Chile

Product name: 5W+5W Class D digital power amplifier board
Power supply voltage: DC 5V (do not overvoltage, overvoltage will burn the IC)
Input method: single-ended
Output power: 5W 2Ω 5V / 3W 4Ω 5V / 1.8W 8Ω 5V
Process materials: high-end pure black gold circuit board, imported KEMET audio , large capacity filter  per channel. Special order pure black pure copper terminal, gold-plated audio input terminal.

performance:
Efficiency: Greater than 90%
Total harmonic distortion plus noise: Less than 10%
Low quiescent current
Noise suppression
Protection: power input reverse protection, short circuit, overheating, EMI
Additional functions: external power amplifier type selection function (E: high level class D, low level class AB, factory default high level); external shutdown (SD: chip shut down when low level, factory default high level ); external mute (MUTE: low level mute, factory default high level)
colour:Black
Material:PCB+metal
Size:55.12 x 32.26mm

Package Contents:
1 x 5W+5W Class D digital power amplifier boardOnly the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.