Alwaysonline Sound Amp Module Mini Amplifier Board Button Control 2 Working Mode For

Giới thiệu Alwaysonline Sound Amp Module Mini Amplifier Board Button Control 2 Working Mode For

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1. Button Control: Stereo mini amplifier board, high transmission effect and stability, with button control, convenient to control volume up and down, switch on and off, etc.
2. Power Supply: This mini amplifier board uses micro 5p interface power supply, ordinary cell phone 5V 2A charging cable can be used (not included), convenient and fast.
3. Output Interface: Amplifier module has two sets of output ports (one for left and one for right channel), and it is recommended to connect 4 ohms 5W‑50W speakers.
4. Working Mode Switching: Professional amplifier module, can freely switch CLASS AB or CLASS D working mode according to sound preference and power matching.
5. Easy To Use: Integrated power switch and volume knob, when the sound is adjusted to the minimum turn counterclockwise and hear the click sound that is off, turn clockwise to turn on.
6. Applications: Sound power amplifier board device to adjust the volume through the switch, ideal for DIY speakers. Be widely used in store solicitation, home theater, speakers, etc.

Specification:
Item Type: Mini Amplifier Board
Material: PCB
Power Connector: Micro 5p (Reserved for 2.5mm/0.10in Solder Port)
Input Voltage: 3.7V-5V
Amplifier Operating Mode: Switchable Class AB and Class D
ANR: 90DB
THD and N: -70DB
Crosstalk: -86db
DNR: 91db
Output Interface:
output port x 2 groups (left and right channel each group), recommended to connect 4Ω 5W-50W power speakers to use
Users can freely switch CLASS AB or CLASS D working mode according to sound preference and power matching.
Product Features:
Power switch and volume knob integration, the sound is adjusted to the smallest counterclockwise rotation, hear the click sound that is off, clockwise rotation that is on
Product Use:
Cell phones, laptops, tablets, sound signals through the 3.5mm sound cable connected to the stereo amplifier output

Package List:
1 x Mini Amplifier Board

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