Bigger sound with Omnidirectional Party Sound for the best parties ever – With Omnidirectional Party Sound, created by High-efficiency Tweeters and High-efficiency Midrange, your music will reach further and wider, on both sides of the unit. Four High-efficiency Tweeters fill your venue with sound – The four upward-facing High-efficiency Tweeters that uses horn tweeters, two on the front and two on the back of the unit, expand the sound stage and increase sound pressure level upward, spreading the sound around whatever venue you choose. High-efficiency Midrange for better vocals – High-efficiency Midrange that uses mid horn speakers on the front and back distributes sound with improved clarity and sound pressure for the vital midrange frequencies. With One Year Warranty