915 Generation 5Wx2 Stereo Dual Channel Digital Amplifier Board Audio Ampli

Output Interface: Speaker output port * 2 groups (one group for left and right channels), it is recommended to ohm 5W-50W power speakers to use.
Users can freely switch between CLASS or CLASS D working modes according to sound preference and power collocation.
Features: The power switch and the volume knob are integrated. When the sound is adjusted to the minimum, turn it counterclockwise. When you hear a clicking sound, it is turned off. Turn clockwise to turn it on.
Powered by -5p interface, ordinary mobile phone charger 5V2A charging cable can be used.
Product Usage: Can connect the audio signal of mobile phone, laptop and to the output of stereo power amplifier through 3.5mm audio cable. Output power: 4 ohm 2x5W
Power interface: -5p (reserved 2.5mm welding port)
Input voltage: 3.7V-5V
Amplifier working mode: switchable class and class D
Signal-to-noise : 90DB
+N:-70DB
Crosstalk: -86db
DNR: 91db
Type: B
color:Black
Material:PCB + electronic accessories
size:54mm x 33mm x 15mm Package Contents:
1 x Amplifier board Only the above package content, other are not included.
Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.