Alwaysonline 5.0 Stereo Audio Amplifier Board 2 Control Ports Stable 3.7V-5V for DIY
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Giới thiệu Alwaysonline 5.0 Stereo Audio Amplifier Board 2 Control Ports Stable 3.7V-5V for DIY
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1. 2 Control Ports: The PCB board reserves 2 control ports, one is to output high level first, and then output low level when power on or pause. The other one is to output a low level first, and then output a high level when it is turned on or suspended.
2. Stable Transmission: The power amplifier board uses 5.0 main control , which has good transmission effect and high stability. This is for professional users to use external power amplifier DIY, ordinary users do not need to use it.
3. Button Control: With button control, it can control up and down songs, volume addition and subtraction, play, pause, switch on and off, etc., and reserve high and low level control interfaces, regardless of daily use or DIY modification, with strong playability.
4. Interface Design: Output interface: 3.5mm stereo (reserved welding point, you can DIY by yourself), power interface: micro 5p (reserved 2.5mm welding port, does not support power supply) Input voltage: 3.7V‑5V.
5. Multipurpose: The signal of phone, , and tablet can be transmitted to power amplifier, active speaker and other device. The interface can also be connected to 3.5mm headphones to turn into headphones. (without mic, voice chat is not supported).
Specification:
Item Type: Board
Material: PCB
Color: White
Version: V5.0
Transmission Distance: About 10 Meters (the Shorter the Distance, the Better the Stability)
Output Interface: 3.5mm Stereo (Reserved Solder Joints, You Can DIY by Yourself)
Power Interface: Micro 5p (Reserved 2.5mm Welding Port, Does Not Support Power)
Input Voltage: 3.7V-5V
Signal to noise Ratio: 90dB
Total Harmonic Distortion +Noise:-70dB
Crosstalk: -86dB
DNR: 91dB
Transmission Protocol: A2DP/AVCTP/AVDTP/HFP
Package List:
1 x Module
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