Description:
Operating voltage: 2.5V-5.5V. Note: The power supply voltage should not exceed 5.5V, the positive and negative power supply should not be reversed.
Speaker with: 4-8 Europe, Recommended: 4 Europe; Speaker power: 2-8W.
You can use the computer USB port 5V power supply, or use mobile phone charger USB port 5V power supply, you can also use lithium battery power.
High efficiency 90%, 4Ω load and 5V power supply conditions, can provide 3W (left channel) +3 W (right channel) output power. Class A, Class B and other power amplifier efficiency is only about 30%, Class D power amplifier in today's green trend under the highly respected.
Class D amplifier efficiency is very high, will not affect the sound quality because of temperature rise, and do not add heat sink, the volume is very small.

Application:
LCD TV, monitor
laptop
Portable speakers
Portable DVD players, game consoles
Phone / speakerphone

Package Included:1x or 5x Speaker Module

Notes:
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 0.1-2cm measuring deviation due to manual measurement.