CT14 Stereo Bluetooth Amplifier Board 5V AMP F Class 5W+5W Amplifier Module It can be compatible with all mobile phones and Bluetooth adapters on the market, it supports USB sound card, no drive, plug and play. It supports automatically connecting devices that have been paired and playing music automatically. F class power amplifier 5W+5W, high power output, over 8002 sound quality. Good sound quality, suitable for upgrading and refitting the idle sound box and Speaker DIY Instructions:
1. Support USB sound card, free drive, plug and play (normal lithium battery power supply situation).
2. This AMP board has dual 5W power amplifier circuit. 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 power amplifier chip will be damaged.
3. It can be connected to two of 3-10W speakers respectively, recommand 5W and 10W speaker are used. The output is stereo.
4. Maximum working current is 5V 2A, using 5V 2A or more voltage power supply, sound quality will be better.
5. It is suggested that a 3.7-5V lithium battery (the lithium battery needs a protective plate! It can charge a lithium battery with a USB rechargeable battery, and the USB port can not be used as a power supply port.) or a 5V adapter be used for power supply. It can not use voltage and current unstable power supply, such as dry battery, portable charger, multi-function transformer and so on.
6. When the Bluetooth board is installed, the antenna should not be close to the metal parts so as not to affect the transmission distance.
How to Connect the Bluetooth:
Open the cell phone Bluetooth, scan the devices, find the name of "DW-CT14+", then click the connection.
Note:
The charging interface of this product is a current limiting 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.
Package included:
2 x CT14 Stereo Bluetooth Amplifier Boards
1. Support USB sound card, free drive, plug and play (normal lithium battery power supply situation).
2. This AMP board has dual 5W power amplifier circuit. 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 power amplifier chip will be damaged.
3. It can be connected to two of 3-10W speakers respectively, recommand 5W and 10W speaker are used. The output is stereo.
4. Maximum working current is 5V 2A, using 5V 2A or more voltage power supply, sound quality will be better.
5. It is suggested that a 3.7-5V lithium battery (the lithium battery needs a protective plate! It can charge a lithium battery with a USB rechargeable battery, and the USB port can not be used as a power supply port.) or a 5V adapter be used for power supply. It can not use voltage and current unstable power supply, such as dry battery, portable charger, multi-function transformer and so on.
6. When the Bluetooth board is installed, the antenna should not be close to the metal parts so as not to affect the transmission distance.
How to Connect the Bluetooth:
Open the cell phone Bluetooth, scan the devices, find the name of "DW-CT14+", then click the connection.
Note:
The charging interface of this product is a current limiting 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.
Package included:
2 x CT14 Stereo Bluetooth Amplifier Boards