1、Class D digital audio amp, mini size but multi‑function. 2、Audio amplifier board ‑ Adopts TDA7498 chip, ensures high‑quality sound. 3、Distortion is significantly reduced, giving you a great listening enjoyment. 4、High Output Power (100W * 2) ‑ Mono power up to 100W. 5、Multi‑protection ‑ Over‑voltage protection, under‑voltage protection, overheating protection, short‑circuit protection. Features: Class D digital audio amp, mini size but multi-function. Audio amplifier board - Adopts TDA7498 chip, ensures high-quality sound. Distortion is significantly reduced, giving you a great listening enjoyment. High Output Power (100W * 2) - Mono power up to 100W. Multi-protection - Over-voltage protection, under-voltage protection, overheating protection, short-circuit protection. Fast heat dissipation with built-in fan. Specification: Type: Audio Amp Amplifier Board Product model: For XH-M510 Input voltage: DC9 - 34V Output power: 100W * 2 Output resistance: 4 - 8Ω Line type: Class D Chip model: TDA7498 Fan: Yes Shell: Yes Material: ABS Weight: Approx. 247g / 8.7oz Size: Approx. 11 * 7.5 * 4cm / 4.3 * 3 * 1.6in Package list: 1 * Audio Amp Amplifier Board Note: Please allow slight error due to manual measurement. Thanks for your kind understanding.