Sell AIYIMA Mini Bluetooth Amplifier Board 5W*2 Stereo Power Amplifiers Bluetooth 5.0 Decoder Audio Module With Charging best price

Product description: The product adopts 5.0 Bluetooth DC3.7V-5V power supply, the maximum power can be configured to reach 10W (5W*2), and the external power amplifier can be modified, please connect it from the 3P socket OUT audio output; PCB size 40MM*34MM*9MM (including nest); Micro wave power switch control; Bluetooth 5.0 device product ID: YMX-868BT Power supply: DC voltage (3.7-5V), current should be 1.5A-2A or above; USB is the charging input (when the lithium battery is plugged into the red power socket, it can be charged from here; the red light is on when charging, the red light is not lit ) Power requirements:    Voltage DC voltage 3.7V-5V, voltage can not be higher than 5V; current 1.5A-2A; (note: if using 3.7V lithium battery, please ensure that lithium battery and discharge can reach 1.5A, otherwise it will always restart or the sound quality is not good or bad. Speaker requirements:   (Satellite) left and right channel sub-box speaker: select 4 ohm (Ω) / 5W * 2 full-range speaker   (note: if using 3.7V lithium battery, please ensure that lithium battery discharge can reach 1.5A, please choose 4 ohms (Ω) / 3W * 2 for the speakers.   Bluetooth connection:    The mobile phone starts Bluetooth detection from the setup menu, so that the mobile phone is detected by the device, and then goes to the Bluetooth menu - search for the device or the paired device. After searching (YMX-868BT) "Touch Pairing", it also hears "Connected successfully or prompts" to complete the pairing; Note: not a smartphone (Android) to enter the password -0000; product Bluetooth device name YMX-868BT Note:  1) Red 2P seat BAT is connected to the power supply positive DC3.7V to 5V+, GND is connected to the negative pole; white 2P seat from bottom to top L-O-/L-O+ is connected to the speaker 1, white 2P seat R-O-/R-O+ is connected to the speaker 2  2) Working voltage lithium battery 3.7V, or regulated power supply DC DC 4.5-5V, current (600-700MA when connected to a speaker; 1.5-2A for two speakers). Lithium-powered speaker with 4 ohms 3W+3W, voltage regulator Power 5V speaker with 4 ohms 5W+5W. If the current is not enough, there will be a jump or Bluetooth instability, the motherboard will always restart or the sound quality is not good / broken / distortion and other bad phenomena (if you have this problem, please check your power); The voltage cannot be higher than 5V, otherwise the main chip and the power amplifier IC and related components will be damaged. 3) Audio output: 3P block OUT audio output can be modified for external power amplifier, the middle is audio ground, left and right are L and R respectively 4) If you will connect or use lithium battery (3.7-4V power supply), do not add this component (IN4007), so the voltage will be reduced by about 0.7V, read U disk and SD card will not read, you can Directly cut off the IN4007 Package included: 1Pcs