Feature●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●Power Supply: This mini amplifier board uses micro 5p interface power supply, you can use regular phone charger 5V 2A charging cable (sold separately), convenient and fast●Output interface: Amplifier module has 2 sets of speaker output ports (one for left channel and right channel), we recommend connecting 4 ohm 5W to 50W speakers●Working Mode Switching: Professional amplifier module can freely switch between Class AB or Class D working modes according to sound preference and power matching●EASY TO USE: Integrated power switch and volume knob, when the sound is adjusted to the minimum, turn counterclockwise to hear a click sound, turn off and turn clockwise to turn on. Sound power amplifier board device is perfect for adjusting volume through switch. For DIY speakers. Can be used for a wide range of purposes, such as shop solicitors, home theaters, speakers, etcDescription
Specifications:
Item Type: Mini Amplifier Board
Material: PCB
Power Connector: Micro 5p (reserved for 2.5mm/0.10" solder port)
Input Voltage: 3.7V-5V
Amplifier operating modes: Switchable Class AB and Class D
ANR: 90DB
THD and N: -70DB
Crosstalk: -86db
DNR: 91db
Output Interface:
Speaker output ports x 2 groups (left and right channel groups), 4Ω 5W ~ 50W power speakers are recommended to connect and use
User can freely switch between CLASS AB or CLASS D operating modes depending on sound preferences and output matching.
Product Features:
Integrated power switch and volume knob, counterclockwise rotation to minimize sound adjustment, when off you hear a click, turn clockwise to turn on
Product Usage:
Sound signal via 3.5mm sound cable connected to cell phone, laptop, tablet, stereo amplifier output
Package List:
1 x Mini Amplifier Board