About this item

• PAM8403 Mini Type D Digital Power Amplifier can be easily used in the small space of many digital products, high gain efficiency.
• It can be powered by a computer USB 5V or a telephone charger 5V or a lithium battery.
• High efficiency 90%, can supply 3W (left channel) + 3W (right channel) when using 4Ω load and 5V power supply.
• Type D power amplifiers have very high gain efficiency, sound quality is not affected by temperature rise, no heat sink required.
• Built-in noise reduction circuit, no noise when switched on/off, supports short circuit, over current and over temperature protection