There are at least 3 bands name the acoustics. 1. The Acoustics are a new-wave-garage indie four piece from Japan. Formed in 2011, after a name change from The Arashi - members are Yeahful (Vocal, Guitar), Jun (Guitar), Tanaka (Bass) and Kozul (Drums). official.
http://theacoustics.jimdo.com/ 2. Inspired by The Beatles and The Who, this independent band performs in the underground live house circuit in Tokyo. The Acoustics rock-pop sound is reminiscent of their idols' earlier works.

Read more about The Acoustics on Last.fm.