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Fantastic Discount DIY fever LM3886 subwoofer amplifier board 2.1 channel 68W * 2 + 120W with protection
|45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller.|
Guarantees: On-time Delivery 60 days
[Details]2013 The latest three-channel LM3886 2.1 subwoofer amplifier board about using the coupling method channels and classic Wu Gang circuit
All components of this product are original authentic, pure unpretentious, quality; the use of high-quality original parts, not only quality and safety are guaranteed, long service life, more importantly, that the actual performance can meet the design goal of a strong guarantee. Pursuit of the best quality is the consistent aim of our restaurant.
n New original LM3886 and NE5532.
n Front input capacitance and inter-stage coupling capacitor uses advanced WIMA capacitors 1.8UF, electrolytic capacitor signal of the main circuit using the advanced Nikon 4700UX6, Rectifier 25A and above the use of flat bridge, ensure strong support for a steady stream of power.
n Resistance selection Rings metal resistance, the main circuit employs a precision of ± 1% metal film resistors rings, ensure the machine a good signal to noise ratio.
n PCB 1.6mm thick sheet using double-sided, 2.0 oz copper thickness, HASL whole process to ensure that the size of the current through the good performance. PCB-class quality.
n Negative feedback tuning pre-tuning of the design, can reduce crossover distortion, a better sense of hearing.
n Selection gilt hole IC Block, not a general IC Block, more durable!
The entire circuit board trace layout are very strict and reasonable, the overall PCB traces using a little grounding. The amplifier board is stable and reliable, high output power; beautiful mellow sound, open sound field. Dimensional sense of strong, low-frequency steady solid and strong, very good signal to noise ratio, wide dynamic range; details clear, excellent transient response, play a variety of music all rise to the occasion, at home playback environment has a very good performance.
PCBSize:236 * 98MM
Supply voltage:AC double20V-28V, Proposed two 26V / 250 Watts or more
Output Power: 68W * 2(Left and right)+ 120W
Potentiometer center spacing : 25MM
From left to right potentiometer: Bass frequencies, the bass and overall volume of the left and right, left and right channel bass, treble left and right channels, the total volume
1 , Our commitment to the sale of goods 100% integrity assurance,if you have any question for the products ,please contact us directly,
our basically 24-hour online customer service will patiently answer you!
2, If you are not satisfied with our products , you can request a refund or exchange. We will actively coordinate and process your request. If the product doesn’t work , we will full refund. But require the buyer to return the product by advanced freight, we will refund the freight you pay after getting and confirming the product status.
On the sign :
Please carry out inspection before you sign to check the number of parts shortages or discrepancies , etc. ; If so, please contact us at the contact details on the express orders .
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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.
BigBoz.Biz Extreme Deals Hardware Appliances Big Box Consumer Electronics details (Nota Bene) 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.
If 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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