DIY Stereo Amplifier Board LTK5328 Bluetooth-compatible 5.0 Audio Power Digital Amplifier Module Two-channel Dropshipping

Description for LTK5328:

Product color: black

Power interface: micro 5p reserved 2.5mm welding port

Input voltage: 3.7V-5V

Amplifier working mode: switchable class AB and class D

Signal-to-noise ratio: 90DB

THD N:-70DB

Crosstalk: -86db

DNR: 91db

Product size: 54mm x 33mm x 15mm

Packing size: 8cm x 5cm x 2cm

Specifications:

1【output interface】 speaker output port x 2 groups one group for left and right channels, it is recommended to connect 4 ohm 5W-50W power speakers for use

2【Switchable mode】Users can freely switch between CLASS AB or CLASS D working mode according to sound preference and power collocation.

3【Integration of the power switch and the volume knob】When the sound is adjusted to the minimum, turn it counterclockwise. When you hear a clicking sound, it is turned off, and turning clockwise is turned on.

4【Power supply via micro 5p interface】 Ordinary mobile phone charger 5V2A charging cable can be used.

5【Easy to use】Clear effect, free of wires and button caps.

Description for XPT8871:

Product name: 5V sound single channel power amplifier board

Product specifications: 20.7 x 17 x 10mm

Power supply voltage: 5V, 1A

Output power: 5W

Note: This board needs to be welded, friends with tools, and friends with a certain amount of hands-on ability can play.

Package Included:

1 x Amplifier board

1 x Audio cable

1 x Charger