<div class="detailmodule_dynamic"><kse:widget data-widget-type="relatedProduct" id="1005000004074434" title="" type="relation"></kse:widget></div> <div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><br />Features: <br />1. Good compatibility: Good compatibility, with a transmission distance of about 15 meters in open areas, supporting automatic reconnection. <br />2. Dual 5W amplifier circuit: Built in high-efficiency amplifier, recommended to use 4 ohm 5W or 4 ohm 10W speakers to output stereo effect. <br />3. Two charging interfaces are available: MICRO USB or TYPE-C interface, with a maximum operating voltage and current of 5V/2A. <br />4. Plug and play design: driver free, plug and play, simple and convenient operation, quick connection. <br />5. High quality sound quality guarantee: It is recommended to use a 3.7V lithium battery with a protective board to avoid unstable power supply and ensure better sound quality.</p> <p>Product Introduction: <br />This BT is version 5.2 and can be backward compatible with versions 5.0 and 4.2. It is basically compatible with all mobile phones and BT adapters on the market, with a transmission distance of about 15 meters in open areas. Support automatic reconnection of paired devices and automatic playback of music. CT14 miniature stereo BT amplifier board audio module, equipped with BT, amplifier, and charging port.</p> <p>Parameter: <br />Charging interface: MICRO USB port, TYPE-C port <br />Supply voltage: 3.7-5VDC <br />Working current: 5V/2A (maximum) <br />Power: 5W+5W <br />Size: 40mm * 20mm <br />BT module operation: Turn on your phone's BT, scan the device, find "DW-CT14+", and click to connect. <br />instructions: <br />1. BT version 5.2. <br />2. Supports USB sound card, driver free, plug and play (under normal lithium battery power supply). <br />3. This product comes with dual 5W amplifier circuits Never connect another amplifier for use! The outputs of two amplifiers cannot be connected in parallel or the negative terminals cannot be connected together, otherwise the amplifier chip will be damaged <br />4. Can be connected to two 2-8 ohm and 3-10W speakers respectively, with 4 ohm 5W and 4 ohm 10W speakers for push storage Output as stereo sound. <br />5. High working current of 5V2A, using a regulated power supply of 5V2A or above for better sound quality! <br />6. It is recommended to use a 3.7V lithium battery (lithium batteries need to come with a protective plate!). The built-in USB charging port can be used to charge the lithium battery, and the USB port can also be used as a power supply port or a 5V adapter for power supply Do not use power sources with unstable voltage and current such as dry batteries, power banks, and multifunctional transformers for power supply! <br />7. When installing the BT board, try not to place the BT antenna near metal parts as much as possible to avoid affecting the transmission distance <br />Warning: The charging interface of this product is limited to current charging mode and does not come with charging management! For the safety of your life and property, please be sure to use lithium batteries with protective plates produced by legitimate manufacturers. If any losses are caused due to improper use, our company will not be held responsible! <br />Attention: This product will automatically shut down after 10 minutes in standby mode and needs to be powered on again!</p> <p>Package Include: <br />1 * Power amplifier board <br />3 * 2PIN terminal wire (approximately 15cm)<br /></p></div></div>