3pcs HF69B 6W+6W Dual Channel Stereo bluetooth Speaker Amplifier Board Power By DC 5V Or 3.7V Lithium Battery With Power Charging Management
- Stock: In Stock
- Model: EB0048496
- SKU: EB0048496
Product model: HF69B
bluetooth power amplifier board: Small standby heating, good-quality stereo, suitable for small bluetooth speakers.
Output power: 6W + 6W
Dimensions: 70 x 40mm
Stereo: Dual channel stereo
Applicable speaker impedance: 6 ohms, 8 ohms (if the horn impedance is too small, there will be a phenomenon of amplify volume then staccato, it will be easy to burn the speaker.)
Supply voltage: 5V DC or 3.7V lithium battery (during using, if the connector cable is too long or the battery is dead or the voltage is too low, the volume will be slightly up then staccato)
Supply current: >1A (if the current is too small, turn up the volume, it will appear staccato phenomenon)
Charging interface: When charging interface is powered by the lithium battery, the supply voltage is 5V. And mobile phone charger can charge a single lithium battery (the maximum limitation voltage for battery is 4.2VDC by the charging management circuit).
Battery interface model: 2.54 2P
Note:
1. When the switch is ON, the Micro USB port is the charging port, it will work if powered by the lithium battery. When the switch is OFF, the Micro USB port is the power supply port, it doesn’t need to connect with lithium battery.
2. If turn up the volume during using, the horn will appear staccato phenomenon, please check the power supply. If the output current of power supply is not enough, the intermittent sound will occur.
3. It is recommended to use the lithium battery with a protection board.
Package included:
3 x HF69B bluetooth amplifier board
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Shipping Time
After you successfully placed an order at RenhotecIC.com, you will receive a confirmation email with your invoice. Once your order is shipped, you will be emailed with the tracking information of your package. Also, you can choose your preferred shipping method during the checkout process. Kindly advise: please select DHL/FedEx if you need our product urgently.
The timeline of the whole shipping process is shown below:
The total delivery time is calculated from the time your order is successfully placed to the time received. Total delivery time is broken down into processing time and shipping time.
Processing time: The time it takes to prepare your item(s), includes preparing your items, performing quality inspections, and packaging for shipment. Normally, the processing time is 1-3 days (Only include Monday to Saturday ) after getting your order.
Shipping time: The time for your item(s) to travel from our warehouse to your destination. The shipping time depends on the shipping method you chose. Please refer to the shipping rate section for details.
Shipping Rates
You could choose the shipping method based on your preference during checkout, different shipping methods will apply different rates and shipping times. Please check the following chart for detail:
You could choose the shipping method based on your preference during checkout, different shipping methods will apply different rates and shipping times. Please check the following chart for detail:
| Shipping Method | Shipping Rates | Shipping Times |
| Flat Shipping (Promotion) | $10 | About 5-30 Working Days to Worldwide (Only include Monday to Saturday ) |
Standard Express（0.5KG starting price listed） | Based On Weights | About 5-15 Working Days to Worldwide (Only include Monday to Saturday ) |
Priority Express （0.5KG starting price listed） | Based On Weights | About 3-7 Working Days to Worldwide (Only include Monday to Saturday ) |
In addition, the transit time depends on where you're located, the shipping method you choose, and where your package comes from. We will keep you informed of any problems here to help you get your order as soon as possible.
If you want to know more information, please contact the customer service by contact form or sales@renhotecic.com. We will settle your problem as soon as possible. Enjoy shopping!
