Digital Audio Amplifier Module 5W + 5W Dual-Channel Stereo Mini Amplify DIY Circuit Board for Bookshelf Floor Speakers

Digital Audio Amplifier Module
5W + 5W Dual-channel Stereo Mini Amp Board Amplify DIY Circuit Board for Bookshelf Floor Speakers

Features:
Dual-channel digital audio amplifier module with DC 5V working voltage & 5W + 5W output power.
Equipped with black copper terminal blocks, imported KEMET speaker capacitor, large-capacity filter capacitor for channels and gold-plated audio input terminal blocks.
With a input port that is available for 3.5mm audio cable, and a volume control knob(clockwise to turn volume up and counterclockwise to turn volume down).
Features over 90% high efficiency, less than 10% general harmonic distortion, low quiescent current and noise suppression.
Designed with input reverse connection protection, short circuit protection, over heat protection; what's more, EMI is allowed to pass.

Additional function:
1. Available to connect amplifier type to choose the different function (MODE: high electricity level is Type D, low electricity level is Type A, B. Factory defaults high electricity level)
2. Available to add an external Shutdown (SD: the chip will be Shutdown at low electricity level, factory defaults high electricity level)
3. Available to add a Mute (the chip will be in mute mode when low electricity level, factory defaults high electricity level)

Specifications:
Efficiency: >90%
General harmonic distortion & Noise: <10%
Working voltage: DC 5V (please don't use more than 5V, or the IC will be burnt)
Output power: 5W stereo (2Ω 5V)
Input method: single-ended
Item Size: 5.5 * 3.3cm / 2.2 * 1.3in
Item Weight: 23g / 0.8oz

Package List:
1 * Amplifier Board
1 * Users' Manual(English & Chinese)