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Bluetooth power amplifier board car stereo speaker audio and video smart home power amplifier board KRC-12ST-7377BTB

100 % of buyers enjoyed this product!
In stock
Sale Price: US $23.88
45 days Money back
45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller.
On-time Delivery
On-time Delivery
Guarantees: On-time Delivery 60 days


New combination is more favorable

This is a single power supply TDA7377 power amplifier boardBedition, is a good welding finished power amplifier board, to buy the A version of the2.0/ stereo, the use of +14.4V, the output power of 30W+30W, recommended the use of +15V power supply, peak power of up to 35W+35W,Can be connected to the two 4-8 EU 10-50W speakers, small size, high volume, high signal-to-noise ratio, suitable for installation of any space, a wide range of applications, the following is the wiring diagram, please carefully control wiring.

All my friends:We use the materials are genuine, but because of the different parts of the purchase batch, may PCB or part of the device a slight deviation, but the overall quality will not be any change, please rest assured that the purchase, mind who carefully shot. In order to cooperate with the use of different users, we will power, audio input were designed two kinds of interfaces, divided into A version and B version, please consider carefully, and please note!

This plate has the advantages that:Boot without current impact sound, high fidelity no static noise! Super good quality — soft, transparent, delicate treble, no harsh; strong, full, strong bass, and freely. The board design comes with a Bluetooth interface, can be directly connected with the Bluetooth module, such as the need to buy a series of Bluetooth amplifier board, please.

All the board power:After the test, do not use the battery or 12V4A power switch over our 15V4A a little noise, up to the maximum volume will not have the feeling of distortion, if you use the power supply, because of the linear power is not good, or not, may affect the sound quality. Recommended to buy the store 15V/4A power adapter, such as the need to buy please

The volume:50x50x28mm (long x wide x high, no potentiometer handle), the ultra small volume for any space.
*VoltageDC 8-18V, recommended DC voltage 15V, current 3.5A above
*Output impedance:4-8 Europe

The materialsPower amplifier usingThe original TDA7377 four channel amplifier chip, terminal uses environment-friendly copper material, the filter capacitor for the original Huang card 25V/1000uf capacitor, dustproof potentiometer for high-quality 50K potentiometer, using PHILPS CBB capacitive coupling capacitor.Good baby must be good

*AuditionWe use this board to push 100W landing big speakers, do not feel the feeling of having a hard feeling, push 30-50W box, the volume is still no distortion to the maximum distortion of the feeling, this section of the power amplifier is really very good.

*According to the wiring diagram of the labeled access power, the introduction of the audio signal, pick up the horn, a cigarette time you will be able to enjoy the wonderful music, indeed for the DIY power amplifier weapon.

*A terminal available screwdriver or direct plug wire port on the circuit board, you can quickly wiring without the use of electric iron, even if there is no basis for the buyers, see wiring diagram is also very easy to use, the original DIY power amplifier can be so simple.

*It is said that: there are a variety of products have adopted this amplifier IC, the power amplifier board DIY DIY computer speakers, the effect super good quality super good.

*The power amplifier circuit design is reasonable, after a rigorous test to be listed, boot without annoying sound, no static noise, ear close to the speaker can not hear any noise, really great!

*The price of the power amplifier board is not with the knob, but in order to return the buyer to our trust, the knob do not have the money,Send! Send! Send!(gold, silver, black three color option, please note that when the film is not the default to send black

*The price of this power amplifier board is so affordable, but our chairman said, we must allow our buyers to buy back will be able to use our products, we are dedicated to the special customized special radiator.

* Our shop has just started, you need to be the strong support of the buyers, the former100A buyer, we willFree giftOur special purpose radiator. Opportunity is not every day, need a friend, hurry to action!

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Shipping Company Shipping Cost Estimated Delivery Time
DHL 3 - 7 days
UPS Expedited 3 - 7 days
EMS 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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Price:  US $23.88 / piece