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![](https://ae01.alicdn.com/kf/S806938c32e004829b84ed601a7126f3dI/UPC1237-Speaker-Protection-Board-AC10V-18V-DC12-24V-High-Power-Relay-Protection-Board-For-1875-LM3886.jpg) ![](https://ae01.alicdn.com/kf/Sd7bf89ac55134d8bb842b8320b716fe2a/UPC1237-Speaker-Protection-Board-AC10V-18V-DC12-24V-High-Power-Relay-Protection-Board-For-1875-LM3886.jpg) ![](https://ae01.alicdn.com/kf/S05ad079f4b3540238445e3074340c41eH/UPC1237-Speaker-Protection-Board-AC10V-18V-DC12-24V-High-Power-Relay-Protection-Board-For-1875-LM3886.jpg) ![](https://ae01.alicdn.com/kf/S04d741977f034c3a90b1ebce14694532Q/UPC1237-Speaker-Protection-Board-AC10V-18V-DC12-24V-High-Power-Relay-Protection-Board-For-1875-LM3886.jpg) aHR0cDovL2ZyZWVzaGlwLmNvLmty![](https://ae01.alicdn.com/kf/S806938c32e004829b84ed601a7126f3dI/UPC1237-Speaker-Protection-Board-AC10V-18V-DC12-24V-High-Power-Relay-Protection-Board-For-1875-LM3886.jpg) ![](https://ae01.alicdn.com/kf/Sd7bf89ac55134d8bb842b8320b716fe2a/UPC1237-Speaker-Protection-Board-AC10V-18V-DC12-24V-High-Power-Relay-Protection-Board-For-1875-LM3886.jpg) ![](https://ae01.alicdn.com/kf/S05ad079f4b3540238445e3074340c41eH/UPC1237-Speaker-Protection-Board-AC10V-18V-DC12-24V-High-Power-Relay-Protection-Board-For-1875-LM3886.jpg) ![](https://ae01.alicdn.com/kf/S04d741977f034c3a90b1ebce14694532Q/UPC1237-Speaker-Protection-Board-AC10V-18V-DC12-24V-High-Power-Relay-Protection-Board-For-1875-LM3886.jpg) ![](https://ae01.alicdn.com/kf/S2e842448b8594e308ed85262d6d5dc62c/UPC1237-Speaker-Protection-Board-AC10V-18V-DC12-24V-High-Power-Relay-Protection-Board-For-1875-LM3886.jpg)
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- ±Ù¿ø: CN (Á¤Ç°)
- Áõ¸í¼: NONE
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1. The speaker protection board is designed and manufactured with UPC1237 special chip, with functions such as boot delay, DC protection, instant shutdown, etc., to protect your expensive speakers in an all-round way 2. The plate is made of 1.6MM high-quality FR-4 plate with thickened copper foil and sprayed with tin, and the size is 65 x 50mm. 3. The relay is for Songle high-quality 10A, and the resistors are all five-ring gold film copper foot resistors. And with a red power indicator light, the relay is pulled in for about 3 seconds after booting, indicating that the green light is on, and the work indicator function 4. The voltage of this protection board is AC 10V-18V and DC 12-24V for a single power supply. You can take a set of electricity from the power amplifier board. 5. Use independent windings or separate power supply as much as possible.
Function: 1. Power-on mute delay, shutdown quick-break. 2. Power amplifier mid-point potential protection, mid-point DC starting control pointgreater than 0.7V 3. This protection board can be used with 1875 power amplifier board, and can also be used with LM3886, TDA7294, TDA7293, etc. 4. All finished boards are debugged and tested with power on Specification: Product name: UPC1237 speaker horn protection board Model: UPC1237 Contact load: greater than 0.7V Contact switching current: 12-24V Contact switching voltage: 10V-18V Contact form: 0 Rated current: greater than 0.7V Rated voltage: 10V-18V Protection features: shutdown and quick shutdown PCB size: 65 x 50 x 1.6mm (thickness) Finished board size: 65 x 50 x 30mm (height) color:Blue Material:PCB+Metal
Package Contents: 1 x UPC1237 speaker horn protection 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.
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About tracking number update:
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If your tracking number is no logistics information, as thousands of parcels sent to foreign countries, logistics companies did not update logistics information, please contact us the first time, Please kindly do not directly open the dispute. We are the first time for you to solve!
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Time of shipment:
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All of product we can shipping out within 5~8 weekday, on usually we are according to customer orders time for packing and shipment, we need to carefully check the quality of the goods before to Ship, So take some time to handled.
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Time of delivery:
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Due to force majeure factors: hurricanes, rainstorms affect flights. Leading to logistics delays. We are honest sellers, will not let you suffer any loss. Please give the logistics company a little processing time, we wait for the package to reach your side.
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If your logistics information arrives at the local post office:
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If the local post office does hasn`t contact you, please contact your local post office as soon as possible to get your package. Otherwise, overtime receipt of parcels, the local post office will return your parcel, the consequences of self-responsibility.
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Protection time is running out:
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When we have finished time of shipment, if the product protection period running out, please extend the product protection period by yourself or contact us, Please kindly don`t open the dispute directly.
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When you receive the goods, if there are any problem, please contact us and do not directly open the dispute. We promise we will give you a satisfied solution after we confirmed it. We also will give you a positive evaluation.
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We sincerely invite you to leave us a positive feedback with an overall Detailed Selling Rating (DSR) of 5 Stars. When you show your nice picture on our feedback area please sent message tell us, the next order contact me, will be additional surprises.
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Q: How can track my parcel?
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A: You can track your parcel on the following website using your tracking number: www.17track.net/en (Copied to the browser to open)
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Q: As a retail or wholesale to offer wholesale price if i lots of items?
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A: if you need to buy plenty of items at the same times, please contact me first. i will offer you the competitive wholesale price .
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Q: How Can i pay my order?
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A: ÇØ¿Ü supports Visa, MasterCard, Maestre Debit Card, Western Union, and wire transfer via bank.
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If items damaged,we must be contacted within 24 hours of receipt.
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If the item is in your possession more than 7 days, it is considered used and we will not issue you a refund or replacement.
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If you are not satisfied when you receive the item (incorrect, damaged, defective, or item not as described), please return it within 7 days for a replacement or money back.
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For any personal reasons (choose a dislike or i needn`t this product anymore),Return shipping charger will be the buyer`s responsibility. We will not accept any items with odors(perfume.smoke,ect.)
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All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your order ID.
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