Ford F-150 drivers say their vehicle speakers are making weird noises that sound like a 'static boom,' as the carmaker promises to fix the issue

• Ford F-150 drivers say they're hearing mysterious crackling noises from the truck's speakers. 
• Online forums are flooded with drivers complaining about the issue, which is likely an amplifier problem.
• It poses a fresh challenge for America's most popular pickup, with Ford recently recalling 870,000 vehicles.

Drivers of Ford's F-150 pickup trucks say they're facing loud bursts of static and sudden noises over their speakers, according to a report from The Wall Street Journal.