Honeywell / Bendix King KMA24 is a solid-state audio control panel with pushbutton selector, speaker and headphone isolation amplifiers, and a marker beacon receiver. The KMA24 can accommodate up to 3 transceivers and 6 receivers. The audio control features optional marker light presentation, AUTO, 2 COMMs, 2 NAVs, DME, ADF, HF, TEL selections depending on the dash number.