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Total cost Rs.150

Amblifier board × 1 - Rs. 49 (Aliexpress)
Speaker × 2 - Rs. 100 (offline stores)

You made Bluetooth Speakers only Rs. 150


Amplifier Board DIY Bluetooth Speaker Modification Module (Upto 5w+5w)

Technical Details

Operating voltage: 3.7-5V DC

Size: 40 * 20mm

Bluetooth version: 4.2

Maximum Working Current: 5V 2A
Power: 3 W
Package included:1 x3.7-5V Dual Plate 3W

Amplifier Board DIY Bluetooth Speaker Modification Module USB sound card support, free to disk, plug and play (normal lithium battery power supply).

Has dual 5 W circuit power amplifier. it can not be used in addition to the power amplifier. the output of two amplifiers can not be connected in parallel or connected to the negative electrode, otherwise the chip power amplifier will be damaged. F power amplifier class 5W + 5W, high output power, more than 8002 the sound quality.

There are two 2-8 European and 3-10 W speakers respectively, and 3 European 5 W and 4 European 10 W horn are used. the output is stereo. Supports the connection of devices that have been paired and play music automatically.

Start the Bluetooth cell phone, the scanning device, find the "DW-CT14 +" click connection. Fine workmanship and good performance. Easy to use. Durable in use. Note: It is suggested that the 3.7-5 V lithium battery (the lithium battery needs a protection plate! It can charge a lithium battery with a rechargeable USB battery, and the USB port can not be used as a power port .) or a 5 V adapter to be used for power supply. it can not use the voltage and current supply unstable power, such as dry battery, portable charger, multi-function transformer and so on. When the Bluetooth board is installed, the antenna should not be near the metal parts so as not to affect the transmission distance. The charging interface of this product is a current limiter charging mode without charge management. for your safety, be sure to use a regular lithium-ion battery with a protective plate, which can cause loss due to improper use.

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