Operating voltage: DC12V-18V
Plug: outer ring: approx. 5.5mm/0.21''; inner ring: approx. 2.1mm/0.08''
Input polarity: external negative interior
PCB board size: approx. 83.1*45mm/3.27*1.77''
Sound quality: can play an incomparable sound quality
1. Attached circuit schematic and installation instructions, each independent packaging.
2. Power supply not included.
3. The selection of power supply should pay special attention to polarity, voltage, improper selection will burn IC.
Secondly, noise and waviness are the key to sound quality.
Please allow 1-3 cm differs due to manual measurement.
Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.
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|Shipping Company||Shipping Cost||Estimated Delivery Time|
|3 - 7 days|
|3 - 7 days|
|5 - 14 days|
|Post Air Mail||Free Shipping||15 - 45 days|
|Return Policy||If 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 Service||On-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).|
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