JBL S38II 3-Way 8-Mirror Image Bookshelf Speakers (Black Maple) (Discontinued by Manufacturer) 3-way, 8-inch, vertical/horizontal, mirror-image bookshelf speaker with MDF enclosure Maximum recommended amplifier power: 175 Watts High-frequency driver: 1" pure-titanium dome with EOS waveguide Midrange driver: 4" PolyPlas cone; PolyPlas cone woofer features traditional JBL engineering Low-frequency driver: 8" PolyPlas cone; shielded components allow placement near video monitors