Dc 3.7v 5v 3w Digital Audio Amplifier Board Double Dual Plate Diy Bluetooth Speaker Modification Sou - Z1

In stock
Only %1 left
SKU
DOBSTAC48
As low as $11.19
Description
Bluetooth module operation: turn on the phone's bluetooth, scan the device, find "dw-ct14 +" and click connect.Bluetooth version: this bluetooth version is 4.2.Compatible with all mobile phones and bluetooth adapters on the market.The transmission distance in the open area is about 15 meters.Support to automatically connect back to the paired device and play music automatically.Warning: the charging interface of this product is a current-limiting charging mode without charge management! for the safety of your life and property, please be sure to use a lithium battery with a protective plate produced by a regular manufacturer.Our company will not bear any responsibility if it is caused by improper use!note: this product will automatically shut down after 10 minutes in standby mode, you need to power on again! shipping list: motherboard + pluginstructions for use:1.Bluetooth version 4.22.Support usb sound card, driver-free, plug and play (under normal lithium battery power).3.This product already comes with dual 5w power amplifier circuit.Never use another power amplifier! the output of two power amplifiers cannot be connected in parallel or the negative poles are connected together, otherwise the power amplifier chip will be damaged.4.Can be connected to two 2-8 ohm, 3-10w speakers, 4 ohm 5w and 4 ohm 10w speakers.The output is stereo.5.Maximum working current is 5v2a, using 5v2a or above power supply, the sound quality is better!6.It is recommended to use a 3.7v lithium battery (the lithium battery needs a protection board!) the built-in usb charging port can be used to charge the lithium battery.The usb port can be used as a power supply or a 5v adapter.Do not use dry batteries, power banks, and multifunction power supply with unstable voltage and current such as transformer!7.When the bluetooth board is installed, try to keep the bluetooth antenna away from metal parts, so as not to affect the transmission distance.
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Bluetooth module operation: turn on the phone's bluetooth, scan the device, find "dw-ct14 +" and click connect.Bluetooth version: this bluetooth version is 4.2.Compatible with all mobile phones and bluetooth adapters on the market.The transmission distance in the open area is about 15 meters.Support to automatically connect back to the paired device and play music automatically.Warning: the charging interface of this product is a current-limiting charging mode without charge management! for the safety of your life and property, please be sure to use a lithium battery with a protective plate produced by a regular manufacturer.Our company will not bear any responsibility if it is caused by improper use!note: this product will automatically shut down after 10 minutes in standby mode, you need to power on again! shipping list: motherboard + pluginstructions for use:1.Bluetooth version 4.22.Support usb sound card, driver-free, plug and play (under normal lithium battery power).3.This product already comes with dual 5w power amplifier circuit.Never use another power amplifier! the output of two power amplifiers cannot be connected in parallel or the negative poles are connected together, otherwise the power amplifier chip will be damaged.4.Can be connected to two 2-8 ohm, 3-10w speakers, 4 ohm 5w and 4 ohm 10w speakers.The output is stereo.5.Maximum working current is 5v2a, using 5v2a or above power supply, the sound quality is better!6.It is recommended to use a 3.7v lithium battery (the lithium battery needs a protection board!) the built-in usb charging port can be used to charge the lithium battery.The usb port can be used as a power supply or a 5v adapter.Do not use dry batteries, power banks, and multifunction power supply with unstable voltage and current such as transformer!7.When the bluetooth board is installed, try to keep the bluetooth antenna away from metal parts, so as not to affect the transmission distance.
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