1, the amplifier to change the traditional FDV series amplifiers aviation plug wiring, using pressure line terminal wiring, simple structure, easy to adjust, quick and easy maintenance and repair. 2, small size, compact structure, the entire board with one piece structure, components soldered securely installed, easy to transport. 3, clearly marked, the entire printed wiring board signed logo, pick the wrong line and so does not exist, even if do not understand this amplifier is mainly to see the wiring instructions will soon be connected. 4, can use up to three sensor inputs, a sensor can also be used alone cost savings.