Upgrade TPA3255 Subwoofer Active Speaker Amplifier Board

active subwoofer power amplifier board, real material, excellent effect. The power amplifier part uses the TPA3255 digital power amplifier chip, and the power is as high as 600 watts/2 ohms, 300 watts/4 ohMs. Suitable for use on a regular home theater subwoofer, or a Group 2.1 system. The key to the effect of subwoofer is the design of the pre-filter circuit. This product has been optimized and debugged for many times, and the effect is quite excellent, low frequency diving is very deep, clean and neat, not bang the head, and feel full of strength. As long as it is matched with the right subwoofer speaker, the effect is quite comfortable. This product uses high-power switching power supply to that the output energy is continuous, not soft feet, coupled with high-power output inductance, first-class control force, retracting freely. The whole machine heat conduction this aluminum plate, the heat dissipation area is large, can the stability of long-term high-power operation. In addition