The power output of 1 is different: the power output of PM 14SA is 90W/8Ohm, while that of 1 1S3 is100W/8Ohm.
2. Different input and output interfaces: PM 14SA provides 5 stereo audio input channels and 1 stereo output channels. While 1 1S3 provides 7 stereo audio input channels and 2 stereo output channels.
3. The design is different: PM 14SA adopts a metal shell, and the front panel is equipped with a central display screen and knob control. 1 1S3 is made of solid wood, and the front panel has a central display screen and knob control.