Feature: 1. Model: XPT8871 2. Name: Amplifier Board 3. Strong anti-interference ability, excellent sound quality and low power consumption 4. Power: DC 5V 1A .5Chip:XPT8871 6. Channel type: single channel 7. Output power: 5W 8.Size: 20* 16 * 8 mm 9. Applications: USB speakers, portable speakers, TVs, DVDs, satellite navigators, navigators, etc. Package Included: 1PCS * XH-M125 XPT8871 Mono Amplifier Board