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Product Description

CT14 Micro 4.2 Audio Amplifier Board 5W+5W Bluetooth-compatible Mini Amplifier Board with Charging Port for DIY Modified Speaker

Feature:
1. Bluetooth-Compatible Version 4.2: This stereo power amplifier board features Bluetooth-compatible version 4.2 for faster transmission speeds and a more stable connection, providing you with a better audio experience. The low power consumption technology will also greatly extend the battery life so you can enjoy your music for a long time.
2. USB Sound Card Support: The audio amplifier board supports USB sound cards and can be used directly without drivers. Just plug it in and use it under normal lithium battery power. This design is not only convenient and practical, but also provides higher quality audio effects.
3. Dual 5W Amplifier Circuit: This stereo amplifier module already has a built-in dual 5W amplifier circuit, so there is no need to connect another amplifier. The two amplifier outputs cannot be connected in parallel or with the negative terminals connected together, otherwise the amplifier chip will be damaged. In addition, the board can be connected to two 2-8 Ohm, 3-10W speakers respectively, 4 Ohm 5W and 4 Ohm 10W speakers are recommended. The output is stereo.
4. Regulated Power Supply: This mini amplifier board has a maximum operating current of 5V2A. It is recommended to use a regulated power supply of 5V2A or above for better sound quality performance. The board also supports a 3.7V Li-ion battery with a protection board and provides a USB charging port for charging whenever and wherever you need it. the USB port can also be used as a power supply port or a 5V adapter for power supply. It is not recommended to use power supply such as dry batteries, rechargeable batteries and multifunctional transformers with unstable voltage and current.
5. Bluetooth-Compatible Antenna Optimization: Please avoid installing the audio bluetooth-compatible module close to metal parts as this may affect the transmission distance. For optimal Bluetooth-compatible signal reception, it is recommended to place the Bluetooth antenna at a higher position and as far away from other wireless devices and electronics as possible to avoid signal interference.

 

Specification:
Origin: Mainland China
Type: Module
Condition: New
Application: Speaker
Supply Voltage: 5 V
Model Number: Stere Bluetooth-Compatible Power Amplifier Board
Pre-purchase instructions:
Bluetooth module operation: open your mobile phone Bluetooth, scan the device, find "DW-CT14" and click connect.
Bluetooth version: This Bluetooth is version 4.2. It is compatible with all mobile phones and Bluetooth adapters on the market. The transmission distance is approximately 15 metres in open space. Supports automatic connection back to paired devices and automatic music playback.
Warning: The charging port of this product is in current-limited charging mode and does not come with charging management! For the safety of your life and property, please make sure to use lithium batteries with protection plates from regular manufacturers, we will not be responsible for any damage caused by improper use!
Cable length: 14cm/5.5inch
Dimensions: 40 x 20 x 12mm/1.6 x 0.8 x 0.5inch
Weight: 75g
Tips: This product will automatically shut down after 10 minutes in standby mode and needs to be re-charged and turned on!

Note:
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.


Included
1 x Bluetooth-compatible Module
3pcs x Plug-in Cable
Pictures
Payment

  1. * We accept PayPal only.

  2. * All major credit cards are accepted through secure payment processor PayPal.

  3. * Payment must be received within 7 business days of auction closing.

  4. * If you have bought multiple items from me, you can send me one payment for all the items instead of paying for them individually. When you click the Pay Now button, eBay will automatically determine if there are other items you have won or purchased from me and will combine them for your review.

  5. * Refunds are normally issued with 2 working days.If you need any further information regarding payments,please contact us via eBay message.
    * If you have any special requests, please send us a message before making the payment.

  6. *NOTE: Import duties, taxes and chargers are not included in the item price or shipping charges. These charges are the buyer's responsibility.
    Please check with your country's customs office to determine what these additional costs will be prior to bidding buying.

Warranty

  1. * 12 months Warranty. Buy with confidence!

  2. * If you are not satisfied when you receive your item, please return it within 14 days for a replacement or money back. Please contact me before you return it.

  3. * If item is defective in 3 months, We will send you a replacement without extra charger, or offer refund after we receive the defective item.

  4. * If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item. But you have to pay the extra shipping fee.

Shipping

  1. * We ship from the item location.

  2. * Items will be shipped within 3 business day(S) after payment completed received.

  3. * NOTE: Please check the parcel before sign for it, If any problem with the parcel please mark on the signature that "Damaged when received" when signing it. Thank you.

Policies

  1. * We are not responsible for any custom duty or import tax.

  2. * We will leave POSITIVE FEEDBACK after receiving the payment. Please contact us if you are not satisfied with the item after receive it.

  3. * All messages will be answered within 1 business day. If you do not receive our reply, please kindly re-sent your message and we will reply to you as soon as possible.

  4. * Serious Buyer Only! Please place bid only if you agree with all the terms.

  5. * If you have any problems or concerns whatever with your order or products, please message us and give us a chance to assist you before you leave any feedback. We believe we can produce a positive outcome to any situation and will work hard to earn your praise.

  6. * If you were pleased with this transaction, Please give us 5 star rating, thanks!

Contact Us

  1. * Our office hours are 9:00 a.m to 6:00 p.m (GMT +8) of Monday to Saturday.

  2. * And our Office is closed on Sunday and public holidays.

  3. * We apologize for the late reply during the holidays.

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