Key benefits Wide voltage range for stable sound quality Working voltage is DC /2090V, so voltage fluctuations will not degrade audio performance. Optimized circuit with integrated mute Optimized circuit design includes an integrated mute switch, delivering a higher signaltonoise ratio and quiet startup. Easy installation with compact, reliable hardware Built on an PCB for stable performance, and a compact form factor that saves installation space. Strong drive capability and versatile performance Power amplifier module delivers sound with strong driving force, suitable for a wide range of applications. Specifications and features preserved Voltage: DC /2090V operating range Circuit: Optimized design with integrated mute switch Construction: PCB for stable performance Performance: sound quality and strong drive capability Applications: Broad range of uses due to versatile drive and compatibility Use scenarios DIY audio projects Ideal for custom speaker builds, car audio upgrades, or compact home stereo systems where supply stability may vary. Embedded and portable audio systems Suitable for kiosks, multimedia installations, small PA setups, and other compact audio applications that require reliable power amplification. Prototyping and education Useful in teaching environments and labs for handson experiments with power amplification and mute functionality.