Standard Warranty Standard Warranty The new shape of sound! The Akoustos Y4 system will turn your whole room into a Sweet Spot! David Spero awardwinningmanager for Joe Walsh, Dickie Betts and Cat Stevens "With Involve and Sweet Spot you will rediscover the music that you have been missing all along!" Hear sound the way it wasoriginallyrecorded! Real surround sound begins here, and ends with Involve!