TPA3255 Digital Power Amplifier Board Pure Rear Stage Digital Power Amplifier Board power and clear sound Bridge type single channel 600W, dual channel 300W add 300W power, stable performance, and good sound quality output Front end amplification with adjustable gain from 26 to 36 dB Durable build and materials Made of PCB material Reliable and durable with quality Suitable for longterm use Protection and easy operation Input undervoltage protection, overheating protection, overcurrent protection, and short circuit protection Easy to use Automatic air cooling with temperature control or manual fan selection to keep running Practical use scenarios Home audio systems and DIY speaker projects requiring strong, clean amplification Small venues or stage monitors where bridged or dualchannel operation is needed Audio development, testing, and prototyping for speakers and amplifiers