Bảng mạch khuếch đại âm thanh bluetooth CT14 5.0 5W 5VF sạc USB DIY

Giới thiệu Bảng mạch khuếch đại âm thanh bluetooth CT14 5.0 5W 5VF sạc USB DIY

#Mini #CT14 #5.0 #Bluetooth-compatible #Stereo #Amplifier #Board #Module #Dual #5W #Power #5VF #Class #USB #Charging
Mini CT14 5.0 Bluetooth-compatible Stereo Amplifier Board Module Dual 5W Power 5VF Class USB Charging DIY Speaker
100% brand new and high quality
Features:
5.0 version is compatible with all mobile phones and Bluetooth-compatible adapters on the market.
15m open transmission distance, it works with long distance connection.
It supports automatic connection to already paired devices and automatically plays music.
5W + 5W power amplifier, high power output, high fidelity and stereo sound quality.
It supports USB sound card, no drive, plug and play.
Good sound quality, suitable for upgrading and refitting the idle sound box and DIY production.
Specification:

Material: Fiber glass board + Electronic component
Working voltage: DC3.7-5V
Size: app.40 x 20 x 12mm/1.57 x 0.79 x 0.47in
Color: As picture shown
Quantity: 1 Pc
Instructions:
1. Update Bluetooth-compatible version 5.0.
2. Support USB sound card, drive-free, plug and play (normal lithium battery power supply).
3. This product has its own Dual 5W power amplifier circuit. It shouldn't be connected with another amplifier to use! The output of the two amplifiers can not be parallel or negative together, or damage to the amplifier chip.
4. It can be connected with two 2-8ohm, 3-10W speakers, while 3ohm 5W and 4 ohm 10W speakers are recommended, with stereo output.
5. The maximum working current is 5V 2A, and the sound quality will be better by using 5V2A or above regulated power supply.
6. 3.7-5V lithium battery (Lithium batteries need to be protected!) is recommended, and it comes with a USB charging port for lithium battery charging, also can be a power supply port or 5V adapter. The USB port can not be powered by dry batteries, rechargeable treasure, Multi-function transformer voltage, and the power supply with instable current!
7. When installing, the Bluetooth-compatible antenna should keep away from the metal parts, or it will affect the transmission distance.
Note:
No retail package.
Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
Package includes:
1 x Bluetooth-compatible Amplifier Board
3 x Wire