Most of the power amplifier/DSP power amplifier in the market, with low power and low sound and poor dynamic performance, it is difficult to introduce good effects, and some high-end speakers in special cities are even more difficult to push. Therefore, the design of this power amplifier is specially designed for high-end and high-fever car audio modification, with high power and fever of sound quality, which is specially designed for enthusiasts. This power amplifier is a 2-channel pure power amplifier, and it is recommended to use 2 power amplifiers for 4 doors. The power amplifier does not have volume adjustment and bass adjustment. Suitable for cart door speaker, can connect the low signal of the host to the power amplifier, or connect the DSP for the front stage, or CD player, etc...