IASCA in Japan is quite popular on the sound quality front through an organization named JCACA (Japan Car Audio Competition Association) Directed by President Harry Omae, JCACA consists of industry members from all across the country who share the passion for car audio and the growth of the industry in their country.
IASCA Japan is in its 15th year and although having suffered a setback after the devastating tsunami and earthquake that ravaged the country, Japan has once again embraced the car audio culture and is growing.
For more information on IASCA Japan and JCACA, visit their website at http://www.iasca.jp/