On most airlines, if you live in the city from which the flight is departing, you will not be eligible for compensation. To avoid the hassle of dealing with a flight cancellation (or delay), try booking flights that depart early in the day. That way, if your flight is cancelled, you will have more options for being rebooked on a later flight.
How Passive Radiators Work. A passive radiator speaker is a simple device that increases the low frequency response (Bass) of a speaker system*. When used properly, a passive radiator can give a speaker system the comparable performance characteristics of a much larger system; that's the point, in a nutshell.
Sometimes you'll find that a receiver or amplifier does not have the LFE subwoofer output. Or it might be that the subwoofer doesn't have the LFE input. Instead, the subwoofer might have right and left (R and L) stereo RCA connectors. Or they could be spring clips like you'd see on the back of standard speakers.