Standard Warranty Standard Warranty The new shape of sound! The Akoustos Y4 system will turn your whole room into a Sweet Spot! Richie Furay Rock & Roll Hall of Fame member BuffaloSpringfield "When you listen to music with my good friend Neil Young’s PONO player on an Akoustos Y4, you are in for a real treat.” They sound as good as they look! The advantages of electrostatic speaker technology is well known. 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!