Sound Amplifier Board 2x5W Dual Channel Stereo Power Amplifier Board for Speaker Sound System DIY DC 5V

Feature: 1. LOW QUIESCENT CURRENT: Output power: 5W 2 Ohm ; efficiency: >90percent ; total harmonic distortion plus noise: <10percent . 2. A VARIETY OF PROTECTION: Amplifier board has a power input reverse protection, short circuit, overheating, can be over EMI and other protection. 3. TYPE SELECTION: Sound amplifier board can be external amplifier type selection function, high level Class D, low level Class AB, default high level. 4. SHUTDOWN: Stereo power amplifier board supports external shutdown, low level when the chip is shut down. 5. MUTE: Dual channel amplifier board can be externally mute, low level mute, default high level, noise suppression. Specification: Item Type: Power Amplifier Board Material: PCB Supply Voltage: DC 5V (do Not Over Voltage, Over Voltage Will Burn Out The IC) Input Mode: Single Ended Output Power: 5W 2 Ohm Efficiency: >90percent Total Harmonic Distortion Plus Noise: <10percent . Package List: 1 x Power Amplifier Board1 x Instruction Manual Note: All data are measured manually, and there are certain errors in the measurement results.