In Case You Missed It
Product Review: PS Engineering PMA5000EX
At its heart, the PMA5000EX is a four-place stereo intercom in an audio panel that supports two each of coms, navs, switching aux inputs, music inputs plus having five unswitched aux inputs and a front-panel input for a music source or cell. By Marc Cook.
Marketability
The manufacturer must be able to sell enough airplanes to stay in business and make some money.