Giới thiệu 1buycart1 DIY Receiver Module Power Amplifier Board AB/D Selectable for Music Player
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♔ ♕ ♖ ☻ 1. [ 5.0 Chip and Micro 5p Interface Powered] 5.0 chip, stable transmission; Micro 5p interface power supply, ordinary mobile phone 5V2A charging cable can be used. 2. [Button Control] The power amplifier board is with button control, it is convenient for you to control up and down songs, volume increase and decrease, play, pause, switch machine, etc. 3. [ Output] output ports x2 groups (one for each left and right channel) cannot be used with the headphone plug at the same time. Output Interface: 3.5mm stereo (reserved solder joints, you can DIY) 4. [3.5mm Headphone Plug] When connecting headphones, the device will automatically switch to headphone output and stop the signal from the output port of the power amplifier board. 5. [Stereo Amplifier Output] The signal of phone, and can be received to the stereo output, also connecting to 3.5mm ordinary headphones. (without a mic, does not support voice chat)
Specification: Item Type: DIY Receiver Module Material: PCB Version: V5.0 Name: JH-BT Maximum Receiving Distance: More Than 10m / 33ft Power Output: Stereo 2x5W Output Mode: AB/D Selectable Driver Impedance: 2-4-8 Ohm Power Supply Interface: Micro USB 5V DC (recommended 5V/3A, if 5V/2A power supply is used, due to the large operating current in class D mode, it needs to be switched to class AB mode, it is recommended to play more power in class D mode of 5V/3A Large) Users need to bring their own USB adapter and micro power supply cable (reserved 2.5mm welding port, this model does not support battery power supply) Headphone Output Interface: 3.5mm Stereo Output Interface: 2x2PIN / 5mm Spacing (cannot be output to power amplifier) : 2-8 ohm 5-10W speakers can be connected respectively, 4 ohm 10W speakers are recommended. Installation: When installing the board, the antenna should not be close to the metal parts as much as possible, so as not to affect the transmission distance. SNR: 90DB Total Harmonic Distortion +Noise:-70DB Crosstalk: -86db DNR: 91db Transmission Protocol: A2DP/AVCTP/AVDTP/HFP