CT14 Mini 4.2 Stereo Bluetooth Amplifier Board F 5W 5W Charging DIY Modified Speaker Audio ModuleItem NO.: CT14

CT14 Mini 4.2 Stereo Bluetooth Amplifier Board

Product Information:

Note before purchase: Bluetooth module operation: open the mobile phone Bluetooth, scan the device, find "DW-CT14+" and click the connection.

Bluetooth version: This Bluetooth version is 4.2. Compatible with all mobile phones and Bluetooth adapters on the market. The transmission distance in open area is about 15m. Support to automatically connect the paired devices and automatically play music.

Warning: The charging interface of this product is current limiting charging mode, without charging management! For the safety of your life and property, please be sure to use the lithium battery with protective plate produced by the formal manufacturer. If the loss is caused due to improper use, our company will not bear any responsibility!

Note: This product will automatically shut down after 10 minutes in standby mode, and it needs to be powered on again!

Instructions:

1. Bluetooth version 4.2

2. Support USB sound card, drive free, plug and play (under normal lithium battery power supply)

3. This product has its own dual 5W power amplifier circuit Do not use another power amplifier! The outputs of the two power amplifiers can not be connected in parallel or the negative terminals are connected together, otherwise the power amplifier chip will be damaged

4. Two 2-8 ohm and 3-10W speakers can be connected respectively, and 4-ohm 5W and 4-ohm 10W speakers can be used for push storage. The output is stereo

5. The maximum working current is 5V2A, and the power is supplied by a regulated power supply of 5V2A or above, with better sound quality!

6. It is recommended to use 3.7V lithium batteries (lithium batteries need to be equipped with protective plates!) The built-in USB charging port can be used for lithium battery charging, and the USB port can be used as power supply or 5V adapter Do not use the power supply with unstable voltage and current, such as dry batteries, power packs, multi-functional transformers, etc!

7. When installing the Bluetooth board, the Bluetooth antenna should not be close to the metal parts to avoid affecting the transmission distance

Delivery List:

Motherboard+patch cord