1-channel subwoofer amplifiers
The solution to the economy class in the technical parameters of a high enough level. Compact, very high power, low distortion, simplicity to load. Carefully implemented filters LF and HF, "canonical", as in home HI-FI, Vysocany tract gain without iskusstvennyh underscores timbre. The choice of the listener, delighting in the naturalness of the sound inside the car, not an "expression of power".