ZK-152H Mini bluetooth 5.0 Wireless Audio Digital Power Amplifier Stereo Board 15Wx2 Amp Amplificador
Product Name | 2*15W Bluetooth 5.0 digital power amplifier module |
Product model | ZK-152H |
Chip model | TPA3110D2(with AM interference suppression) |
Audio input | Bluetooth+AUX |
Power Supply | 9-24V (The power amplifier chip above 20V needs heat sink) |
Adapter speaker | 5-30W, 4-16Ω |
Channels | 2.0 dual channel(stereo) |
Bluetooth version | 5.0(>15 meters without occlusion) |
Bluetooth name | BT-WUZHI |
Protection mechanism | Input anti reverse connection protection; output overheating, DC protection |
Product size | 55x34x14mm |
Product weight | about 31 g(Bare board package+shell package) |
Tip: To have enough output power if the audio input is sufficient and the supply voltage/current is sufficient. The power supply voltage is higher and the relative power will be larger. The speakers with different impedances will have different output power. In the case of sufficient voltage and current, the larger the ohms of the horn, the smaller the relative sound power. Please pay attention! | |
Output power (@1KHz) | 16W*2@12V 4Ω |
10W*2@12V 8Ω | |
15W*2@16V 8Ω | |
20W*2@20V 8Ω (The power amplifier chip above 20V needs heat sink) |
Q&A:
1. How to choose a power supply?
The power supply for the board is crucial. The power supply requires small output ripple and sufficient current. It is recommended to use 12V / 19V power supply with current above 2A. If you only have 9V / 1A power supply, you can use it, but the power is small, you can only bring a small horn.
2. How to choose a speaker?
Generally, the selected impedance of the horn is 4-8 ohm, and the selected power is 5-30w. Improper selection of impedance and power will affect the sound quality.
3. How to select Bluetooth or aux audio input mode?
This power amplifier board mode selection follows the principle of hardware priority. If the aux headset cable is not plugged in, it is Bluetooth mode. Bluetooth is called BT-WUZHI, and can be connected with mobile phones and other devices. If the aux headphone cable is inserted, it is aux input mode, and Bluetooth is turned off.
4. When the sound becomes louder, the phenomenon of turbid sound appears.
The sound is distorted. Please change the adapter power supply with a higher voltage rating.
5. After the sound becomes louder, the sound is stuck.
The input power is insufficient, and the power supply itself is intermittently powered off. Please replace the power supply with a larger power.Or the output power is too large, the power amplifier board is seriously heated, and thermal protection occurs, reducing power usage or enhancing heat dissipation.
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- Description
1 x 2*15W Bluetooth 5.0 digital power amplifier module
Package includes:1 x 2*15W Bluetooth 5.0 digital power amplifier module
- Reviews (29)
- All(29)
- Q & A
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: Where is the origin of Elecbee products? Are they certificated?2023-03-03
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Answer:
Elecbee has long-term cooperation agreements with the OEM factories in China. So that we are able to reduce the intermediate channel cost, and help you save money. Our products are all made strictly according to the relative global standard, to ensure the products have good compatibility and excellent quality.
2023-03-03
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: What forms of payment do you accept?2023-03-03
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Answer:
Our main payment methods include Paypal, Credit Cards, Debit Cards, Bank Transfer, and more to discover. Please choose the payment methods in your favor.
2023-03-03
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: When will you arrange shipment?2023-03-03
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Answer:
After confirming receipt of your payment. We will arrange the delivery as soon as possible and upload the courier number to the website for you to track.
2023-03-03
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: How to exchange or return?2023-03-03
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Answer:
1. You can apply to return within 30 days after receipt of the goods. Please make sure the outside package is intact, and the product is in its original condition. We will arrange your refund according to the relevant provisions once the package is received.
2. Return process: You Apply for a Return - Approve the Return - Arrange a Return - Receive the Products and make Inspection - We arrange a Refund;
3. We will bear the freight charges for returns caused by us, for instance, the quality problem. As to returns caused by the buyer, the buyer should be responsible for the shipping fee.
2023-03-03
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