DIY Kits NE5532 HIFI OP-AMP Amplifier Volume Tone EQ Control Board Preamplifier

Description

DIY Kits NE5532 HIFI OP-AMP Amplifier Volume Tone EQ Control Board Preamplifier
Description:
High quality filter power supply. The four pins of rectifier respectively in parallel connect with decoupling capacitor, which can effectively eliminate the high frequency interference of AC power grid. Two 2200UF25V electrolytic capacitor filter the negative power supply, then stabilize voltage with 7815 and 7915 double DC power supply. Now the clutter interference of power grid is very small and the voltage is quite stable. So the item has better performance.The chip has high conversion rate and strong drive ability. The frequency band is wide and noise is very small.
Features:
Power supply circuit adopts full bridge rectifier.
Effectively eliminate the high frequency interference of AC power grid.
Chip has high conversion rate and strong drive ability.
Better performance,noise is very small.
Can not use 12 V battery or DC directly as power supply.
Specifications:
Working Voltage: AC double 15 V (10 W)
Audio Input: RCA sockets
Audio Output: 3P terminal
Input Voltage: 3P terminal
Size: 110 mm x 54 mm x 22 mm
Note:
The amplifier board can not use 12 V battery or DC directly as power supply.Power supply should be positive and negative double DC power sources, or special AC 12 V transformer power supply.
This item need a power amplifier to drive speaker.
Please allow 1-3 mm error due to manual measurement. Thanks for your understanding.
Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.
Package includes:
1PCS  NE5532 Pre-amplifier Board DIY Set NEW
Why buy from us
Payment
Shipping
Refund
Why buy from us
We offer quality products at a reasonable price.
We provide Fast and Free Shipping for our products.
Our customer service is available to you before, during and after the sale.
Payment
We only accept payment through Paypal.
Items will go to post within 1-2 business days after payment confirmed.
Shipping
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2. We only ship to confirmed PAYPAL address; your PAYPAL address must match your Shipping address.
3. Any non-received items caused by invalid address registered on PayPal are not in our full refund or replacement policy. Shipping fee has including the local handing and packaging fee.
4. All the items will be shipping within 1-2 working days after receiving the payment, except some holidays.
5. We will not be responsible for any custom delay or tax, because transit time is highly depended and provided by postal Service.
6. If you have any problem, please contact us via message, we will reply message within 1-2 working days, please wait for patient.
Refund
If you can't receive the product within 2 months (60 days), please contact with us,we promise to payback 100% of your money.
We ensure our products work normally before post.If the products is broken before arrival to you,all you should do is taking a photo to show us our broken product.We promise to payback 100% of your money.
If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please contact us and double check the return address before you return it.
If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.