The KX-155A is part of the Silver Crown Plus product line which includes a backlit bezel so that the lettering on the faceplate can be seen at night.

In addition, the KX-155A adds the following features and functions:

• Remote channel increment capability and flipflop tuning for applications where pilot cannot take hands off yoke such as helicopter operators
• Internal Course Deviation Indicator (CDI) included for such times when external CDI is being driven by GPS receiver
• Stuck microphone alert allows COMM transceiver to automatically shut down if microphone is keyed continuously for more than 33 seconds
• Bearing-to-station mode and radial-from-station mode on display
• Includes elapsed-time and approach timer that can be programmed to count either up or downwards
• New display doubles amount of available presentation space from one line to two