1.Superior Sound Quality: The stereo digital power amplifier board module delivers truly high-end audio quality, ensuring an immersive and pristine listening experience. 2.Robust Protection Mechanisms: The stereo amp board features built-in protection mechanisms against overvoltage, short circuit, overheating, and undervoltage, safeguarding the amplifier and connected devices. 3.Ultra-Low Distortion: This power audio amplifier board maintains exceptionally low distortion throughout the entire audio frequency range, allowing for accurate reproduction of audio signals. 4.High Power Output: With a power rating of 220W+220W, the audio amplifier board module provides a substantial power output, enabling it to drive demanding speakers and deliver room-filling sound. 5.High Reliability and : The power amplifier board is highly reliable and designed for , ensuring years of uninterrupted performance and enjoyment. specifications:B:AP2202 potentiometer external Colour:Photo Color Material:plastic Package Contents: 1 x digital amplifier board Only the above package content, other products are not included. Note: Light reflection 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.