and customer should be responsible for all the charges of returning and reshipping.

3. All return items must be in its original conditions, including box and accessories. cause defects are not guaranteed, such as broken, scratched and so on ( No refund )
4. For any items,please send by EMS or your local post when send back.
1. Buyer's early confirmation will be highly appreciated after receiving the items.
2. Since your feedback is very important to our business's development, we sincerely invite you to leave positive feedback for us if you are satisfied with our product and service. It'll just take you 1 minute,but this 1 minute has the extremely vital significance to us.
3. Please contact us before leaving any negative or neutral feedback. We will work with you to solve any problems.Thank you for your understanding!






Shipping CompanyShipping CostEstimated Delivery Time
DHL3 - 7 days
UPS Expedited3 - 7 days
EMS5 - 14 days
Post Air MailFree Shipping15 - 45 days
Return PolicyIf the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller ServiceOn-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).