IASCA
Encyclopedia
International Auto Sound Challenge Association (IASCA) is a worldwide association that promotes car audio
championships. These have separate categories for hi-fi sound quality (SQ IASCA) and for maximum bass dB
(IASCA dB League).
Car audio
Car audio/video , auto radio, mobile audio, 12-volt and other terms are used to describe the sound or video system fitted in an automobile. While 12-volt audio and video systems are also used, marketed, or manufactured for marine, aviation, and buses, this article focuses on cars as the most common...
championships. These have separate categories for hi-fi sound quality (SQ IASCA) and for maximum bass dB
Decibel
The decibel is a logarithmic unit that indicates the ratio of a physical quantity relative to a specified or implied reference level. A ratio in decibels is ten times the logarithm to base 10 of the ratio of two power quantities...
(IASCA dB League).