Klipsch iGroove HG iPod Speaker System – Review J. Frank Wilson on Oct 8, 2007 (Updated: Dec 11, 2018)The Klipsch iGroove HG iPod speaker system comes with two 2.5 inch bass woofers and one 1-inch MicroTractrix horn-loaded tweeters for the high end. Read MoreKlipsch iGroove HG iPod Speaker System – Review