JBL 10" PROFESSIONAL 400 WATTS BOOKSHELF KARAOKE SPEAKER SYSTEM JBL 10" Shield Woofer, the best known name in professional karaoke around the world with unprecedented sound quality and power. The exceptional quality and smoothness of sound over the entire audible range ensure unprecedented excitement. Features; Type: 2-way, 3-speaker Bass-Reflex Type Attractive three-dimensional curved design 10" Sheilded Woofer with high-temperature voice coils 3" Dual Cone Tweeters with individual high-frequency trim controls Frequency Response: 40Hz-20kHz Straight line signal path crossover for the cleanest signal possible Low disffraction, IsoPower( tm) Dimension: 13 3/ 16" W x 20 7/ 8" H x 9 5/ 8" D Min. Input: 150 Watts Max. Input: 400 Watts