A Ford F-250 SPL (Sound Pressure Level) truck equipped with nine Pioneer 12-inch subwoofers reached an incredibly noisy 173.3 Decibels and set a world record in its category at the 2003 dB Drag Finals ...
Morgan Hill , CA ( August 5, 2005 ) - Velodyne Acoustics, Inc., the world's leading manufacturer of powered subwoofers for home-theater and consumer audio, has announced the introduction of the SPL-R ...