D200P mono digital amplifier Integrated shell heat dissipation design The D200P uses a full aluminum alloy shell that acts as a heatsink for the TPA3221 amplifier chip. This design reduces the overall size, delivering a compact and refined enclosure while improving heat dissipation efficiency and achieving more stable operation. Costconscious mono digital amplifier with sound quality Designed at no cost to deliver outstanding audio performance. Uses the TPA3221 digital amplifier chip. Output power up to 200 with very low distortion. Especially effective for driving subwoofers. Use scenarios Home theater or music subwoofer system: enhances bass in a compact living room or media space without adding bulk. Small hifi or bookshelf setups: serves as a dedicated sub amplifier to improve lowend response in tight listening environments. DIY subwoofer projects or small venue setups: provides a compact, efficient mono amplification stage for bass reinforcement. Key attributes Function: mono digital amplifier optimized for subwoofer driving. Material: aluminum alloy shell with integrated heat dissipation. Size: compact and refined enclosure that saves space. Performance: heat dissipation efficiency, stable operation, and very low distortion. Compatibility: designed to drive subwoofers effectively.